HSA Natural Science Model Exam : 9

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HSA Natural Science Model Exam : 9

HSA Model Exam :NATURAL SCIENCE

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HSA Natural Science Model Exam : 9 ( FEB 9 WEDNESDAY )

🛑 Questions : 100

🛑 Time : 1 Hour 30 Minutes

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1 / 100

1) When does a concentration gradient exists ?

A) When solute concentration are low

B) When members rupture

C) When solute concentration differ on either side of a membrane

D) When solute concentration is high

2 / 100

2) What would be Ψp of a fully flaccid cell ?

A) 0

B) -3

C) +3

D) +2

3 / 100

3) Bacillus thuringiensis forms protein crystals which contain insecticidal protein. This protein___?

A) is coded by several genes including the gene cry

B) does not kill the carrier bacterium which is itself resistant to this toxin.

C) binds with epithelial cells of midgut of the insect pest ultimately killing it

D) is activated by acid pH of the foregut of the insect pest

4 / 100

Decomposers like fungi and bacteria are :
i. Autotrophs ii. Heterotrophs

4) iii. Saprotrophs iv. Chemoautotrophs Choose the correct answer : ___?

A) i and iii

B) i and ii

C) ii and iii

D) i and iv

5 / 100

5) Venation is term used to describe the pattern of arrangement of ?

A) Veins and veinlets in a lamina

B) Formal organs

C) Flower in inflorescence

D) All of them

6 / 100

6) യാതന അനുഭവിക്കുന്നവരുടെ വിഭാഗത്തിൽനിന്ന് തിരുവിതാംകൂർ ലെജിസ്ലേറ്റീവ് അസംബ്ലിയിലേക്ക് നാമനിർദേശം ചെയ്യപ്പെട്ട ആദ്യ വ്യക്തി?

A) തൈക്കാട് അയ്യ

B) ശ്രീനാരായണഗുരു

C) പണ്ഡിറ്റ് കറുപ്പൻ

D) അയ്യങ്കാളി

7 / 100

7) The largest part of the fallopian tube is [NCERT PG NO 44]

A) Isthmus

B) Ampulla

C) Cervical canal

D) Infundibulum

8 / 100

8) Which one of the following techniques made it possible to genetically engineer living organisms?

A) Heavier isotope labelling

B) Recombinant DNA techniques

C) Hybridization

D) X-ray diffraction

9 / 100

9) In the food chain, which is most abundant in tropical rain forest and is a major conduit for energy flow ?

A) Composed of small chain of detritivores only.

B) Source of energy is detritus.

C) Is also called auxiliary food chain.

D) Is never connected to GFC.

10 / 100

10) Endosperm a product of double fertilisation in angiosperms is absent the seeds of____?

A) Orchids

B) Coconut

C) Maize

D) Casto

11 / 100

11) വൈക്കം സത്യാഗ്രഹികൾക്ക് സൗജന്യ ഭക്ഷണശാല തുടർന്ന് സഹായം നൽകിയത് ആര്?

A) കാശ്മീരികൾ

B) അകാലികൾ

C) ബംഗാളികൾ

D) ആസാമീസ്

12 / 100

12) Maize grain is a fruit known as ?

A) Cypsela

B) Achene

C) Legume

D) Caryopsis

13 / 100

13) In in birds and mammals the oxygenated and deoxygenated blood is received by?

A) Left atria and right ventricle

B) Left and right atria

C) Left atria and left ventricle

D) Left and right ventricles

14 / 100

14) Two or more aspects are understood in ?

A) Extended abstract level

B) Multistructural level

C) Unistructural lever

D) Rational level

15 / 100

15) പ്രഥമ ഇഎംഎസ് മന്ത്രിസഭയിൽ ഹരിജനക്ഷേമം ത്തിന്റെ യും തദ്ദേശസ്വയംഭരണത്തിന്റെയും ചുമതല വഹിച്ച വ്യക്തി?

A) ജോസഫ് മുണ്ടശ്ശേരി

B) ഡോ എ ആർ മേനോൻ

C) ചാത്തൻ മാസ്റ്റർ

D) കെ ആർ ഗൗരിയമ്മ

16 / 100

16) Exchange of gases nutrient sector between the fluid and the cells take place through ?

A) RBC

B) WBC

C) Interstitial fluid

D) Serum

17 / 100

17) Which is not the focal point of the triangular process of teaching ?

A) Teacher

B) contents

C) Teaching method

D) Pupil

18 / 100

18)

ഇന്ത്യൻ ഭരണഘടന ഭേദഗതി ചെയ്യുന്നതിനുള്ള രീതികൾ താഴെ പറയുന്നവയിൽ ഏതൊക്കെ ആണ്?
1. പാർലമെന്റിന്റെ കേവല ഭൂരിപക്ഷതോടെയുള്ള ഭേദഗതി
2. പാർലമെന്റിന്റെ മൂന്നിൽ രണ്ട് ഭൂരിപക്ഷതോടെയുള്ള ഭേദഗതി
3. പാർലമെന്റിന്റെ പ്രത്യേക ഭൂരിപക്ഷതോടെയുള്ള ഭേദഗതി

A) രണ്ടു മാത്രം

B) ഒന്നുമാത്രം

C) ഒന്നും രണ്ടും മാത്രം

D) ഇവ എല്ലാം ശരിയാണ്

19 / 100

19) 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

A) 1 & 2

B) 2 Only

C) 3 & 2

D) 1 Only

20 / 100

20) Which is largest among the given lymphocytes?

A) Eosinophils

B) Basophils

C) Lymphocytes

D) Monocytes

21 / 100

21) The rules of presenting the contents to make them easy are called ?

A) Techniques of teaching

B) Maxims of teaching

C) Teaching strategies

D) Method of teaching

22 / 100

22) Four chambered heart is not present in ?

A) Crocodile

B) Amphibians

C) Mammals

D) Birds

23 / 100

23) Plasma without clotting factor is called ?

A) Serum

B) Semen

C) Tissue

D) Lymph

24 / 100

24) Conversion of fibrinogen is catalyzed by ?

A) All of the above

B) Thromboplastin

C) Prothrombin

D) Thrombin

25 / 100

25) Open circulatory system is present in ?

A) Arthropod and molluscs

B) Chordates

C) Humans

D) Annelids

26 / 100

26) SOLO stands for ..........

A) Structure of the observed learning outcome

B) System of the observed learning output

C) System of the observed learning outcome

D) structure of the observed learning output

27 / 100

27) Syngenesious condition of stamen is found in family ?

A) Liliaceae

B) Malvaceae

C) Asteraceae

D) Cruciferae

28 / 100

28) All three wall layers perform the function of protection & help in dehiscence of anther to release pollen except [NCERT PG NO 21]

A) Endothecium

B) Epidermis

C) Tapetum

D) Middle layers

29 / 100

29) Genetic engineering is possible, because ___?

A) we can see DNA by electron microscope

B) we can cut DNA at specific sites by endonucleases like DNase I

C) restriction endonucleases purified from bacteria can be used in vitro

D) the phenomenon of transduction in bacteria is well understood

30 / 100

30) In teaching experienced members guide the immature one’s for.............

A) Spending time

B) Adjustment of life

C) Quality of life

D) Qualification

31 / 100

31) find the correct descending order of percentage proportion of leukocyte in the human blood?

A) Neutrophils >> basophils >> lymphocytes >>Eosinophils monocyte

B) Lymphocytes >> Acidophils >> basophils >> Neutrophils >>Monocytes

C) Monocytes >> Neutrophils >> lymphocytes >> Acidophils >> basophils

D) Neutrophils >> lymphocytes >> Monocytes >> Acidophils >> basophils

32 / 100

32) ഗാർഹിക ഉപഭോക്താക്കൾക്ക് സോളാർ പ്ലാന്റ് സ്ഥാപിക്കുന്നതിനായുള്ള അനെർട്ട് പദ്ധതി?

A) സോളാർ സ്റ്റാർട്ട്‌

B) സൂര്യ തേജസ്‌

C) സൗര തേജസ്‌

D) ജ്യോതിസ്സ്

33 / 100

33) 2022 ൽ കായികമേഖലയിൽ പത്മശ്രീ പുരസ്കാരത്തിന് അർഹനായത്?

A) ശിവ ശങ്കർ

B) രാഘവ കുറുപ്പ്

C) വാസുദേവൻ

D) ശങ്കരനാരായണൻ മേനോൻ

34 / 100

34) in a living body coagulation of blood in the blood vessel is prevented by ?

A) Prothrombin

B) Heparin

C) Plasminogen and Calcium together

D) Prothrombin and Calcium together

35 / 100

35) In India, marriageable age for boys is ____ and girls is ____ respectively. [NCERT]

A) 15, 18 years

B) 15, 14 years

C) 21, 18 years

D) 18, 21 years

36 / 100

36) Which of the following statement is incorrect ?

A) Asexual reproduction is a rapid mode of reproduction

B) Embryogenesis involves cell division and cell differentiation

C) The life spans of organisms are correlated with their sizes

D) Animals are either unisexual or bisexual

37 / 100

37) Seeds when soaked in water, they imbibe it because of ___?

A) Water potential gradient between the seed coat and water

B) DPD of seed is very much low

C) OP of water is high

D) O. P. inside the seed is low

38 / 100

38) 2021 വേൾഡ് ഗെയിംസ് അത്‌ലറ്റ് ഓഫ് ദി ഇയർ പുരസ്കാരം നേടിയത് ?

A) നീരജ് ചോപ്ര

B) പി ആർ ശ്രീജേഷ്

C) അഞ്ജു ബോബി ജോർജ്

D) റാണി റാംപാൽ

39 / 100

39) The placenta is attached to the developing seed near the?

A) Chalaza

B) Micropyle

C) Testa

D) Hilum

40 / 100

40) Which of the following plant is used to extract the blue dye ?

A) Indigofera

B) Cassia

C) Trifolium

D) Lupin

41 / 100

41) Edible part of apple and pear is___?

A) Mesocarp

B) Endocarp

C) Epicarp

D) Thalamus

42 / 100

42) Leucocytes are colorless due to ?

A) Presence of Ca+2 ions

B) Presence of white colour pigments

C) Lack of hemoglobin

D) Lack of water

43 / 100

43) How many sperms are formed from a secondary spermatocyte?

A) 2

B) 1

C) 8

D) 4

44 / 100

44) A natural method of contraception, periodic abstinence is [NCERT PG 59]

A) Abstaining from coitus from day 1 to 5 of the menstrual cycle.

B) Abstaining from coitus from day 10 to 17 of the menstrual cycle.

C) Abstaining from coitus from day 17 to 22 of the menstrual cycle.

D) Abstaining from coitus from day 5 to 10 of the menstrual cycle.

45 / 100

45) SOLO taxonomy consists of levels?

A) 6

B) 4

C) 8

D) 2

46 / 100

46) Water potential of imbibants is___?

A) Zero

B) Always possible

C) Highly positive

D) Highly negative

47 / 100

47) Patterns and designs of exine of pollen grains are Characteristic feature of [NCERT PG NO 23]

A) Species of plant

B) None of these

C) Genus of plants

D) Order of plants

48 / 100

48) Roots developed from the parts of the plants other than radicle are called___?

A) Fiberous roots

B) Adventitious roots

C) Tap roots

D) Nodular roots

49 / 100

49) With reference to solo taxonomy one aspect of a task is understood in ?

A) Extended abstract level

B) Multistructural level

C) Rational level

D) Unistructural level

50 / 100

50) Platelets are ?

A) All of these

B) Cell fragments

C) Produced from megakaryocytes

D) Also called thrombocytes

51 / 100

51) Imbibition causes ___?

A) Increase in the volume of imbibant but no pressure development

B) Volume of imbibant increases and pressure develops

C) No change in volume of imbibant but pressure develops

D) Decrease in the volume of imbibant and pressure develops

52 / 100

52) The goal of teaching is ?

A) Desirable change in behavior

B) To impart knowledge

C) To involve pupils in activities

D) to give information

53 / 100

53) Imbibition is ___?

A) Primary active transport

B) Diffusion

C) Faciliated diffusion

D) An active transport

54 / 100

54) An ecosystem resists change because it is in a state of : ___?

A) Imbalance

B) Homeostasis

C) Shortage of components

D) Deficiency of light

55 / 100

55) When the heart stop beating condition is called ?

A) Cardiac arrest

B) Heart failure

C) Congestive heart Failure

D) Heart attack

56 / 100

56) Plant absorbents consists of ___?

A) Cellulose and pectin

B) Lignin like chemical

C) Hydrophilic colloids

D) Hydrophobic colloid

57 / 100

57) What will be the ploidy of nucellus , MMC, Functional megaspore & female gametophyte respectively [NCERT PG NO 26]

A) 2n, 2n , n , n

B) n , n , 2n , 2n

C) n , 2n , n , 2n

D) 2n , n , 2n , n

58 / 100

58) Which Chambers of the heart that has thickest muscular wall ?

A) Left ventricle

B) Left Atrium

C) Right Atrium

D) Right ventricle

59 / 100

59)

Endospermic seeds are found in ?
1 -Barley
2- Castor
3- Pea
4- Both a & b

A) 4

B) 1

C) 2

D) 3

60 / 100

60) Which is not a Cu releasing IUDs [NCERT PG NO 60]

A) Cu7

B) CuT

C) Multiload 375

D) Progestasert

61 / 100

61) If a pressure greater than atmospheric pressure is applied to pure water or solution, it's water potential __?

A) Remains the same

B) Decreases

C) First increase and then become zero

D) Increases

62 / 100

62) The mineral distribution in tissue fluid is similar to that in?

A) Blood

B) None of these

C) Serum

D) Plasma

63 / 100

63) Trophic levels are formed by :___?

A) Plants

B) Organisms linked in food chain

C) Carnivores

D) Animals

64 / 100

64) In monerans & protistan , the parents cell divides by [NCERT PAGE NO 5]

A) First mitosis then meiosis

B) First meiosis then mitosis

C) Meiosis

D) Mitosis

65 / 100

65) When a plasmolysed cell is placed in water or hypotonic solution, what happens ?

A) Water potential of cell decreases

B) T. P. Increases

C) T. P. of cell becomes zero

D) T. P. of cell decreases

66 / 100

66) Blood group which do not contain any antigen on its surface ?

A) AB

B) A

C) O

D) B

67 / 100

67) Opening of the right ventricle into Pulmonary artery and that of left ventricle into the aorta is provided with ?

A) Mitral valve

B) Tricuspid valve

C) Semilunar valve

D) Bicuspid valve

68 / 100

68) which of the following birth control measures can be considered as the most effective and reliable ?

A) Use of physical barriers

B) The rhythm method

C) Sterilisation technique

D) Intra uterine devices

69 / 100

69) Pyramid of numbers in a pond ecosystem is : ___?

A) Upright

B) Inverted

C) Spindle shaped

D) Irregular

70 / 100

70) Which of the following is correct for standard ECG ?

A) All are correct

B) QRS Complex represent depolarization of ventricles

C) By counting the number of the QRS one can determine the heart rate of an individual

D) Q marks the beginning of systole

E) P -WAVE represent excitation or depolarization of Atria

F) T marks the end of systole

G) T- wave represent the return of ventricle from excited to the normal state (repolarisation)

71 / 100

71) Clot formed by a network of the thread head injury site is composed of ?

A) Dead and damaged formed element

B) Fibrin protein

C) All Of the Above

72 / 100

72) Preamble is formulated after the Constitution is drafted ?

A) True

B) False

73 / 100

73) പ്രഭാവർമ്മയുടെ ആദ്യ ഇംഗ്ലീഷ് നോവൽ?

A) സച്ച് എ ലോങ്ങ്‌ ജേർണി

B) ദി കുക്കൂസ്‌ നെസ്റ്റ്

C) ആഫ്‌റ്റർ ദ ആഫ്‌റ്റർമാത്‌

D) എ ഫൈൻ ബാലൻസ്

74 / 100

74) In which of the following, both autogamy and geitonogamy are prevented

A) Wheat

B) Maize

C) Castor

D) Papaya

75 / 100

75) In an ecosystem, the rate of production of organic matter during photosynthesis is termed as __?

A) net primary productivity

B) gross primary productivity

C) net productivity

D) secondary productivity

76 / 100

76) Who play an important role in guiding the pollen tubes to enter the embryo sac [NCERT PG NO 27]

A) Synergids

B) Mircropylar end

C) Filiform apparatus

D) Egg cell

77 / 100

77) Many pulses of daily use belong to one of the families below___?

A) Liliaceae

B) Fabaceae

C) Poceae

D) Solanaceae

78 / 100

78) Correct statement about Leydig cells [NCERT PG NO 43]

A) Are present in seminiferous tubules and help in maturation of sperms

B) Are present in interstitial space and secrete androgens

C) Are present in interstitial space and help in maturation of sperms

D) Are present in seminiferous tubules and secrete androgens

79 / 100

79) econdary productivity is rate of formation of new organic matter by ___?

A) decomposer

B) producer

C) parasite

D) consumer

80 / 100

80) Which of the following is the most stable ecosystem ?

A) Desert

B) Mountain

C) Ocean

D) Forest

81 / 100

81) The protection and preservation of tribal life and culture were guaranteed by the scheduled district act of 1875 ?

A) True

B) False

82 / 100

82) The number of Chambers in the heart of fishes amphibian and birds ?

A) 3,3,4

B) 2,3,4

C) 2,4,4

D) 2,2,4

83 / 100

83) In the tropical rain forest, most of the energy in the ecosystem flows through : ___?

A) Both grazing food chain and parasitic food chain

B) Detritus food chain

C) Grazing food chain

D) Parasitic food chain

84 / 100

84) Economic liberty is embodied in the Preamble to the constitution of india.

A) False

B) True

85 / 100

85) Which one of the following is now being commercially produced by biotechnological procedures ___?

A) Nicotine

B) Morphine

C) Insulin

D) Quinine

86 / 100

86) lymph is an important carrier for the transport of ?

A) Hormones

B) Both 1 and 2

C) Nutrients

87 / 100

87) Erythroblastosis fortalis can happen if mother and father are respectively ?

A) Rh -ve and Rh +ve

B) Do not depends on Rh factor

C) Rh+ve and Rh -ve

D) Any of above conditions

88 / 100

88) The basic categories of ecosystem are ___?

A) aquatic

B) terrestrial

C) Both (a) and (b)

89 / 100

89) What is antisense technology ___?

A) RNA polymerase producing DNA

B) A cell displaying a foreign antigen used for synthesis of antigens

C) When a piece of RNA that is complementary in sequence is used to stop expression of a specific gene

D) Production of somaclonal variants in tissue cultures

90 / 100

90) Which neural signal decreases the heart rate and thereby the cardiac output ?

A) Sympathetic nervous system

B) Both above

C) Parasympathetic neural system

91 / 100

91) The offspring produced through which of the following process are not exactly similar to their parents ?

A) Ameiotic thelytoky

B) Parthenogenesis

C) Asexual reproduction

D) Sexual reproduction

92 / 100

92) The process which brings about entry of water into seed coat when seeds are placed in water for germination is ___?

A) DPD

B) Imbibition

C) Osmosis

D) Diffusion

93 / 100

93)

A) B

B) A

C) C

D) D

94 / 100

94) 2022 ഓസ്ട്രേലിയൻ ഓപ്പൺ പുരുഷ കിരീടം നേടിയത് ?

A) ഡാനിൽ മെ‍ദ്‌വദേവ്

B) ഡൊമനിക് തീം

C) നൊവാക് ജോക്കോവിച്ച്

D) റാഫേൽ നദാൽ

95 / 100

95) All are bisexual/monoecious species except [NCERT PG NO 12 , FIG 1.6]

A) Sweet potato

B) Marchantia

C) Cucurbits

D) Chara

96 / 100

96) Blood group do not contain any antibody in its plasma ?

A) O

B) AB

C) A

D) B

97 / 100

97) Pollen grains are mature when [NCERT PG NO 23]

A) It contains two diploid cells

B) It contains one haploid cells

C) It contains vegetative cell & genetative cell

D) Both A & C

98 / 100

98) The linking of antibiotic resistance gene with the plasmid vector became possible with __?

A) DNA ligase

B) exonucleases

C) endonucleases

D) DNA polymerase

99 / 100

99) The testes are situated ____ the abdominal cavity within a pouch called ____. [NCERT PG NO 43]

A) inside, scrotum

B) outside, scrotum

C) inside, testicular lobules

D) outside, vas deferens

100 / 100

100) Tricuspid and bicuspid or mitral valve is present in between respectively ?

A) Left Atrium left ventricle ,&right Atrium right ventricle

B) Right Atrium and right ventricle , &left Atrium and left ventricle

C) Right ventricle and left Atrium & right ventricle and right Atrium

D) Left ventricle and right Atrium, &right ventricle and left Atrium

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The average score is 37%

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After taking a Mock Test, you should always asses:

1. The time taken to solve every section.
2. The most time consuming questions.
3. The sections that were easiest and hardest for you.
4. Average time taken to solve a section.

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HSA Natural Science Model Exam : 9

HSA Model Exam :NATURAL SCIENCE

mock test is essentially a practise paper that is completely based on the exam pattern and syllabus.

to boost productivity

Assists in the development of the best plan

Learn new problem-solving approaches.

Defends against anxiousness

After taking a Mock Test, you should always asses:

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