HSA Natural Science Model Exam : 9

ㅤ

FREE PSC TALKZ

HSA Natural Science Model Exam : 9

HSA Model Exam :NATURAL SCIENCE

KERALA PSC MOCK TEST : PSC TALKZ

HSA Model Exam

Kerala PSC Mock Test :”PRACTICE is that the solely key to administer your Best in any Examination and Kerala PSC wants

Practice ,Practice and Practice , however you prefer it or not!!”

Our Mock test Series facilitate the aspirants to acclimate themselves and to the New Pattern & candidates also can assess their strengths & weaknesses.

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

To improve time management abilities,for instance

After practising with our mock tests on a regular basis, candidates will be able to solve exam problems faster.

To assess one’s ability

However Candidates will be able to gauge their ability by taking our mock examinations, and if they are not happy, they can make attempts to push themselves harder in the preparation process.

So To gain a sense of the exam

Candidates can get a feel for the main exam by completing our sample tests. This will assist the aspiring applicant in overcoming their fears and gain the necessary experience.

to boost productivity

With frequent practise through our sample tests, the chances of making foolish mistakes on the exam will decrease as efficiency improves, For Instance

Assists in the development of the best plan

So Thorough examination of their performance in each mock test will aid in the development of the best test-taking approach and strategy.

Learn new problem-solving approaches.

Mock tests should be regarded in the same way that so the real tests are and If a student takes the mock test seriously, However he or she will do well on the real exam as well. You will learn and improve your performance with each mock test you take.

Defends against anxiousness

During exam preparation, stress and anxiety are two aspects that go hand in hand and These things can have a negative impact on exam results.

So Exam preparation and confidence are boosted through rigorous mock test practise.

/100

2 votes, 1 avg

362

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

🛑 Questions : 100

🛑 Time : 1 Hour 30 Minutes

🛑 സംശയങ്ങൾക്ക് ടെലെഗ്രാമിൽ ബന്ധപ്പെടുക Link

🛑 വിജയാശംസകൾ - TEAM PSC TALKZ

1 / 100

1) 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 Only

B) 2 Only

C) 1 & 2

D) 3 & 2

2 / 100

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

A) Parasympathetic neural system

B) Sympathetic nervous system

C) Both above

3 / 100

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

A) Grazing food chain

B) Both grazing food chain and parasitic food chain

C) Parasitic food chain

D) Detritus food chain

4 / 100

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

A) Forest

B) Ocean

C) Mountain

D) Desert

5 / 100

5) Which of the following statement is incorrect ?

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

B) Embryogenesis involves cell division and cell differentiation

C) Animals are either unisexual or bisexual

D) Asexual reproduction is a rapid mode of reproduction

6 / 100

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

A) Dead and damaged formed element

B) All Of the Above

C) Fibrin protein

7 / 100

7) Trophic levels are formed by :___?

A) Animals

B) Plants

C) Carnivores

D) Organisms linked in food chain

8 / 100

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

A) Extended abstract level

B) Rational level

C) Multistructural level

D) Unistructural level

9 / 100

9) The goal of teaching is ?

A) Desirable change in behavior

B) To involve pupils in activities

C) To impart knowledge

D) to give information

10 / 100

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

A) Rh+ve and Rh -ve

B) Do not depends on Rh factor

C) Any of above conditions

D) Rh -ve and Rh +ve

11 / 100

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

A) Fabaceae

B) Liliaceae

C) Poceae

D) Solanaceae

12 / 100

12) Leucocytes are colorless due to ?

A) Presence of Ca+2 ions

B) Lack of water

C) Lack of hemoglobin

D) Presence of white colour pigments

13 / 100

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

A) 18, 21 years

B) 15, 18 years

C) 15, 14 years

D) 21, 18 years

14 / 100

14) വൈക്കം സത്യാഗ്രഹികൾക്ക് സൗജന്യ ഭക്ഷണശാല തുടർന്ന് സഹായം നൽകിയത് ആര്?

A) കാശ്മീരികൾ

B) ആസാമീസ്

C) അകാലികൾ

D) ബംഗാളികൾ

15 / 100

15) 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

16 / 100

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

A) Adventitious roots

B) Fiberous roots

C) Nodular roots

D) Tap roots

17 / 100

17) The basic categories of ecosystem are ___?

A) Both (a) and (b)

B) terrestrial

C) aquatic

18 / 100

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

A) Plasma

B) None of these

C) Serum

D) Blood

19 / 100

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

A) Use of physical barriers

B) Intra uterine devices

C) Sterilisation technique

D) The rhythm method

20 / 100

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

A) Mircropylar end

B) Filiform apparatus

C) Egg cell

D) Synergids

21 / 100

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

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

A) i and iii

B) i and iv

C) ii and iii

D) i and ii

22 / 100

22) Plant absorbents consists of ___?

A) Hydrophobic colloid

B) Cellulose and pectin

C) Lignin like chemical

D) Hydrophilic colloids

23 / 100

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

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

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

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

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

24 / 100

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

A) Sexual reproduction

B) Ameiotic thelytoky

C) Parthenogenesis

D) Asexual reproduction

25 / 100

25) 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

26 / 100

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

A) Hybridization

B) Recombinant DNA techniques

C) X-ray diffraction

D) Heavier isotope labelling

27 / 100

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

A) DPD of seed is very much low

B) Water potential gradient between the seed coat and water

C) OP of water is high

D) O. P. inside the seed is low

28 / 100

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

A) Quality of life

B) Spending time

C) Qualification

D) Adjustment of life

29 / 100

29) Preamble is formulated after the Constitution is drafted ?

A) True

B) False

30 / 100

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

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

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

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

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

31 / 100

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

A) Left and right ventricles

B) Left and right atria

C) Left atria and left ventricle

D) Left atria and right ventricle

32 / 100

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

A) B

B) A

C) AB

D) O

33 / 100

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

A) It contains vegetative cell & genetative cell

B) It contains one haploid cells

C) Both A & C

D) It contains two diploid cells

34 / 100

34) Genetic engineering is possible, because ___?

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

B) the phenomenon of transduction in bacteria is well understood

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

D) we can see DNA by electron microscope

35 / 100

35) When the heart stop beating condition is called ?

A) Congestive heart Failure

B) Cardiac arrest

C) Heart attack

D) Heart failure

36 / 100

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

A) gross primary productivity

B) secondary productivity

C) net productivity

D) net primary productivity

37 / 100

37) Two or more aspects are understood in ?

A) Unistructural lever

B) Extended abstract level

C) Rational level

D) Multistructural level

38 / 100

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

A) Imbibition

B) Diffusion

C) Osmosis

D) DPD

39 / 100

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

A) Micropyle

B) Testa

C) Chalaza

D) Hilum

40 / 100

40) Edible part of apple and pear is___?

A) Epicarp

B) Endocarp

C) Mesocarp

D) Thalamus

41 / 100

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

A) Upright

B) Spindle shaped

C) Irregular

D) Inverted

42 / 100

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

A) ശ്രീനാരായണഗുരു

B) തൈക്കാട് അയ്യ

C) അയ്യങ്കാളി

D) പണ്ഡിറ്റ് കറുപ്പൻ

43 / 100

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

A) Coconut

B) Casto

C) Orchids

D) Maize

44 / 100

44) Water potential of imbibants is___?

A) Highly positive

B) Highly negative

C) Zero

D) Always possible

45 / 100

45)

A) C

B) A

C) D

D) B

46 / 100

46)

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) ഒന്നുമാത്രം

B) ഒന്നും രണ്ടും മാത്രം

C) ഇവ എല്ലാം ശരിയാണ്

D) രണ്ടു മാത്രം

47 / 100

47) 2021 വേൾഡ് ഗെയിംസ് അത്‌ലറ്റ് ഓഫ് ദി ഇയർ പുരസ്കാരം നേടിയത് ?

A) പി ആർ ശ്രീജേഷ്

B) നീരജ് ചോപ്ര

C) അഞ്ജു ബോബി ജോർജ്

D) റാണി റാംപാൽ

48 / 100

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

A) T. P. of cell becomes zero

B) T. P. of cell decreases

C) T. P. Increases

D) Water potential of cell decreases

49 / 100

49) 2022 ൽ കായികമേഖലയിൽ പത്മശ്രീ പുരസ്കാരത്തിന് അർഹനായത്?

A) ശങ്കരനാരായണൻ മേനോൻ

B) വാസുദേവൻ

C) രാഘവ കുറുപ്പ്

D) ശിവ ശങ്കർ

50 / 100

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

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

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

C) is coded by several genes including the gene cry

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

51 / 100

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

A) CuT

B) Cu7

C) Progestasert

D) Multiload 375

52 / 100

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

A) Teacher

B) contents

C) Pupil

D) Teaching method

53 / 100

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

A) Cervical canal

B) Isthmus

C) Infundibulum

D) Ampulla

54 / 100

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

A) Bicuspid valve

B) Mitral valve

C) Tricuspid valve

D) Semilunar valve

55 / 100

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

A) Nutrients

B) Both 1 and 2

C) Hormones

56 / 100

56) ഗാർഹിക ഉപഭോക്താക്കൾക്ക് സോളാർ പ്ലാന്റ് സ്ഥാപിക്കുന്നതിനായുള്ള അനെർട്ട് പദ്ധതി?

A) സോളാർ സ്റ്റാർട്ട്‌

B) ജ്യോതിസ്സ്

C) സൂര്യ തേജസ്‌

D) സൗര തേജസ്‌

57 / 100

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

A) Meiosis

B) First mitosis then meiosis

C) Mitosis

D) First meiosis then mitosis

58 / 100

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

A) Epidermis

B) Middle layers

C) Endothecium

D) Tapetum

59 / 100

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

A) Method of teaching

B) Teaching strategies

C) Techniques of teaching

D) Maxims of teaching

60 / 100

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

A) True

B) False

61 / 100

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

A) None of these

B) Species of plant

C) Genus of plants

D) Order of plants

62 / 100

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

A) Lupin

B) Indigofera

C) Trifolium

D) Cassia

63 / 100

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

A) Papaya

B) Castor

C) Wheat

D) Maize

64 / 100

64) 2022 ഓസ്ട്രേലിയൻ ഓപ്പൺ പുരുഷ കിരീടം നേടിയത് ?

A) ഡൊമനിക് തീം

B) റാഫേൽ നദാൽ

C) ഡാനിൽ മെ‍ദ്‌വദേവ്

D) നൊവാക് ജോക്കോവിച്ച്

65 / 100

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

A) ജോസഫ് മുണ്ടശ്ശേരി

B) ചാത്തൻ മാസ്റ്റർ

C) കെ ആർ ഗൗരിയമ്മ

D) ഡോ എ ആർ മേനോൻ

66 / 100

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

A) True

B) False

67 / 100

67) Open circulatory system is present in ?

A) Arthropod and molluscs

B) Annelids

C) Chordates

D) Humans

68 / 100

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

A) Imbalance

B) Homeostasis

C) Deficiency of light

D) Shortage of components

69 / 100

69) Imbibition is ___?

A) Diffusion

B) An active transport

C) Primary active transport

D) Faciliated diffusion

70 / 100

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

A) Right ventricle

B) Right Atrium

C) Left ventricle

D) Left Atrium

71 / 100

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

A) Source of energy is detritus.

B) Is also called auxiliary food chain.

C) Is never connected to GFC.

D) Composed of small chain of detritivores only.

72 / 100

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

A) All are correct

B) Q marks the beginning of systole

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

D) QRS Complex represent depolarization of ventricles

E) T marks the end of systole

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

G) P -WAVE represent excitation or depolarization of Atria

73 / 100

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

A) Increases

B) First increase and then become zero

C) Remains the same

D) Decreases

74 / 100

74) Conversion of fibrinogen is catalyzed by ?

A) Prothrombin

B) Thrombin

C) Thromboplastin

D) All of the above

75 / 100

75) What is antisense technology ___?

A) Production of somaclonal variants in tissue cultures

B) RNA polymerase producing DNA

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

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

76 / 100

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

A) Cucurbits

B) Marchantia

C) Sweet potato

D) Chara

77 / 100

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

A) Morphine

B) Quinine

C) Insulin

D) Nicotine

78 / 100

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

A) All of them

B) Formal organs

C) Veins and veinlets in a lamina

D) Flower in inflorescence

79 / 100

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

A) B

B) O

C) AB

D) A

80 / 100

80) SOLO stands for ..........

A) System of the observed learning output

B) System of the observed learning outcome

C) structure of the observed learning output

D) Structure of the observed learning outcome

81 / 100

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

A) RBC

B) WBC

C) Interstitial fluid

D) Serum

82 / 100

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

A) 1

B) 8

C) 2

D) 4

83 / 100

83) SOLO taxonomy consists of levels?

A) 2

B) 8

C) 4

D) 6

84 / 100

84) Syngenesious condition of stamen is found in family ?

A) Cruciferae

B) Asteraceae

C) Liliaceae

D) Malvaceae

85 / 100

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

A) Heparin

B) Plasminogen and Calcium together

C) Prothrombin

D) Prothrombin and Calcium together

86 / 100

86) When does a concentration gradient exists ?

A) When solute concentration are low

B) When solute concentration is high

C) When members rupture

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

87 / 100

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

A) inside, testicular lobules

B) outside, vas deferens

C) inside, scrotum

D) outside, scrotum

88 / 100

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

A) consumer

B) decomposer

C) producer

D) parasite

89 / 100

89) Imbibition causes ___?

A) No change in volume of imbibant but pressure develops

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

C) Volume of imbibant increases and pressure develops

D) Decrease in the volume of imbibant and pressure develops

90 / 100

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

A) endonucleases

B) DNA polymerase

C) exonucleases

D) DNA ligase

91 / 100

91) Platelets are ?

A) Produced from megakaryocytes

B) Also called thrombocytes

C) Cell fragments

D) All of these

92 / 100

92) Plasma without clotting factor is called ?

A) Serum

B) Semen

C) Tissue

D) Lymph

93 / 100

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

A) Are present in interstitial space and secrete androgens

B) Are present in seminiferous tubules and secrete androgens

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

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

94 / 100

94) പ്രഭാവർമ്മയുടെ ആദ്യ ഇംഗ്ലീഷ് നോവൽ?

A) ദി കുക്കൂസ്‌ നെസ്റ്റ്

B) ആഫ്‌റ്റർ ദ ആഫ്‌റ്റർമാത്‌

C) എ ഫൈൻ ബാലൻസ്

D) സച്ച് എ ലോങ്ങ്‌ ജേർണി

95 / 100

95) Maize grain is a fruit known as ?

A) Cypsela

B) Achene

C) Caryopsis

D) Legume

96 / 100

96) Which is largest among the given lymphocytes?

A) Basophils

B) Monocytes

C) Lymphocytes

D) Eosinophils

97 / 100

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

A) 0

B) +2

C) -3

D) +3

98 / 100

98)

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

A) 2

B) 1

C) 4

D) 3

99 / 100

99) Four chambered heart is not present in ?

A) Amphibians

B) Birds

C) Mammals

D) Crocodile

100 / 100

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

A) 2,3,4

B) 3,3,4

C) 2,4,4

D) 2,2,4

Your score is

The average score is 37%

Exit

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.

error: Content is protected !!

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:

RECENT POSTS