11th Standard Biology English Medium All Chapter Book Back and Creative One Marks Questions 2020

Download Tamil Nadu 11th Standard Biology question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.

Questions:

Multiple Choice Question

110 x 1 = 110

Jamunapari is a _________breed

(a)

cattle

(b)

goat

(c)

hen

(d)

duck

The_________in the body are replaced every 7-10 days.

(a)

RBC

(b)

Ruffini endings

(c)

Taste bud cells

(d)

Cone

Which is said to be computer-controlled device?

(a)

Auto analyser

(b)

Sphygmomanometer

(c)

Glucometer

(d)

Stethoscope

Name the device used to hear the internal sounds of the human body.

(a)

Stethoscope

(b)

Sphygmomanometer

(c)

Glucometer

(d)

Autoanalyser

An example for intermediate day plant is ___________

(a)

Potato

(b)

Sugarcane

(c)

Rye

(d)

Night Jasmine

The inactive region in root promeristem is called _____________

(a)

Korper zone

(b)

Quiescent centre

(c)

Kappe zone

(d)

Calyptrogen

Select the incorrect statement about casparian strips

(a)

These are bands of thickenings along the radial and tangential walls of endodermal cells

(b)

They prevent plasmolysis of endodermal cells

(c)

These are composed of lignin, suberin and tannins.

(d)

It is not found opposite to proto xylem points

_________ is a antiauxin compound.

(a)

2,4 - D

(b)

2,4,5 -T

(c)

TIBA

(d)

IPA

The term quantosome was coined by________________.

(a)

Emerson

(b)

Warburg

(c)

Steinman Park

(d)

Beggins

10.

Law of limiting factors was proposed by ______________.

(a)

Calvin

(b)

Huber

(c)

Blackman

(d)

Von Maye

11.

F1 particles are called______________.

(a)

quantosome

(b)

cytochromes

(c)

oxysome

(d)

Osmosomes

12.

The term Hydroponis was coined by ________

(a)

Hoagland

(b)

Goerick

(c)

Knop

(d)

Arnon

13.

Kheira disease of Rice is caused due to deficiency of __________

(a)

(b)

(c)

(d)

14.

__________ is not linked to protein - lecithin theory.

(a)

phosphatidic acid

(b)

ATP4

(c)

Choline

(d)

Dehydrogenase

15.

The number of O₂ molecules required for breaking down of one molecule of glucose forglycolysis _________

(a)

(b)

(c)

(d)

16.

1.	J C Bose	(i)	phosphorylase
2.	Strasburger	(i)	Cohesive force
3.	Dixon	(iii)	Crescograph
4.	Hanes	(iv)	Oak tree

(a)

1-iii , 2-iv , 3-i, 4-ii

(b)

1-iii, 2-iv, 3-ii, 4-i

(c)

1-iv, 2-iii,3-ii, 4- i

(d)

1-i , 2-iv , 3-ii ,4-iii

17.

In dicot root, periderm originates from ____________

(a)

cortex

(b)

pericycle

(c)

xylem

(d)

medullary rays

18.

Gum Arabic is got from ___________

(a)

Acacia

(b)

Pinus

(c)

Quercus

(d)

Hevea

19.

The heart normally beats __________ times per minute in a human adult.

(a)

60-62

(b)

50-52

(c)

70-72

(d)

90-92

20.

Which is known as liquid connective tissue?

(a)

plasma

(b)

blood

(c)

serum

(d)

Iymph

21.

Maximuin amount 70-75% of carbon dioxide transport occursa __________

(a)

Dissolved in plasma

(b)

Carbaminohaemoglobin complex

(c)

Bicarbonate

(d)

None of the above

22.

Crown of teeth is covered by ____________

(a)

Dentin

(b)

Enamel

(c)

A and B both

(d)

Non of these

23.

Muscular contraction of alimentary canal are ____________

(a)

Circulation

(b)

Deglutition

(c)

Churning

(d)

Peristalsis

24.

Gradual break down of the thin walls of the alveoli decreasing the total surface area of the gaseous exchange is ________

(a)

bronchitis

(b)

emphysema

(c)

asthma

(d)

tuberculosis

25.

When the frog is in water respiration occurs.

(a)

pulmonary

(b)

gill

(c)

buccal

(d)

cutaneous

26.

Which of the following has cartilagenous endoskeleton with notochord?

(a)

Exocoetus

(b)

Labeo

(c)

Hyla

(d)

Scolidon

27.

DNA hybridization is helpful to ___________

(a)

Identify an individual from a sample of DNA

(b)

Detect difference in homologous DNA sequences

(c)

Measure the degree of genetic similarity between pools of DNA sequences

(d)

Amplify a specific gene

28.

Number of carbon molecule in glucose is___________________

(a)

(b)

(c)

(d)

29.

Which of the following microscope produce 3D-image?

(a)

Phase contrast

(b)

TEM

(c)

SEM

(d)

Dark field

30.

Heterophylly is mainly seen in________________

(a)

xerophytes

(b)

mesophytes

(c)

lithophytes

(d)

hydrophytes

31.

Which of the following organism undergoes regeneration?

(a)

Spirogyra

(b)

Planaria

(c)

Yeast

(d)

Aspergillus

32.

No asters or centrioles are formed in ____________ .

(a)

Anastral

(b)

Amphiastral

(c)

Mitosis

(d)

Meiosis

33.

Match the following

A) Follicle	i) Alyssum
B) Legume	ii) Lady's finger
C) Siliqua	iii) Aristolochia
D) Silicula	iv) Pisum
E) Septicidal	v) Calotropis
F) Loculicidal	vi) Brassica

(a)

A -v), B - iv), C - vi), D -i), E - iii), F - ii)

(b)

A - i), B - ii), C - iii), D - iv), E - v), F - vi)

(c)

A - iii), B - ii), C - i), D - iv), E- vi), F - v)

(d)

A - vi), B - v), C - iv), D - iii), E- ii), F - i)

34.

_________ deaIs with the study of fruits and their cultivation.

(a)

Half inferior ovary

(b)

Mother axis

(c)

Pomology

(d)

Pericarp

35.

_________ are the tools for the taxonomic study such as keys, flora, revisions, catalogues, botanical gardens and herbaria.

(a)

Cladistics

(b)

Cladogram

(c)

Taxonomic aids

(d)

Classification

36.

Compound microscope was invented by___________________________________

(a)

Z. Jansen

(b)

Compound microscope

(c)

Microscope

(d)

Bright field microscope.

37.

Which of the following are found in extreme saline conditions?

(a)

Archaebacteria

(b)

Eubacteria

(c)

Cyanobacteria

(d)

Mycobacteria

38.

Development of sporangium from single initial __________.

(a)

Leptosporangiate

(b)

Eusporangiate

(c)

Sporophores

(d)

Sporomorph

39.

In Opuntia, the spines represent the modification of __________.

(a)

Stem

(b)

Leaves

(c)

Root

(d)

None of the above

40.

The cartilage cells are called _____________

(a)

Chondrocytes

(b)

Osteocytes

(c)

Melanocytes

(d)

Lymphocytes

41.

-------is closely attached to skeletal bones.

(a)

Smooth muscle

(b)

cardiac muscle

(c)

Muscle fibers

(d)

Striped muscle

42.

According to Aristotle, the animals with red blood cells are called _______

(a)

Anaima

(b)

chromista

(c)

Enaima

(d)

Protozoa

43.

Formation of new chemical bonds using ATP as a source of energy is the mode of action of the enzymes.

(a)

Hydrolase

(b)

Isomerase

(c)

Lyase

(d)

Ligase

44.

Number of volumes in genera plantorum ____________

(a)

two

(b)

three

(c)

four

(d)

five

45.

________ is the powerful growth inhibitor

(a)

Ethanol

(b)

Cytokinins

(c)

ABA

(d)

Auxin

46.

Select the wrong statement from the following:

(a)

Formative phase of the cells retain the capability of cell division.

(b)

In elongation phase development of central vacuole takes place.

(c)

In maturation phase thickening and differentiation takes place.

(d)

In maturation phase, the cells grow further.

47.

The compound which links glycolysis and Krebs cycle is _______.

(a)

Succinic acid

(b)

Pyruvic acid

(c)

Acetyl CoA

(d)

Citric acid

48.

During oxidation of two molecules of cytosolic NADH + H⁺, number of ATP molecules produced in plants are _____.

(a)

(b)

(c)

(d)

49.

Identify true statement regarding light reaction of photosynthesis.

(a)

Splitting of water molecule is associate with PS I.

(b)

PS I and PS II involved in the formation of NADPH + H⁺

(c)

The reaction center of PS I is Chlorophyll a with absorption peak at 680 nm.

(d)

The reaction center of PS II is Chlorophyll a with absorption peak at 700 nm.

50.

The correct sequence of flow of electrons in the light reaction is _______.

(a)

PS II, plastoquinone, cytochrome, PS I, ferredoxin.

(b)

PS I, plastoquinone, cytochrome, PS II ferredoxin.

(c)

PS II, ferredoxin, plastoquinone, cytochrome, PS I.

(d)

PS II, plastoquinone, cytochrome, PS II, ferredoxin.

51.

Identify the correct statement
i. Sulphur is essential for amino acids Cystine and Methionine
ii. Low level of N, K, S and Mo affect the cell division
iii. Non-leguminous plant Alnus which contain bacterium Frankia
iv. Denitrification carried out by nitrosomonas and nitrobacter.

(a)

I, II are correct

(b)

I, II, III are correct

(c)

I only correct

(d)

all are correct

52.

Identify correct match.

1. Die back disease of citrus	(i) Mo
2. Whip tail disease	(ii) Zn
3. Brown heart of turnip	(iii) Cu
4. Little leaf	(iv) B

(a)

1(iii) 2 (ii) 3 (iv) 4 (i)

(b)

1 (iii) 2 (i) 3 (iv) 4 (ii)

(c)

1 (i) 2 (iii) 3 (ii) 4 (iv)

(d)

1 (iii) 2 (iv) 3 (ii) 4 (i)

53.

What type of transpiration is possible in the xerophyte Opuntia?

(a)

Stomatal

(b)

Lenticular

(c)

Cuticular

(d)

All the above

54.

In a fully turgid cell _____.

(a)

DPD = 10 atm; OP = 5 atm; TP = 10 atm

(b)

DPD = 0 atm; OP = 10 atm; TP = 10 atm

(c)

DPD = 0 atm; OP = 5 atm; TP = 10 atm

(d)

DPD = 20 atm; OP = 20 atm; TP = 10 atm

55.

The common bottle cork is a product of______.

(a)

Phellem

(b)

Phellogen

(c)

Xylem

(d)

Vascular cambium

56.

In the diagram of lenticel identify the parts marked as i, ii, iii, iv

(a)

i. phellem, ii. Complementary tissue, iii.Phelloderm, iv. Phellogen.

(b)

i. Complementary tissue, ii. Phellem, iii.Phellogen, iv. Phelloderm

(c)

i. Phellogen, ii. Phellem, iii. Phelloderm, iv. complementary tissue

(d)

i. Phelloderm, ii. Phellem, iii. Complementary tissue, iv. Phellogen

57.

Grafting is successful in dicots but not in monocots because the dicots have _______.

(a)

Vascular bundles arranged in a ring

(b)

Cambium for secondary growth

(c)

Vessels with elements arranged end to end

(d)

Cork cambium

58.

Refer to the given figure and select the correct statement.

i. A, B, and C are histogen of shoot apex
ii. A Gives rise to medullary rays.
iii. B Gives rise to cortex
iv. C Gives rise to epidermis

(a)

i and ii only

(b)

ii and iii only

(c)

i and iii only

(d)

iii and iv only

59.

The normal blood glucose level in fasting is ________________ .

(a)

110-140mg/dl

(b)

120-130mg/dl

(c)

70-110mg/dl

(d)

80-130mg/dl

60.

Choose the correct statement

(a)

Mineralocorticoids regulate water and electrolyte balance

(b)

Aldosterone stimulates reabsorption of chloride ions

(c)

Cortisol is a mineralocorticoid

(d)

Laughing increases the adrenaline levels in the body.

61.

Facial nerve is a _________ nerve.

(a)

Sensory

(b)

Mixed

(c)

Motor

(d)

Efferent

62.

When the potential across the axon membrane Is more negative than the normal resting potential, the neuron is said to be in a state of ______.

(a)

Depolarization

(b)

Hyperpolarization

(c)

Repolarization

(d)

Hypopolarization

63.

Which of the following pairings is correct?

(a)

Sensory nerve - afferent

(b)

Motor nerve - afferent

(c)

Sensory nerve - ventral

(d)

Motor nerve - dorsal

64.

Which one of the following statement is correct

(a)

Calcitonin and thymosin are thyroid hormones

(b)

Pepsin and prolactin are secreted in stomach

(c)

Secretin and rhodopsin are polypeptide hormones

(d)

Cortisol and aldosterone are steroid hormones

65.

Which of the following statement about sex hormones is correct?

(a)

Testosterone is produced by Leydig cells under the influence of luteinizing hormone.

(b)

Progesterone is secreted by corpus luteum and softens pelvic ligaments during child birth.

(c)

Oestrogen is secreted by both Sertoli cells and corpus luteum

(d)

Progesterone produced by corpus luteum is biologically different from the one produced by placenta

66.

___________ is known as Brine shrimp.

(a)

Chanos

(b)

Artemia

(c)

Carp

(d)

Pearl spot

67.

The bone is covered by_________________

(a)

endosteum

(b)

metaphysis

(c)

periosteum

(d)

osteoclast

68.

Match the following

A. Collar bone	i. Carpals
B. Wrist bones	ii. Humerus
C. Forearm	iii. Clavicle
D. Upper arm	iv. Radius

(a)

A	B	C	D
i	iii	iv	ii

(b)

A	B	C	D
i	ii	iv	iii

(c)

A	B	C	D
iii	i	iv	ii

(d)

A	B	C	D
iii	iv	ii	i

69.

Prawn belongs to the class ______.

(a)

Crustacea

(b)

Annelida

(c)

Coelenterata

(d)

Echinodermata

70.

Which one of the following is not related to vermiculture?
(a) Maintains soil fertility
(b) Breakdown of inorganic matter
(c) Gives porosity, aeration and moisture holding capacity
(d) Degradation of nonbiodegradable solid waste

(a)

a and b is correct

(b)

c and d is correct

(c)

b and d is not correct

(d)

a and c is not correct

71.

Acetabulum is located in ______.

(a)

collar bone

(b)

hip bone

(c)

shoulder bone

(d)

thigh bone

72.

The functional unit of a muscle fibre is ______.

(a)

sarcomere

(b)

sarcoplasm

(c)

myosin

(d)

actin

73.

Assertion (A): The descending limb of Henle's loop is permeable to water.
Reason (R): Aquaporins are the facilitators for water permeability.

(a)

A and R are wrong

(b)

R does not explain A

(c)

R explains A

(d)

A is right R is wrong

74.

___________part of nephron has evolved to form hypertonic urine.

(a)

Glomerulus

(b)

Loop of Henle

(c)

Proximal convoluted tubule

(d)

Collecting duct

75.

During inspiration, the diaphragm _____.

(a)

expands

(b)

unchanged

(c)

relaxes to become domed-shaped

(d)

contracts and flattens

76.

Intercostal muscles are found between the ______.

(a)

vertebral column

(b)

sternum

(c)

ribs

(d)

glottis

77.

Aldosterone acts at the distal convoluted tubule and collecting duct resulting in the absorption of water through _____.

(a)

Aquaporins

(b)

Spectrins

(c)

GLUT

(d)

Chloride channels

78.

Podocytes are the cells present on the ______.

(a)

Outer wall of Bowman's capsule

(b)

Inner wall of Bowman's capsule

(c)

Neck of nephron

(d)

Wall of glomerular capillaries

79.

Match column I with column II and choose the correct option

Column I	Column II
(P) Small intestine	i) 23 cm
(Q) Large intestine	ii) 4 meter
(R) Oesophagus	iii) 12.5 cm
(S) Pharynx	iv) 1.5 meter

(a)

P	Q	R	S
iv	ii	i	iii

(b)

P	Q	R	S
ii	iv	i	iii

(c)

P	Q	R	S
i	iii	ii	iv

(d)

P	Q	R	S
iii	i	ii	iv

80.

Enterokinase takes part in the conversion of ______.

(a)

Pepsinogen into pepsin

(b)

Trypsinogen into trypsin

(c)

Protein into polypeptide

(d)

Caseinogen into casein

81.

Identify the feature of frog which is absent in human beings

(a)

Aorta is present.

(b)

Circulatory system is closed type.

(c)

Sinus venosus is a triangular chamber present in the heart.

(d)

Blood contains RBC.

82.

An unconscious patient is rushed into the emergency room and needs a fast blood transfusion. Because there is no time to check her medical history or determine her blood type, which type of blood should you as her doctor, give her?

(a)

A^-

(b)

(c)

O⁺

(d)

O^-

83.

Blood group is due to the presence or absence of surface _______.

(a)

Antigens on the surface of WBC

(b)

Antibodies on the surface of RBC

(c)

Antigens on the surface of RBC

(d)

Antibodies on the surface of WBC

84.

Presence of gills in the tadpole of frog indicates that _______.

(a)

fishes were amphibious in the past

(b)

fishes evolved from frog -like ancestors

(c)

frogs will have gills in future

(d)

frogs evolved from gilled ancestor

85.

How many abdominal segments are present in male and female Cockroaches?

(a)

10, 10

(b)

9, 10

(c)

8, 10

(d)

9,9

86.

Prevention of substances from leaking across the tissue is provided by ______.

(a)

Tight junction

(b)

Adhering junction

(c)

Gap junction

(d)

Elastic junction

87.

What type of fibres are found in connective tissue matrix?

(a)

Collagen

(b)

Areolar

(c)

Cartilage

(d)

Tubular

88.

Which of the following statements is incorrect?

(a)

Radial symmetry is seen is Echinoderms

(b)

Taenia is a endoparasite.

(c)

Fasciola is a Eucoelomate

(d)

Mesoglea is seen in Jellyfishes

89.

Which of the following is an egg laying mammal?

(a)

Delphinus

(b)

Macropus

(c)

Ornithorhynchus

(d)

Equus

90.

In which of the following organisms, self fertilization is seen.

(a)

Fish

(b)

Round worm

(c)

Earthworm

(d)

Liver fluke

91.

Cladogram considers the following characters _______.

(a)

Physiological and Biochemical

(b)

Evolutionary and Phylogenetic

(c)

Taxonimic and systematic

(d)

None of the above

92.

Which of the following is not present in same rank?

(a)

Primata

(b)

Orthoptera

(c)

Diptera

(d)

Insecta

93.

How many times is the genetic material replicated during meiosis?

(a)

Twice

(b)

Once

(c)

Four times

(d)

None of the above

94.

Example for negatively geotropic roots __________

(a)

Ipomoea, Dahlia

(b)

Asparagus, Ruellia

(c)

Vitis, Portulaca

(d)

Avicennia, Rhizophora

95.

When the root is thick and fleshy, but does not taken a definite shape, it said to be _________

(a)

Nodulose root

(b)

Tuberous root

(c)

Monilliform root

(d)

Fasiculated root

96.

In an inflorescence where flowers are borne laterally in an acropetal succession the position of the youngest floral bud shall be ______.

(a)

Proximal

(b)

Distal

(c)

Intercalary

(d)

Anywhere

97.

Gynoecium with united carpels is termed as ______.

(a)

Apocarpous

(b)

Multicarpellary

(c)

Syncarpous

(d)

None of the above

98.

Identify the correctly matched pair.

(a)

Actinomycete - Late blight

(b)

Mycoplasma - Lumpy jaw

(c)

Bacteria - Crown gall

(d)

Fungi - Sandal spike

99.

Which one of the following statement about virus is correct?

(a)

Possess their own metabolic system

(b)

They are facultative parasites

(c)

They contain DNA or RNA

(d)

Enzymes are present

100.

An example of feedback inhibition is

(a)

Cyanide action on cytochrome

(b)

Sulpha drug on folic acid synthesiser bacteria

(c)

Allosteric inhibition of hexokinase by glucose-6-phosphate

(d)

The inhibition of succinic dehydrogenase by malonate

101.

The most basic amino acid is

(a)

Arginine

(b)

Histidine

(c)

Glycine

(d)

Glutamine

102.

Match the columns and identify the correct option:

	Column I		Column II
A	Thylakoids	1.	Disc-shaped sacs in Golgi apparatus
B.	Cristae	2.	Condensed structure of DNA
C.	Cisternae	3.	Flat membranous sacs in stroma
D	Chromatin	4.	Infoldings in mitochondria

(a)

A	B	C	D
(iii)	(iv)	(ii)	(i)

(b)

A	B	C	D
(iv)	(iii)	(i)	(ii)

(c)

A	B	C	D
(iii)	(iv)	(i)	(ii)

(d)

A	B	C	D
(iii)	(i)	(iv)	(ii)

103.

The two subunits of ribosomes remain united at critical ion level of _______.

(a)

Magnesium

(b)

Calcium

(c)

Sodium

(d)

Ferrous

104.

Perianth is present in_______.

(a)

Clitoria ternatea

(b)

Datura metel

(c)

Allium cepa

(d)

Pongamia pinnata

105.

Specimen derived from non-original collection serves as the nomenclature type, when original specimen is missing. It is known as ________ .

(a)

Holotype

(b)

Neotype

(c)

Isotype

(d)

Paratype

106.

Colchicine prevents the mitosis of the cells at which of the following stage ______.

(a)

Anaphase

(b)

Metaphase

(c)

Prophase

(d)

Interphase

107.

If mitotic division is restricted in G1 phase of the cell cycle then the condition is known as _____.

(a)

S Phase

(b)

G2 Phase

(c)

M Phase

(d)

G0 Phase

108.

Algae consist of ____like plant body

(a)

hyphae

(b)

thallus

(c)

coiled

(d)

flagella

109.

In gymnosperm endosperm is formed_______.

(a)

At the time of fertilization

(b)

Before fertilization

(c)

After fertilization

(d)

Along with the development of embryo

110.

Which of following represents gametophytic generation in pteridophytes?

(a)

Prothallus

(b)

Thallus

(c)

Cone

(d)

Rhizophore

Match the following

24 x 1 = 24

111.

Succus entericus

112.

Lysozyme

113.

Mucus

114.

Nuclease

115.

Diarrhoea

116.

Jaundice

117.

Constipation

118.

Vomiting

119.

B₁₂Cobalamine

120.

B₆ Pyridoxine

121.

B₅ Niacin

122.

B₁ Thiamine

123.

Bartholin's duct

124.

Piles

125.

Peptic cells

126.

Parietal

127.

Intestinal juice

128.

Protein

129.

Fats

130.

Carbohydrates

131.

Peptic ulcer

132.

Gall stone

133.

Liver cirrhosis

134.

Jaundice

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Multiple Choice Question

110 x 1 = 110

(a)
cattle

(a)
Auto analyser

(a)
Stethoscope

(b)
Sugarcane

(b)
Quiescent centre

(b)
They prevent plasmolysis of endodermal cells

(d)
Beggins

10.

11.

12.

(b)
Goerick

13.

(b)
Zn

14.

(d)
Dehydrogenase

15.

(d)
6

16.

(b)
1-iii, 2-iv, 3-ii, 4-i

17.

(b)
pericycle

18.

(a)
Acacia

19.

20.

(b)
blood

21.

22.

(b)
Enamel

23.

(d)
Peristalsis

24.

(b)
emphysema

25.

(d)
cutaneous

26.

(d)
Scolidon

27.

28.

(b)
6

29.

30.

(d)
hydrophytes

31.

(b)
Planaria

32.

(a)
Anastral

33.

(a)
A -v), B - iv), C - vi), D -i), E - iii), F - ii)

34.

35.

36.

(a)
Z. Jansen

37.

(a)
Archaebacteria

38.

(a)
Leptosporangiate

39.

(b)
Leaves

40.

(a)
Chondrocytes

41.

(d)
Striped muscle

42.

43.

(d)
Ligase

44.

(b)
three

45.

46.

(d)
In maturation phase, the cells grow further.

47.

48.

(b)
4

49.

(b)
PS I and PS II involved in the formation of NADPH + H⁺

50.

(a)
PS II, plastoquinone, cytochrome, PS I, ferredoxin.

51.

(b)
I, II, III are correct

52.

(b)
1 (iii) 2 (i) 3 (iv) 4 (ii)

53.

54.

(b)
DPD = 0 atm; OP = 10 atm; TP = 10 atm

55.

(b)
Phellogen

56.

(a)
i. phellem, ii. Complementary tissue, iii.Phelloderm, iv. Phellogen.

57.

(b)
Cambium for secondary growth

58.

59.

60.

(a)
Mineralocorticoids regulate water and electrolyte balance

61.

(b)
Mixed

62.

63.

(a)
Sensory nerve - afferent

64.

(d)
Cortisol and aldosterone are steroid hormones

65.

(a)
Testosterone is produced by Leydig cells under the influence of luteinizing hormone.

66.

(b)
Artemia

67.

68.

69.

(a)
Crustacea

70.

71.

(b)
hip bone

72.

(a)
sarcomere

73.

74.

(b)
Loop of Henle

75.

(d)
contracts and flattens

76.

77.

(a)
Aquaporins

78.

(b)
Inner wall of Bowman's capsule

79.

(b)

P Q R S

ii iv i iii

80.

(b)
Trypsinogen into trypsin

81.

82.

83.

84.

(b)
fishes evolved from frog -like ancestors

85.

(a)
10, 10

86.

(a)
Tight junction

87.

(a)
Collagen

88.

89.

90.

(d)
Liver fluke

91.

(b)
Evolutionary and Phylogenetic

92.

(d)
Insecta

93.

(b)
Once

94.

(d)
Avicennia, Rhizophora

95.

(b)
Tuberous root

96.

(a)
Proximal

97.

98.

99.

100.

101.

(a)
Arginine

102.

103.

(a)
Magnesium

104.

105.

(b)
Neotype

106.

(b)
Metaphase

107.

(d)
G0 Phase

108.

(b)
thallus

109.

(b)
Before fertilization

110.

(a)
Prothallus

Match the following

24 x 1 = 24

111.

Intestine

112.

Saliva

113.

Goblet cells

114.

Goblet cells

115.

Abnormal frequency of bowel movement and reduced.

116.

Liver is affected and bile pigments deposited in the body

117.

Faeces retains in rectum

118.

Centre in medulla

119.

Pernicious anaemia

120.

Dermatitis

121.

Pellagra

122.

Pernicious anaemia

123.

Duct of rivinis

124.

Haemorrhoids

125.

Oxyntic cells

126.

Zymogen cells

127.

Succus entericus

128.

15% of energy

129.

35% of energy

130.

50% of energy

131.

Asprin

132.

Cholesterol

133.

Viruses

134.

Alcoholism

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