· pdf fileneet biology model questions m.murugan & p.raja page 3 pgt zoology, neyveli

NEET BIOLOGY MODEL QUESTIONS

M.MURUGAN & P.RAJA PGT ZOOLOGY, NEYVELI. PGT ZOOLOGY ,NEYVELI.

1.Mineral found in red

pigment of vertebrate

blood is

(a) magnesium (b) iron

(c) calcium (d) copper

2.Lymph differ from blood in

possessing

(a) only WBC

(b) more RBC and WBC

(c) more RBC and few

WBC (d) more WBC and

few RBC

3.Histamine secreting cells

are found in

(a)connective tissue

(b) lungs (c)

muscular tissue

(d) nervous tissue

4. Removal of calcium from

freshly collected

blood would

(a) cause delayed

clotting (b) prevent

clotting

(c)cause immediate

clotting

(d)prevent destruction of

haemoglobin

5. Haemophilia is

1. (a) royal disease (b)

faulty blood clotting

(c) Both (a) and (b) (d)

mosquito having haemocoel

6. A person with blood

group A requires blood.

The blood group which can

be given is

(a) A and B (b) A and

AB

(c) A and O (d) A, B,

AB and O

7. Which one engulfs

pathogens rapidly?

(a) Acidophils (b)

Monocytes

(c) Basophils (d)

Neutrophils

8. Blood group AB has

(a) no antigen (b) no

antibody (c) neither

antigen nor antibody

(d) Both (a) and (b)

9. Component of blood

responsible for producing

antibodies is

(a) thrombocytes(b)

monocytes(c)

erythrocytes(d)

lymphocytes

10. The genotype of B group

father of an O group

child is

www.Padasalai.Net www.TrbTnpsc.com

http://www.trbtnpsc.com/2017/09/neet-exam-study-materials-download-tamil-english-medium.html

www.Padasalai.Net



(a) I°I° (b) IBIB (c)

IAIB (d) IoIB

11. A man with blood group

A, marries AB blood

group woman. Which

type of progeny indicate

that the man is not

homozygous?

(a) AB (b) B (c) A (d) O

12. Vitamin-K is required for

(a) formation of

thromboplastin

(b) conversion of

fibrinogen to fibrin

(c) conversion of

prothrombin to thrombin

(d) synthesis of

prothrombin

13. A child of blood group O

cannot have parents

of blood groups

(a) AB and AB/O (b) A

and B (c) B and B (d)

O and O

14. Antigens are present

(a) inside the nucleus

(b) on cell surface

(c) inside the cytoplasm

(d) on nuclear membrane

15. Which of the following

is agranulocyte?

(a) Lymphocyte

(b) Eosinophil

(c) Basophil

(d) Neutrophil

16. The life span of human

WBC is approximately

(a) less than 10 days

(b) between 20 to 30 days

(c) between 2 to 3 months

(d) more than 4 months

17. In mammals, histamine

is secreted by

(a) fibroblasts

(b) histocytes

(c) lymphocytes

(d) mast cells

18. Haemoglobin is a type

of

(a) carbohydrate

(b) vitamin

(c) skin pigment

(d) respiratory pigment

19. Child death may occur

in the marriage of

(a) Rh+ man and Rh+

woman

(b) Rh+ man and Rh–

woman

(c) Rh– man and Rh– woman



www.Padasalai.Net



(d) Rh– man and Rh+

woman


substances, if introduced

into the blood stream,

would cause

coagulation of blood at the

site of its introduction?

(a) Prothrombin

(b) Fibrinogen

(c) Thromboplastin

(d) Heparin

21. Which type of white

blood cells are concerned

with the release of

histamine and the

natural anticoagulant

heparin?

(a) Neutrophils

(b) Basophils

(c) Eosinophils

(d) Monocytes

RESPIRATION

22. End product of

glycolysis is

(a) acetyl Co-A (b) pyruvic

acid

(c) glucose 1-phosphate

(d) fructose 1-phosphate

23. EMP can produce a total

of

(a) 6 ATP (b) 8 ATP

(c) 24 ATP (d) 38 ATP

24. Connecting link

between glycolysis and

Krebs cycle is (before

entering Krebs cycle

pyruvate changed to)

(a) oxaloacetate (b) PEP

(c) pyruvate (d) acetyl Co-A

25. When one glucose

molecule is completely

oxidised, it changes

(a) 36 ADP molecules into

36 ATP molecules

(b) 38 ADP molecules into

38 ATP molecules

(c) 30 ADP molecules into

30 ATP molecules

(d) 32 ADP molecules into

32 ATP molecules

26. Link between

glycolysis, Krebs cycle and

poxidation

of fatty acid or

carbohydrate and

fat metabolism is

(a) oxaloacetic acid

(b) succinic acid

(c) citric acid

(d) acetyl Co-A



www.Padasalai.Net



27. Oxidative

phosphorylation is

production of

(a) ATP in photosynthesis

(b) NADPH in

photosynthesis

(c) ATP in respiration

(d) NADH in respiration

28. End product of citric

acid/Krebs cycle is

(a) citric acid (b) lactic acid

(c) pyruvic acid (d) CO2 +

H2O

29. In animal cells, the first

stage of glucose

break down is

(a) Krebs cycle

(b) glycolysis

(c) oxidative

phosphorylation

(d) ETC

30. Fermentation products

of yeast are

(a) H2O + CO2

(b) methyl alcohol + CO2

(c) methyl alcohol + H2O

(d) ethyl alcohol + CO2

31. Krebs cycle occurs in

(a) mitochondria (b)

cytoplasm

(c) chloroplast (d)

ribosomes

DIGESTION

32. Release of pancreatic

juice is stimulated by

(a) enterokinase (b)

cholecystokinin

(c) trypsinogen (d) secretin

33. Pancreatic juice and

hormones of pancreas

are produced by

(a) same cells

(b) same cells at different

times

(c) statement is wrong

(d) different cells

34. Pancreas produces

(a) three digestive enzymes

and one

hormone

(b) three digestive enzymes

and two

hormones

(c) two digestive enzymes

and one hormone

(d) three digestive enzymes

and no hormone

35. Where is protein

digestion accomplished?

(a) Stomach (b) IIeum

(c) Rectum (d) Duodenum

36. Secretion of gastric

juice is stopped by



www.Padasalai.Net



(a) gastrin (b)

pancreozymin

(c) cholecystokinin (d)

enterogasterone

37. Rennin acts on

(a) milk changing casein

into calcium

paracaseinate at 7.2-8.2 pH

(b) protein in stomach

(c) fat in intestine

(d) milk changing casein

into calcium

paracaseinate at 1-3 Ph

38. The contraction of gall

bladder is due to

(a) gastrin

(b) secretin

(c) cholecystokinin

(d) enterogasterone

39. Lactose is composed of

(a) glucose + fructose

(b) glucose+ glucose

(c) glucose + galactose

(d) fructose + galactose

40. Which one of the

following is a protein

deficiency

disease ?

(a) Eczema

(b) Cirrhosis

(c) Kwashiorkor

(d) Night blindness


following correctly

represents

the normal adult human

dental formula?

(a)

3 ,1, 3 , 3

2 1 3 3

(b)

3 ,1, 3 ,1

3 1 2 1

(c)

2 ,1, 3 , 3

2 1 2 3

(d)

2 ,1, 2 , 3

2 1 2 3


pair is characterised

by swollen lips, thick

pigmented skin of

hands and legs and

irritability?

(a) Thiamine — Beri-beri

(b) Protein — Kwashiorkor

(c) Nicotinamide — Pellagra

(d) Iodine — Goitre

43. Vitamin-K is required for

(a) change of prothrombin

to thrombin

(b) synthesis of prothrombin



www.Padasalai.Net



(c) change of fibrinogen to

fibrin

(d) formation of

thromboplastin

44. Calcium deficiency

occurs in the absence of

vitamin

(a) D (b) C

(c) E (d) B

45. Maximum amount of

energy/ATP is liberated

on oxidation of (a) fats (b)

proteins

(c) starch (d) vitamins

46. The vitamin-C or

ascorbic acid prevents

(a) rickets (b) pellagra

(c) scurvy (d) antibody

synthesis


following vitamin can be

synthesized by bacteria

inside the gut ?

(a) B1 (b) C

(c) D (d) K

48. One of the factors

required for the maturation

of erythrocytes is (a)

vitamin-D (b) vitamin-A

(c) vitamin-B12 (d) vitamin-

C


is mismatched ?

(a) Vitamin-K — Beri-beri

(b) Vitamin-D — Rickets

(c) Vitamin-C — Scurvy

(d) Vitamin-A —

Xerophthalmia

50. Which one is correctly

matched ?

(a) Vit-E-Tocopherol

(b) Vit.-D-Riboflavin

(c) Vit.-B-Calciferol

(d) Vit.-A-Thiamine

51. Continuous bleeding

from an injured part of

body is due to deficiency]

(a) vitamin-A (b) vitamin-B

(c) vitamin-K (d) vitamin-E


following is the correct

matching of a vitamin, its

nature and its deficiency

disease ?

(a) Vitamin-A—Fat soluble—

Night blindness

(b) Vitamin-K—Fat soluble—

Beri-beri

(c) Vitamin-A—Fat soluble—

Beri-beri

(d) Vitamin-K—Water

soluble—Pellagra



www.Padasalai.Net



CIRCULATORY SYSTEM

53. Cells formed in bone

marrow include

(a) RBC (b) RBC and

leucocytes

(c) leucocytes (d)

lymphocytes

54. Pacemaker of heart is

(a) AVnode (b) bundle of His

(c) SA node (d) Purkinje

fibres

55. ‘Dup’ sound is produced

during closure of

(a) semilunar valves

(b) bicuspid valve

(c) tricuspid valve

(d) Both (b) and (c)

56. The lymph serves to

(a) transport oxygen to the

brain

(b) transport carbon dioxide

to the lungs

(c) return the interstitial

fluid to the blood

(d) return the WBCs and

RBCs to the lymph

Nodes

57. The blood cancer is

known as

(a) leukemia (b) thrombosis

(c) haemolysis (d)

haemophilia

58. The correct route

through which pulse-

making

impulse travels in the heart

is

(a) AV node Bundle of

His SA node

Purkinje fibres Heart

muscles

(b) AV node SA node

Purkinje

fibres Bundle of His

Heart

muscles

(c) SA node Purkinje

fibres Bundle

of His AV node Heart

muscles

(d) SA node AV node

Bundle of His

Purkinje fibres Heart

muscles


following statements about

blood constituents and

transport of respiratory

gases is most accurate]

(a) RBCs transport oxygen

whereas WBCs

transport CO 2

(b) RBCs transport oxygen

whereas plasma



www.Padasalai.Net



transports only CO 2

(c) RBCs as well as WBCs

transport both

oxygen and CO 2

(d) RBCs as well as plasma

transport both

oxygen and CO2

60. An adult human with

average health has

systolic and diastolic

pressures as

(a) 80 mm Hg and 80 mm

Hg

(b) 70 mm Hg and 120 mm

Hg

(c) 120 mm Hg and 80 mm

Hg

(d) 50 mm Hg and 80 mm

Hg


is not main function

of lymph glands ?

(a) Forming WBC

(b) Forming antibodies

(c) Forming RBC

(d) Destroying bacteria

62. The antibodies are

(a) germs (b) carbohydrates

(c) proteins (d) lipids

63. The thickening of walls

of arteries is called

(a) arthritis (b)

atherosclerosis

(c) aneurysm (d) Both (a)

and (c)

64. Bundle of His’ is a part

of which one of the

following organs in humans

?

(a) Brain (b) Heart

(c) Kidney (d) Pancreas

65. Arteries are best

defined as the vessels

which

(a) Supply oxygenated

blood to the different

organs

(b) Carry blood away from

the heart to

different organs

(c) Break up into capillaries

which reunite

to from a vein

(d) Carry blood from one

visceral organ to

another visceral organ


following statements is

correct

regarding blood pressure ?

(a) 130/90 mmHg is

considered high and

requires treatment



www.Padasalai.Net



(b) 100/55 mmHg is

considered an ideal

blood pressure

(c) 105/50 mmHg makes

one very active

(d) 190/110 mmHg may

harm vital organs

like brain and kidney

67.Which one of the

following human organs

is often called the

“graveyard” of RBCs?

(a) Kidney

(b) Spleen

(c) Liver

(d) Gall bladder

CHEMICAL COORDINATION

68. Insulin is

(a) vitamin (b) lipid

(c) hormone (d) enzyme

69. ADH or vasopressin is

(a) enzyme that hydrolyses

peptides

(b) hormone secreted by

pituitary that

promotes reabsorption of

water from

glomerular filtrate

(c) hormone that promotes

glycogenolysis

(d) energy rich compound

connected with

muscle contraction

70. Gastric secretion is

stopped by hormone

(a) enterogesterone (b)

gastrin

(c) pancryeozymin (d)

cholecystokinin


radioactive isotope

is used in the detection of

thyroid cancer?

(a) Iodine-131 (b) Carbon-

14

(c) Uranium-238 (d)

Phosphorus-32


following hormones

stimulates

the “let down” (release) of

milk from

the mother’s breasts when

the baby is sucking?

(a) Progesterone (b)

Oxytocin

(c) Prolactin (d) Relaxin

73. Diabetes is due to

(a) iodine deficiency

(b) hormonal deficiency

(c) Na+ deficiency

(d) enzyme deficiency



www.Padasalai.Net



74. The gonadotropic

hormones are produced

in

(a) interstitial cells of

testes

(b) adrenal cortex

(c) adenohypophysis of

pituitary

(d) posterior part of thyroid

75. The function of oxytocin

is to help in

(a) growth (b) lactation

(c) child birth (d)

gametogenesis

76. Melatonin is secreted

by

(a) skin (b) thymus

(c) pituitary (d) pineal gland

77. Melanocyte Stimulating

Hormone (MSH) is

produced by

(a) anterior pituitary

(b) posterior pituitary

(c) pars intermedia of

pituitary

(d) parathyroid

78. Chemically hormones

are

(a) biogenic amines only

(b) proteins, steroids and

biogenic amines

(c) proteins only

(d) steroids only


following pairs correctly

matches a hormone with a

disease resulting

from its deficiency ?

(a) Luteinizing hormone —

Failure of

ovulation

(b) Insulin — Diabetes

insipidus

(c) Thyroxine — Tetany

(d) Parathyroid hormone —

Diabetes

Mellitus

80. Which hormone causes

dilation of blood

vessels, increased oxygen

consumption and

glucogenesis ?

(a) ACTH

(b) Insulin

(c) Adrenalin

(d) Glucagon


following pairs of organs

includes only the endocrine

glands?

(a) Parathyroid and adrenal

(b) Pancreas and

parathyroid

(c) Thymus and testes



www.Padasalai.Net



(d) Adrenal and ovary

82. The blood calcium level

is lowered by the

deficiency of

(a) parathormone

(b) thyroxine

(c) calcitonin

(d) Both (a) and (c)

83. In human adult females,

oxytocin

(a) is secreted by anterior

pituitary

(b) stimulates growth of

mammary glands

(c) stimulates pituitary to

secrete vasopressin

(d) causes strong uterine

contractions

during parturition


following pairs is

incorrectly

matched ?

(a) Glucagon - Beta cells

(source)

(b) Somatostatin - Delta

cells (source)

(c) Corpus luteum - Relaxin

(secretion)

(d) Insulin - Diabetes

mellitus (disease)

85. The 24 hour (diurnal)

rhythm of our body

such the sleep awake cycle

is regulated by

the hormone

(a) Melatonin

(b) Calcitonin

(c) Prolactin

(d) Adrenaline

86. Select the correct

matching of a hormone, its

source and function.

Hormone Source Function

(a) Norepinephrine Adrenal

medulla Increases heart

beat, rate of respiration

and alertness

(b) Glucagon Beta-cells of

Islets of Stimulates

glycogenolysis

langerhans

(c) Prolactin Posterior

pituitary Regulates growth

of mammary glands

and milk formation in

female

(d) Vasopressin Posterior

pituitary Increases loss of

water through urine

87. Match the source gland

with its respective hormone

as well as the functions



www.Padasalai.Net



Source gland Hormone

Function

(a) Anterior pituitary

Oxytocin Contraction of

uterus muscles during child

birth

(b) Posterior pituitary

Vasopressin Stimulates

resorption of water in the

distal tubules

in nephron

(c) Corpus luteum Estrogen

Supports pregnancy

(d) Thyroid Thyroxine

Regulates blood calcium

level

88. Given below is an

incomplete table about

certain hormones, their

source glands and one

major

effect of each on the body

in humans. Identify the

correct option for the three

blanks A, B and C

Gland Secretion Effect on

Body

A) Oestrogen Maintenance

of secondary sexual

characters

Alpha cells of Islets of

Langerhans B) Raises blood

sugar level

Anterior pituitary C Over

secretion leads to

gigantism

Options :

A B C

(a) Ovary Glucagon Growth

hormone

(b) Placenta Insulin

Vasopressin

(c) Ovary Insulin Calcitonin

(d) Placenta Glucagon

Calcitonin

89. Fight-or-flight reactions

cause activation of

(a) The parathyroid glands,

leading to

increased metabolic rate

(b) The kidney, leading to

suppression of

rennin angiotensin-

aldosterone pathway

(c) The adrenal medulla,

leading to increased

secretion of epinephrine

and

norepinephrene

(d) The pancreas leading to

a reduction in

the blood sugar levels



www.Padasalai.Net



90. A chemical signal that

has both endocrine

and neural roles is ?

(a) Calcitonin

(b) Epinephrine

(c) Cortisol

(d) Melatonin

91. A pregnant female

delivers a baby who suffers

from stunted growth,

mental retardation,

low intelligence quotient

and abnormal

skin.

This is the result of

(a) Deficiency of iodine in

diet

(b) Low secretion of growth

hormone

(c) Cancer of the thyroid

gland

(d) Over secretion of pars

distalis


statements is correct

in relation to the endocrine

system ?

(a) Adenohypophysis is

under direct neural

regulation of the

hypothalamus

(b) Organs in the body like

gastrointestinal

tract, heart, kidney and

liver do not

produce any hormones

(c) Non-nutrient chemicals

produced by the

body in trace amount that

act as intercellular

messenger are known as

hormones

(d) Releasing and inhibitory

hormones are

produced by the pituitary

gland

93. How many sperms are

formed from a secondary

spermatocyte?

(a) 4 (b) 8

(c) 2 (d) 1

94. Occurrence of Leydig’s

cells and their secretion

is

(a) ovary and estrogen

(b) liver and cholesterol

(c) pancreas and glucagon

(d) testis and testosterone

95. Middle piece of

mammalian sperm

possesses

(a) mitochondria and

centriole



www.Padasalai.Net



(b) mitochondria only

(c) centriole only

(d) nucleus and

mitochondria

96. Fertilizins are emitted

by

(a) immature eggs (b)

mature eggs

(c) sperms (d) polar bodies

97. Freshly released human

egg has

(a) one Y - chromosome

(b) one X - chromosome

(c) two X - chromosomes

(d) Both (a) and (b)

98. Location and secretion

of Leydig’s cells are

(a) liver — cholesterol (b)

ovary — estrogen

(c) testis — testosterone

(d) pancreas — glucagon

99. Male hormone is

produced in the testis by

cells of

(a) sertoli (b) epithelial

(c) spermatocytes (d)

Leydig

100. Ovulation occurs under

the influence of

(a) LH (b) FSH

(c) estrogen (d)

progesterone



www.Padasalai.Net



TRY TO ANSWER

1 11 21 31 41

2 12 22 32 42

3 13 23 33 43

4 14 24 34 44

5 15 25 35 45

6 16 26 36 46

7 17 27 37 47

8 18 28 38 48

9 19 29 39 49

10 20 30 40 50

IN PEOPLE SERVICE

M.MURUGAN.,M.PHIL.B.ED,

PGT IN ZOOLOGY,

NEYVELI.

(8124173439)

51 61 71 81 91

52 62 72 82 92

53 63 73 83 93

54 64 74 84 94

55 65 75 85 95

56 66 76 86 96

57 67 77 87 97

58 68 78 88 98

59 69 79 89 99

60 70 80 90 100

P.RAJA., M.PHIL.M.ED,

PGT IN ZOOLOGY,

NEYVELI.

(8248808330).



www.Padasalai.Net





www.Padasalai.Net

· pdf fileneet biology model questions m.murugan & p.raja page 3 pgt zoology, neyveli

Documents