HSA Natural Science Mega Mock Test : 2022 [കലാശക്കൊട്ട് ]
🛑 Questions : 332
🛑 Time : NO LIMIT
🛑 സംശയങ്ങൾക്ക് ടെലെഗ്രാമിൽ ബന്ധപ്പെടുക Link
🛑 വിജയാശംസകൾ - TEAM PSC TALKZ
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1) In plant succession when climax community is reached,the net productivity
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2) The testes are situated ____ the abdominal cavity within a pouch called ____. [NCERT PG NO 43]
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3) Abiotic components refer to ______?
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4) Biomolecules are present in certain concentrations expressed as______?
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5) Select the correct option of haploid cells from the following groups :
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6) In the primary structure of the protein the left end is represented by ____?
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7) The nature of climax community ultimately depends on ?
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8) A food web __?
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9) Maize grain is a fruit known as
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10) Zoospores are [ NCERT PG NO 7]
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11) Chitin is a ..........
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Decomposers like fungi and bacteria are : i. Autotrophs ii. Heterotrophs
12) iii. Saprotrophs iv. Chemoautotrophs Choose the correct answer : ___?
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13) Most critical event in sexual reproduction is [NCERT PG NO 14]
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14) The diaphragm is a rubber dome shaped structure and stops the sperms from entering into [NCERT PG NO 60]
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15) ആത്മകഥക്ക് ഒരു ആമുഖം ഇതു ആരുടെ ആത്മകഥയാണ്?
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16) detritus food chain starts from ?
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17) Polar nuclei are situated in the central cell - [NCERT]
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18) The placenta is attached to the developing seed near the
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19) Maize grain is a fruit known as ?
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20) The basic categories of ecosystem are ___?
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21) In a pond ecosystem, the autotrophic components are
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22) Energy storage at the consumer level is called
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23) The rate of biomass production is
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24) Non protein constituent which bound to enzymes catalytically more active are called ?
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25) The culturing of cells in liquid agitated medium is called ?
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(a) Pioneer community is the final biotic community that develops in an area (b) Pioneer community is soon replaced by the next seral community during on going succession
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27) The seminiferous tubules of the testis open into the vasa efferentia through [NCERT PG NO 43]
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28) In which of the following pollen grains have long ribbon like structure [NCERT PG NO 29]
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29) Which of the following contraceptive device is inserted by the doctor or trained nurse in the uterus through the vagina? [NCERT PG NO 60]
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30) No new follicles develop in the luteal phase of the menstrual cycle because [NEET 2019]
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31) Out of the total propsed cost of various ecosystem services, cost of climate regulations and habitat for wildlife are
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32) Select incorrect statements w.r.t anther[NCERT PG NO 21]
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33) A natural method of contraception, periodic abstinence is [NCERT PG 59]
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34) Blood consists of ?
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35) Which of the following is not a producer ?
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36) All are bisexual/monoecious species except [NCERT PG NO 12 , FIG 1.6]
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37) Biosynthetic pathways is also called _____?
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38) Which of the following depicts the correct pathway of transport of sperms [NEET 2016]
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39) What is not correct with respect to testis in adults [NCERT]
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40) detritus food chain starts from
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41) In ecological Pyramid ,the base always represents the ....... and the apex represents.....
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42) Which of the following plant is used to extract the blue dye ?
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43) Erythroblastosis fortalis can happen if mother and father are respectively ?
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44) Pollen grains are well preserved as fossils because of presence of [NCERT PG NO 23]
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45) Pyramid of numbers is : _____?
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46) Nearly ______________ MTPs are performed in a year all of the world which accounts to _________ of the total number of conceived pregnancies in a year [NCERT PG NO 62]
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47) Biotic components refer to
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48) The lengthwise running groove on another which separate theca is called
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49) The cofactor that associates with the apoenzyme only during course of Catalysis are called ______ ?
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50) What are the various aspects of reproduction covered by WHO? [NCERT PG NO 57]
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51) Cybrids are
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52) The relation between producers and consumers in an ecosystem can be graphically represented in the form of a pyramid called ____?
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53) In 60% Of the angiosperms shed their pollens at the [NCERT PG NO 23]
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54) All are plant derived alkaloids except ?
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55) Conversion of fibrinogen is catalyzed by ?
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56) The relation between producers and consumers in an ecosystem can be graphically represented in the form of a pyramid called
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57) What is the amount of average price tag on nature's life support services determined by Robert Constanza and his colleagues__?
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58) An example of protein with quaternary structure is ____ ?
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59) An individual transitional communities in ecological succession are termed as
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60) What do you mean by dental formula?
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61) In ecological Pyramid ,the base always represents the ....... and the apex represents..... ?
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62) Roots developed from the parts of the plants other than radicle are called
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63) Hepato-pancreatic duct opens into the duodenum and carries ?
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64) Biologists describes the protein structure at ________?
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65) The ovaries are located [ NCERT PG NO 44]
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66) Primarily Involve in the defense mechanism of the body ?
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67) Which of the following ecosystems is more productive in terms of net primary production ?
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In the five kingdom classification, Chlamydomonas and Chlorella have been included in?
(a) protista (b) algae (c) plantae (d) monera
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69) The two components of an ecosystem are ?
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70) The offspring produced through which of the following process are not exactly similar to their parents ?
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71) നാലാമത്തെ ക്രോമസോമിലെ ഒരു ജീ നിൻറെ തകരാറു മൂലം ഉണ്ടാകുന്ന രോഗം?
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72) Contraction of right ventricle pumps blood into ?
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73) Heart beat can be initiated by ?
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74) In humans, the sex of the baby is determined:
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75) Primary productivity depends upon____?
A] Availability of nutrients B] Photosynthetic capacity of plants C] Both a& b D] None of these
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76) Enzyme , Carbonic anhydrase is present in ____ ?
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77) Elicitors are molecules that ...........?
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78) Which plant do not show clear cut vegetative, reproductive and senescent phase [NCERT PG NO 9]
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79) Which of the following sexually transmitted diseases is not completely curable ? [NEET 2019]
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80) In a pond ecosystem, the autotrophic components are ?
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81) Apex of heart is ?
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Endospermic seeds are found in ? 1 -Barley 2- Castor 3- Pea 4- Both a & b
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83) Stratification is more pronounced in ____?
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84) find the correct descending order of percentage proportion of leukocyte in the human blood?
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85) പാലിയം സത്യാഗ്രഹം ആരംഭിച്ച വർഷം?
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86) Enzymes exhibit which structure of proteins for biological activities... ?
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87) Platelets are ?
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88) Pollination by water is limited to about [NCERT PG NO 29]
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89) Plant biotechnology involves ?
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90) Which of the following statement is incorrect ?
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91) A detritivore is___?
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92) Open circulatory system is present in ?
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93) Vertical distribution of different species occupying different levels in a biotic community is known as
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94) The rate of biomass production is ___?
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95) Atretic follicles are found in the
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96) All are plant derived elicitors except?
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97) കോക്ലിയക്ക് എത്ര അറകൾ ഉണ്ട്?
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98) Humans are ____ and ____ organisms. [ NCERT PG NO 42]
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99) The blood returning to the heart from lungs via pulmonary vein has more ?
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100) Inability to conceive or produce children even after_______ of unprotected sexual cohabitation is called infertility .[NCERT SUMMARY]
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Five kingdom system of classification suggested by R.H. Whittaker is not based on ?
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102) Edible part of apple and pear is___?
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103) An inverted pyramid of biomass can be found in which ecosystem
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104) Immobilized cell bioreactors are based on........
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105) According to the type of attachment, teeth can be ?
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106) Confirmatory test for STDs is [NCERT]
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107) A secondary metabolite that is alkaloid in nature is _______ ?
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108) Who play an important role in guiding the pollen tubes to enter the embryo sac [NCERT PG NO 27]
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109) മദ്യം മസ്തിഷ്കത്തിലെ ഏത് നാഡീയ പ്രേക്ഷകത്തിന്റെ ഉൽപാദനത്തെയാണ് ത്വരിതപ്പെടുത്തുന്നത്
GABA( ഗാമ അമിനോ ബ്യൂട്ടിറിക് ആസിഡ് )
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In which kingdom would you classify the archaea and nitrogen-fixing organisms, if the five kingdom system of classification is used ?
(a) Plantae (b) Fungi (c) Protista (d) Monera
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111) Chordae tendineae are found in ?
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112) When the heart stop beating condition is called ?
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113) Vertical distribution of different species occupying different levels in a biotic community is known as ?
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114) Every 500 ml of oxygenated blood can deliver around _________ of O2 to the tissue ?
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115) Energy for the detritus food chain comes from
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116) Which of the following is best suited method for production of virus free plants?
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117) The volume of blood that enters into the aorta with each ventricular systole is called ?
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118) In an embryo sac of anatropous ovule , cells present at chalazal end are called [NCERT PG NO 27]
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119) Which of the following is non-medicated IUDs [NCERT PG NO 60]
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120) Phase of menstrual cycle in human that lasts for 7-8 days is
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121) Region outside the seminiferous tubule is called
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122) Pyramid of numbers in a pond ecosystem is : ___?
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123) A detritivore is
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124) Endosperm a product of double fertilisation in angiosperms is absent the seeds of
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125) Climate community is
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126) Many pulses of daily use belong to one of the families below___?
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127) Most abundant protein in plants is ..........
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128) In mammals, veins differs from arteries in having ?
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129) Nearly 70% CO2 absorbed by blood will be transported to the lungs ?
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130) An individual transitional communities in ecological succession are termed as ?
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131) The percentage of water and protein in a straw coloured viscous fluid is
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132) What is true about ecosystem
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133) രണ്ട് ശ്വാസകോശങ്ങളുടെയും വായു അറകളുടെ ആകെ പ്രതല വിസ്തീർണ്ണം ഏകദേശം എത്ര ചതുരശ്ര മീറ്റർ ആണ്??
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134) During intake of food, what prevents the entry of food into the glottis ?
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135) How many sperms are formed from a secondary spermatocyte?
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136) The T-wave in an ECG represents ?
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137) Seminiferous tubules contain __________ for providing nutrition to sperm cells. [NCERT PG NO 43]
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138) Which of the following is the most stable ecosystem ?
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139) Each Ovary is connected to the pelvic wall and the uterus by: [NCERT PG NO 44 ]
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140) Protein with catalytic power is named ______?
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141) Release of sperm from seminiferous tubule is known as [NCERT PG NO 47]
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142) An important criterion for modern day classification is ?
(a) resemblances in morphology (b) anatomical and physiological traits (c) breeding habits (d) presence or absence of notochord
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143) Blood group which do not contain any antigen on its surface ?
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In five kingdom system, the main basis of classification is ?
(a) structure of nucleus (b) mode of nutrition (c) structure of cell wall (d) asexual reproduction.
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145) Proximal end of the filament is attached to the [NCERT PG NO 21]
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146) എവിടെയാണ് പി കൃഷ്ണപിള്ള ജനിച്ചത്?
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147) When does plant take decisions to flower? [NCERT PG NO 20]
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148) ________________ Makes the uterus unsuitable for implantation and the cervix hostile to ____________
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149) The process which refers to development of embryo is called ?
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150) What is the structure of the ecosystem is comprised of ?
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151) Out of the total propsed cost of various ecosystem services, cost of climate regulations and habitat for wildlife are ?
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152) Which of the following is an example of man made ecosystem ?
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153) What is the amount of average price tag on nature's life support services determined by Robert Constanza and his colleagues
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154) An ecosystem resists change because it is in a state of : ___?
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155) In which of the following, both autogamy and geitonogamy are prevented
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156) Opening of the right ventricle into Pulmonary artery and that of left ventricle into the aorta is provided with ?
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157) Strobilanthus kunthiana is found in [NCERT PG NO 9]
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158) Protein is a ..............
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159) The bond between phosphate and hydroxyl group of sugar is called______?
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160) Type of protein found in plasma is?
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161) In adult, each testis bears ____ compartments called testicular lobules. [NCERT PG NO 43]
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162) Embryo with more than 8 blastomeres formed due to in vitro fertilisation is transferred into [NCERT PG NO 64]
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163) Wider part of the oviduct is [NCERT PG NO 46]
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164) Trophic levels are formed by :___?
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165) Which one of the following statements is correct with respect to immunity ?
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166) In an ecosystem, organism occupies a specific place in a food chain called ?
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Which of the following are found in extreme saline conditions?
(a) Eubacteria (b) Cyanobacteria (c) Mycobacteria (d) Archaebacteria
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168) In monerans & protistan , the parents cell divides by [NCERT PAGE NO 5]
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169) Which one of the following groups includes sexually transmitted infections caused by virus only ?
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170) In the heart of mammals, the bicuspid valve (mitral valve) is situated between ?
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171) The largest part of the fallopian tube is [NCERT PG NO 44]
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172) Patterns and designs of exine of pollen grains are Characteristic feature of [NCERT PG NO 23]
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173) Tricuspid and bicuspid or mitral valve is present in between respectively ?
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174) To achieve three celled stage in angiosperm which cell of pollen grain divide to form two male gametes [NCERT PG NO 23]
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175) Enzymes can have ?
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177) The outermost and innermost wall layers of microsporangium in an anther are respectively [NCERT PG NO 21]
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178) lymph is an important carrier for the transport of ?
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179) Oxygenated blood is carried by
(OR)
Blood vessels carrying blood from lungs to heart
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180) Which of the following structure is absolute necessary for many biological activities of the protein ?
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181) Enzyme Carbonic anhydrase is present in _____ ?
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182) What will be the ploidy of nucellus , MMC, Functional megaspore & female gametophyte respectively [NCERT PG NO 26]
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183) ശരിയായത് ഏത് ?
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184) Which of the following is an example of man made ecosystem
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185) During parturition, the fetal ejection reflex triggers the release of:
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186) Which of the following is not a producer
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187) Roots developed from the parts of the plants other than radicle are called___?
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188) The term ecosystem was coined by __?
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190) Which is the hormonal method of birth control
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191) Venation is term used to describe the pattern of arrangement of ?
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192) Adult hemoglobin consists of four subunit of these are identical to each other that are the 4 units ______?
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193) It is an essential event in sexual reproduction .[NCERT PG NO 17, SUMMARY]
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194) In an ecosystem, organism occupies a specific place in a food chain called
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195) Lecithin is a ..............
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196) Which of following structure of Starch can Hold I2 molecules and gives blue colour ?
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197) Sepals also remain attached in plant after fertilisation only in [NCERT PG NO 16]
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198) Integuments encircle the nucellus except at the [NCERT PG NO 25]
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199) The term ecosystem was coined by
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200) What is true about ecosystem ___?
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201) In majority of angiosperm [NEET 2016]
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202) Which cell secrete testicular hormones [NCERT PG NO 43]
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203) How many maximum molecules of O2 will be carry by 4 haemoglobin molecule ?
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Match the organisms in column-I with habitats in column-II.
Column-I Column-II A. Halophiles (i) Hot springs B. Thermoacidophiles (ii) Aquatic environment C. Methanogens (iii) Guts of ruminants D. Cyanobacteria (iv) Salty area Select the correct answer from the options given below.
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205) In a polysaccharide Chain Right end is called the ?
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206) Cellulose is a polymer of ?
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207) Seminal plasma is rich in which sugar? [NCERT PG NO 44]
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208) Heart is derived from ?
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209) Endospermic seeds are found in
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210) Batch cultures are type of suspension culture where ?
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211) Total number of incisors, canines, premolars and molars in an adult man is ?
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212) Example of wind pollination is [NCERT PG NO 29]
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213) The primary female sex organs are located
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214) Plasma without clotting factor is called ?
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215) Which Chambers of the heart that has thickest muscular wall ?
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216) The process of breaking down complex organic matter into inorganic substances like CO2 water and nutrient is called ?
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217) Many pulses of daily use belong to one of the families below
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218) Amniocentesis is used to test for the presence of certain genetic disorders except [NCERT PG NO 58]
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219) Each cell of sporogenous tissue is a [NCERT PG NO 22]
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220) Haemoglobin is a ___________ coloured ________ containing pigment ?
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221) Nature of waves in the heart is (CPMT) ?
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BGA (blue green algae) are included in which of the following groups?
(a) Bryophytes (b) Prokaryotes (c) Protista (d) Fungi
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223) which of the following birth control measures can be considered as the most effective and reliable ?
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224) In ICSI , sperm is directly injected the__________ [NCERT PG NO 64]
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225) Syngenesious condition of stamen is found in family?
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226) Oxygen Hb dissociation curve is ?
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227) Ovarian stroma is enclosed by a thin ____. [NCERT PG NO 44]
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228) External fertilisation occurs in
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229) അബ്കാരി നിയമപ്രകാരം താഴെപ്പറയുന്നവയിൽ ശരിയായ ജോഡി ഏതെന്ന് കണ്ടെത്തുക
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230) Which of the following is inorganic co factor ?
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231) The other term for heart attack is ?
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232) Which one of the following is not a functional unit of an ecosystem ?
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233) Most commonly used body fluid ?
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234) The mineral distribution in tissue fluid is similar to that in?
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235) econdary productivity is rate of formation of new organic matter by ___?
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236) The placenta is attached to the developing seed near the?
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237) The primary function of large intestine in man is ?
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238) Syngenesious condition of stamen is found in family ?
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239) Energy storage at the consumer level is called __?
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240) ബാസൽ മിഷൻകാർ ഓട് ഫാക്ടറി സ്ഥാപിച്ചത് എവിടെ?
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241) Difference between ZIFT and IUT lies in the
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242) The number of Chambers in the heart of fishes amphibian and birds ?
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243) In plant succession when climax community is reached,the net productivity ?
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244) Which of the following animal is bisexual ?
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245) All three wall layers perform the function of protection & help in dehiscence of anther to release pollen except [NCERT PG NO 21]
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246) How many % of Blood is plasma?
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247) The entire sequence of communities that successively changes in a given area are called ?
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248) Inulin is a Polymer of ?
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249)
Flowers require synchrony in pollen release and stigma receptivity in [NCERT PG NO 27]
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250) Edible part of apple and pear is
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251) Systemic heart refers to ?
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252) Maximum nutritional diversity is found in the group ?
(a) fungi (b) animalia (c) monera (d) plantae
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253) Which of the following ecosystems is more productive in terms of net primary production
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254) Which light range is least effective in photosynthesis ?
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256) In India, marriageable age for boys is ____ and girls is ____ respectively. [NCERT]
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257) Which of the following is correct for standard ECG ?
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258) Which neural signal decreases the heart rate and thereby the cardiac output ?
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259) The mucosal layer in the stomach forms irregular folds known as ?
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260) Which one of the following is not a functional unit of an ecosystem
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261) Apporoxima 97% O2 absorbed by blood is transported to the body tissue ?
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262) Primary productivity depends upon
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263) in a living body coagulation of blood in the blood vessel is prevented by ?
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264) (a) Pioneer community is the final biotic community that develops in an area
(b) Pioneer community is soon replaced by the next seral community during on going succession
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265) Who occupies the centre of each microsporangia when the anther is young [NCERT PG NO 21]
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In the five kingdom system of classification, which single kingdom out of the following can include blue-green algae, nitrogen fixing bacteria and methanogenic archaebacteria?
(a) Plantae (b) Protista (c) Monera (d) Fungi
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267) Endosperm a product of double fertilisation in angiosperms is absent the seeds of____?
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268) Estrous cycle is found in
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269) Within the heart AV node is found at ?
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270) The ovarian stroma is divided into zones [NCERT PG NO 44]
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271) Select incorrect statements regarding water hyacinth. [ NCERT PG NO 8]
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272) Encysted amoeba divides by [NCERT PG NO 6]
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273) Which constitute the female accessory ducts [NCERT PG NO 45]
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274) മോഹ്സ് സ്കെയിൽ പ്രകാരം വിരലിലെ നഖത്തിൻ്റെ കടുപ്പം എത്ര ?
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275) It is the vital link that ensure continuity of species. [NCERT PG NO 15]
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276) Which one of the following is not the function of placenta?
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277) Primary production is ______?
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278) Which of the following event is post fertilisation event ?
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279) Select what is not true of intestinal villi among the following ?
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280) How many microsporangia are located in the corners of a typical bilobed anther of angiosperm ? [NCERT], [KCET 2021]
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281) In the tropical rain forest, most of the energy in the ecosystem flows through : ___?
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282) In a biotic community, the primary consumers in the ecosystem are __?
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283) In a biotic community, the primary consumers in the ecosystem are
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286) Which is a major factor which could affect the binding of CO2 with Hb ?
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287) Correct statement about Leydig cells [NCERT PG NO 43]
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288) Liver is the largest gland and is associated with various functions, choose one which is not correct. ?
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289) The external opening of urethra is called [NCERT PG NO 43]
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290) The primary oocyte completes the first meiotic division [NCERT PG NO 49]
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291) In ecological succession, the communities in near equilibrium with the environment, are called ?
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292) Climate community is __?
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293) In angiosperm , Over _______ pollen grains shed at 2 celled stage & _______ pollen grains shed at 3 celled stage . [NCERT PG NO 23,]
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294) The nature of climax community ultimately depends on
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295) In the food chain, which is most abundant in tropical rain forest and is a major conduit for energy flow ?
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296) Leucocytes are colorless due to ?
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The modification of exogenous compounds by plant cells is called a) Biotransformation
297) b) bioconversion
c) both a and b
d) biophytomodification
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298) Building block of nucleic acid is ...........
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299) Artificial seeds are.........
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300) Pollen grains are mature when [NCERT PG NO 23]
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301) Clot formed by a network of the thread head injury site is composed of ?
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302) In an ecosystem, the rate of production of organic matter during photosynthesis is termed as __?
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303) Which of the following plant is used to extract the blue dye
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304) ജന്തു വൈവിധ്യം ഏറ്റവും കൂടുതൽ കാണപ്പെടുന്ന വനങ്ങളുടെ പ്രത്യേകത ഏത് ?
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305) Binding of CO2 with Hb more in tissue when ?
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306) Which is not a Cu releasing IUDs [NCERT PG NO 60]
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307) Four chambered heart is not present in ?
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308) Venation is term used to describe the pattern of arrangement of
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309) The most common solidifying agent used in micropropagation is ............?
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310) Blood group do not contain any antibody in its plasma ?
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311) if husband is Rh+ when wife is Rh- negative then................?
1) No problem with first child 2) Second child would have anaemia ( erythroblastosis foetalis ) 3) Second child would be normal 4) Both 1 and 2
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312) The population of India at the time of independence was about
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313) Human heart is ?
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314) When more than 1 pistil fused together , it is said to be [NCERT PG NO 24]
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315) The two components of an ecosystem are
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316) Energy for the detritus food chain comes from ?
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317) Inside the mature seed, it is the progenitor of the next generation .[NCERT PG NO 17]
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318) Employment of hereditary principles in the improvement of human race is ?
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319) Which is largest among the given lymphocytes?
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320) During systole of heart ?
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321) What is total diastolic time of ventricle in cardiac cycle ?
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322) The entire sequence of communities that successively changes in a given area are called
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323) Which one of the following animals may occupy more than one trophic level in the same ecosystem at the same time ?
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324) A food web
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325) An inverted pyramid of biomass can be found in which ecosystem ?
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326) Isogametes of [NCERT PG NO 10, FIG 1.5]
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327) Anther is generally
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328) In in birds and mammals the oxygenated and deoxygenated blood is received by?
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329) Centre of each microsporangium is occupied by [NCERT PG NO 21]
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330) Biotic components refer to___?
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331) Exchange of gases nutrient sector between the fluid and the cells take place through ?
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332) The distal end of the filament is attached to [NCERT BASED]
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