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Questions:

Multiple Choice Question

100 x 1 = 100

The character of birds without exception is ________

(a)

omnivorous

(b)

beak without teeth

(c)

flying wings

(d)

lay eggs with calcareous shells

Fasciola hepatica is

(a)

hermaphrodite. Self fertilizing

(b)

hermaphrodite, cross fertilizing

(c)

unisexual

(d)

both (a) and (b)

Respiratory centre of brain is stimulated by ____________

(a)

Carbon dioxide content in venous blood

(b)

Carbon dioxide content in arterial blood

(c)

Oxygen content in venous blood

(d)

Oxygen content in arterial blood

The chemosensitive area found close to the rhythm centre is highly sensitive to

(a)

CO₂ alone

(b)

H⁺ alone

(c)

O₂

(d)

CO₂ and H⁺

Which of the following is the adaptation of flatworms for the endoparasitic mode of life?

(a)

They are dorsoventrally flattened

(b)

They have hooks, suckers or both

(c)

Their body is not segmented

(d)

They reproduce sexually

Which of the following is not exocrine gland?

(a)

Sweat glands

(b)

Sebaceous glands

(c)

Mammary glands

(d)

Thyroid gland

The ciliated columnar epithelial cells in humans are knows to occur in _________

(a)

Bile duct and oesophagus

(b)

Fallopian tubes and urethra

(c)

Eustachian tube and stomach lining

(d)

Bronchioles and fallopian tubes

Find out the wrong match:

(a)

Eosinophils Allergic response

(b)

Basophils Secrete histamine and serotonin

(c)

Monocytes Secrete heparin

(d)

Lymphocytes Immune response

____________________is an active enzyme with its non-protein component.

(a)

Apoenzyme

(b)

Holoenzyme

(c)

Coenzymes

(d)

Enzymes

10.

DAISY, the cyber tool is ____________

(a)

Digital automated identification system

(b)

Digital automated information system

(c)

Direct automated identification system

(d)

Digital automated identification science

11.

The DNA protein complex present in the centromere is __________ .

(a)

Cyclin

(b)

Kinesis

(c)

MPF

(d)

Kinetochore

12.

Scapigerous inflorescence is seen in __________.

(a)

Allium sativum

(b)

Allium cepa

(c)

Aloevera

(d)

Maenodorum

13.

Cauline buds arise from____________

(a)

root

(b)

stem

(c)

leaf

(d)

nodes

14.

Keel is the characteristic feature of flower of ____________

(a)

Aloe

(b)

tomato

(c)

tulip

(d)

Indigofera

15.

Mesophytes grows on____________.

(a)

sand

(b)

soils with sufficient water

(c)

rocks

(d)

dry habitats

16.

The daughter cells contain half the number of chromosomes ___________ .

(a)

Centromere

(b)

Homologous pairs

(c)

Chromatids

(d)

Haploid state

17.

Two amino acids can react together with the loss of water to form a ________________

(a)

Peptide bond

(b)

Dipeptide

(c)

Polypeptides

(d)

Insulin protein

18.

_____________________________the kinetochore is assembled as a result of protein recognition of specific DNA sequences.

(a)

Holocentric chromosomes

(b)

Point centromere

(c)

Localized centromere

(d)

Regional centromere

19.

Dehiscence through terminal pores_____________.

(a)

Septifragal

(b)

Poricidal

(c)

Denticidal

(d)

Circumscissile

20.

Monocolpate pollen is present in ___________ .

(a)

Dicot

(b)

Monocot

(c)

Gymnosperms

(d)

Pteridophytes

21.

___________is true cyme.

(a)

Simple dichasium

(b)

Compound dichasium

(c)

Polychasial cyme

(d)

Thyrsus

22.

In the year 1911, the classification of viruses is given by ____________.

(a)

David Baltimore

(b)

Staley

(c)

Twort

(d)

d'Herelle

23.

Plasma without fibrinogen is called _________

(a)

Plasma protein

(b)

Serum

(c)

Fibrin

(d)

atheroma

24.

The egg case of cockroach is called _________

(a)

Collateral glands

(b)

spermathecae

(c)

vagina

(d)

Ootheca

25.

Masticated food particles passed into pharynx and then into the oesophagus by the process called _________

(a)

deglutition

(b)

dentition

(c)

mastication

(d)

putrifaction

26.

_______ is called as father of taxonomy.

(a)

Carolus Linnaeus

(b)

Aristotle

(c)

Theophrastus

(d)

John Ray

27.

Who coined the word Bacterium?

(a)

Christian Gram

(b)

C.G.Ehrenberg

(c)

Griffith

(d)

Lederberg

28.

________ is the powerful growth inhibitor

(a)

Ethanol

(b)

Cytokinins

(c)

ABA

(d)

Auxin

29.

If the diameter of the pulley is 12 inches, length of pointer is 10 inches and distance travelled by pointer is 5 inches. Calculate the actual growth in length of plant.

(a)

3 inches

(b)

6 inches

(c)

12 inches

(d)

30 inches

30.

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.

31.

Assertion (A): Oxidative phosphorylation takes place during the electron transport chain in mitochondria.
Reason (R): Succinyl CoA is phosphorylated into succinic acid by substrate phosphorylation.

(a)

A and R is correct. R is correct explanation of A

(b)

A and R is correct but R is not the correct explanation of A

(c)

A is correct but R is wrong

(d)

A and R is wrong.

32.

The compound which links glycolysis and Krebs cycle is _______.

(a)

Succinic acid

(b)

Pyruvic acid

(c)

Acetyl CoA

(d)

Citric acid

33.

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

(a)

(b)

(c)

(d)

34.

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.

35.

For every CO₂ molecule entering the C₃ cycle, the number of ATP & NADPH required ________.

(a)

2ATP + 2NADPH

(b)

2ATP + 3NADPH

(c)

3ATP + 2NADPH

(d)

3ATP + 3NADPH

36.

Match the correct combination.
Minerals Role A Molybdenum 1 Chlorophyll B Zinc 2 Methionine C Magnesium 3 Auxin D Sulphur 4 Nitrogenase

(a)

A B C D 1 3 4 2

(b)

A B C D 2 1 3 4

(c)

A B C D 4 3 1 2

(d)

A B C D 4 2 1 3

37.

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)

38.

Which among the following is correct?
i. Apoplast is fastest and operate in nonliving part.
ii. Transmembrane route includes vacuole.
iii. Symplast interconnect the nearby cell through plasmadesmata.
iv. Symplast and transmembrane route are in living part of the cell

(a)

i and ii

(b)

ii and iii

(c)

iii and iv

(d)

i, ii, iii, iv

39.

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

40.

The common bottle cork is a product of______.

(a)

Phellem

(b)

Phellogen

(c)

Xylem

(d)

Vascular cambium

41.

Usually, the monocotyledons do not increase their girth, because ____.

(a)

They possess actively dividing cambium

(b)

They do not possess actively dividing cambium

(c)

Ceases activity of cambium

(d)

All are correct

42.

When a leaf trace extends from a vascular bundle in a dicot stem, what would be the arrangement of vascular tissues in the veins of the leaf?

(a)

Xylem would be on top and the phloem on the bottom

(b)

Phloem would be on top and the xylem on the bottom

(c)

Xylem would encircle the phloem

(d)

Phloem would encircle the xylem

43.

In Gymnosperms, the activity of sieve cells are controlled by _____.

(a)

Nearby sieve tube members

(b)

Phloem parenchyma cells

(c)

Nucleus of companion cells

(d)

Nucleus of albuminous cells

44.

The olfactory receptor cells are _________ shaped.

(a)

(b)

flask

(c)

egg

(d)

pyramid

45.

Match and identify the wrong pair

Column I	Column II
1. Cushing's Syndrome	Cortisol
2. Addison's disease	Adrenal cortex
3. Acromegaly	TSH
4. Gigantism	GH

(a)

1 and 3

(b)

2 only

(c)

1 and 4

(d)

3 only

46.

The disease _____________ is not related to malfunctioning of Thyroid gland

(a)

Gull's disease

(b)

Graves' disease

(c)

Cretinism

(d)

Tetany

47.

Corpora quadrigemina acts as reflex centre for __________

(a)

Conditional reflexes

(b)

Smelling

(c)

Vision

(d)

Taste

48.

The respiratory centre is present in the _______.

(a)

Medulla oblongata

(b)

Hypothalamus

(c)

Cerebellum

(d)

Thalamus

49.

Assertion(A): The imbalance in concentration of Na⁺, K⁺ and proteins generates action potential.
Reason(R): To maintain the unequal distribution of Na⁺ and K⁺, the neurons use electrical energy.

(a)

Both Assertion and Reason are true and Reason is the correct explanation of the Assertion.

(b)

Both Assertion and Reason are true but the Reason is not the correct explanations of Assertion.

(c)

Assertion is true, but Reason is false.

(d)

Both Assertion and Reason are false

50.

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)

Low secretion of growth hormone

(b)

Cancer of the thyroid gland

(c)

Over secretion of pars distalis

(d)

Deficiency of iodine in diet

51.

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

52.

Bombyx mori is divided into three races depending on _____________

(a)

silk produced

(b)

length of caterpillar

(c)

voltinism

(d)

cocoon formation

53.

Choose the correct statement.
(i) The female lac insect is larger than male.
(ii) The insect is a parasite.
(iii) Immature harvesting produces 'Ari lac'.
(iv) Lac is a good insulator.

(a)

i, ii, iii

(b)

all the above

(c)

ii and iv

(d)

i and iii

54.

Choose the structure made of 8 bones

(a)

Cervical region of vertebral column

(b)

Tarsal

(c)

Cranium

(d)

Metacarpals

55.

A human skeletal system has ___________bones.

(a)

203

(b)

206

(c)

205

(d)

210

56.

Assertion: The best quality of the pearl is known as Linga pearl and obtained from marine oysters.
Reason: Nacre is secreted continuously by the epithelial layer of the mantle and deposited around the foreign particle.

(a)

Assertion is true, Reason is false

(b)

Assertion and Reason are false

(c)

Assertion is false But Reason is true

(d)

Assertion and Reason are true

57.

Match the following.

1. Bombyx mori	(i) Champa	(I) Muga
2. Antheraea assamensis	(ii) Mulberry	(II) Eri
3. Antheraea mylitta	(iii) Arjun	(III) Tassar
4. Attacus ricini	(iv) Castor	(IV) Mulberry

Select the correct one.

(a)

1 – ii – IV

(b)

2 – iii – II

(c)

3 - i - I

(d)

4 - iv - III

58.

Appendicular skeleton is ______.

(a)

girdles and their limbs

(b)

vertebrae

(c)

skull and vertebral column

(d)

ribs and sternum

59.

Muscles are derived from _____.

(a)

ectoderm

(b)

mesoderm

(c)

endoderm

(d)

neuro ectoderm

60.

Every 100mL of deoxygenated blood delivers ______________ of carbon dioxide to the alveoli for elimination.

(a)

10mL

(b)

8mL

(c)

4mL

(d)

20mL

61.

________________is not a symptom of glomerulonephritis.

(a)

Hypertension

(b)

Haematuria

(c)

Proteinuria

(d)

Renal colic pain

62.

___________part of nephron has evolved to form hypertonic urine.

(a)

Glomerulus

(b)

Loop of Henle

(c)

Proximal convoluted tubule

(d)

Collecting duct

63.

The Oxygen Dissociation Curve is ______.

(a)

sigmoid

(b)

straight line

(c)

curved

(d)

rectangular hyperbola

64.

What will happen if the stretch receptors of the urinary bladder wall are totally removed?

(a)

Micturition will continue

(b)

Urine will be continue to collect normally in the bladder

(c)

There will be micturition

(d)

Urine will not collection the bladder

65.

A person who is on a long hunger strike and is surviving only on water, will have

(a)

Less amino acids in his urine

(b)

Macula densa cells

(c)

Less urea in his urine

(d)

More sodium in his urine

66.

Reverse peristals is refers to ______________

(a)

Swallowing

(b)

Egestion

(c)

Vomiting

(d)

Coughing

67.

Deglutition refers to ________________

(a)

swallowing

(b)

assimilation

(c)

absorption

(d)

egestion

68.

Assertion : (A) Large intestine also shows the presence of villi like small intestine.
Reason : (B) Absorption of water takes place in large intestine.

(a)

Both A and B are true and B is the correct explanation of A

(b)

Both A and B are true but B is not the correct explanation of A

(c)

A is true but B is false

(d)

A is false but B is true

69.

Enterokinase takes part in the conversion of ______.

(a)

Pepsinogen into pepsin

(b)

Trypsinogen into trypsin

(c)

Protein into polypeptide

(d)

Caseinogen into casein

70.

60 - 65% of total WBC consists of___________________

(a)

Eosinophils

(b)

Granulocytes

(c)

Neutrophils

(d)

Basophils

71.

In earthworm the female genital aperture lies on the ventral side in the ___________ segment.

(a)

15th

(b)

14th

(c)

10th

(d)

12th

72.

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^-

73.

Which one of the following plasma proteins is involved in the coagulation of blood?

(a)

Globulin

(b)

Fibrinogen

(c)

Albumin

(d)

Serum amylase

74.

Choose the wrong statement among the following :

(a)

In earthworm, a single male genital pore is present.

(b)

Setae help in locomotion of earthworms.

(c)

Muscular layer in the body wall of earthworm is made up of circular muscles only

(d)

Typhlosole is part of the intestine of earthworm

75.

Buccopharyngeal respiration in frog ______.

(a)

is increased when nostrils are closed

(b)

Stops when there is pulmonary respiration

(c)

is increased when it is catching fly

(d)

stops when mouth is opened.

76.

Name the disease in which the person finds it difficult to remember recent events and has mood swings

(a)

Parkinson's disease

(b)

Ehlers- Danlos syndrome

(c)

Alzheimer's disease

(d)

Sjogren's syndrome

77.

Sea squirts refers to______________

(a)

Hemichordates

(b)

Vertebrates

(c)

Jelly fishes

(d)

Urochordates

78.

Cladogram considers the following characters _______.

(a)

Physiological and Biochemical

(b)

Evolutionary and Phylogenetic

(c)

Taxonimic and systematic

(d)

None of the above

79.

Every unit of classification regardless of its rank is _____.

(a)

Taxon

(b)

Variety

(c)

Species

(d)

Strain

80.

Microtubules are made up of a protein called ________.

(a)

Myosin

(b)

Nexin

(c)

Actin

(d)

Durable protein

81.

Curcuma amada, Curcuma domestica, Asparagus, Maranta are example of __________

(a)

Tuberous root

(b)

Beaded root

(c)

Moniliform root

(d)

Nodulose root

82.

Example for negatively geotropic roots __________

(a)

Ipomoea, Dahlia

(b)

Asparagus, Ruellia

(c)

Vitis, Portulaca

(d)

Avicennia, Rhizophora

83.

Binomial system of nomenclature was introduced by ...........

(a)

Linnaeus

(b)

Bauhin

(c)

de Candolle

(d)

Engler

84.

A true fruit is the one where ______.

(a)

Only ovary of the flower develops into fruit

(b)

Ovary and calyx of the flower develops into fruit

(c)

Ovary, calyx and thalamus of the flower develops into fruit

(d)

All floral whorls of the flower develops into fruit

85.

Aggregate fruit develops from _____.

(a)

Multicarpellary, apocarpous ovary

(b)

Multicarpellary, syncarpous ovary

(c)

Multicarpellary ovary

(d)

Whole inflorescence

86.

Identify the correctly matched pair.

(a)

Actinomycete - Late blight

(b)

Mycoplasma - Lumpy jaw

(c)

Bacteria - Crown gall

(d)

Fungi - Sandal spike

87.

The correct statement regarding Blue green algae is ______.

(a)

lack of motile structures

(b)

presence of cellulose in cell wall

(c)

absence of mucilage around the thallus

(d)

presence of floridean starch

88.

Proteins perform many physiological functions. For example some functions as enzymes. One of the following represents an additional function that some proteins discharge:

(a)

Antibiotics

(b)

Pigment conferring colour to skin

(c)

Pigments making colours of flowers

(d)

Hormones

89.

Enzymes that catalyse interconversion of optical, geometrical or positional isomers are ______________

(a)

Ligases

(b)

Lyases

(c)

Hydrolases

(d)

Isomerases

90.

Many cells function properly and divide mitotically even though they do not have.

(a)

plasma membrane

(b)

cytoskeleton

(c)

mitochondria

(d)

plastids

91.

Sequences of which of the following is used to know the phylogeny.

(a)

mRNA

(b)

rRNA

(c)

tRNA

(d)

HnRNA

92.

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

(a)

Magnesium

(b)

Calcium

(c)

Sodium

(d)

Ferrous

93.

Flowers are zygomorphic in ______.

(a)

Ceropegia

(b)

Thevetia

(c)

Datura

(d)

Solanum

94.

Perianth is present in_______.

(a)

Clitoria ternatea

(b)

Datura metel

(c)

Allium cepa

(d)

Pongamia pinnata

95.

The taxonomy which involves the similarities & dissimilarities among the immune system of different taxa is termed as ______.

(a)

Chemotaxonomy

(b)

Molecular systematics

(c)

Serotaxonomy

(d)

Numerical taxonomy

96.

Centromere is required for ______.

(a)

transcription

(b)

crossing over

(c)

cytoplasmic cleavage

(d)

movement of chromosome towards pole

97.

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

98.

Xylem vessels are seen in ____

(a)

Selaginella

(b)

Gnetum

(c)

Cycas

(d)

Pinus

99.

In gymnosperm endosperm is formed_______.

(a)

At the time of fertilization

(b)

Before fertilization

(c)

After fertilization

(d)

Along with the development of embryo

100.

Which of following represents gametophytic generation in pteridophytes?

(a)

Prothallus

(b)

Thallus

(c)

Cone

(d)

Rhizophore

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Answers Key:

Multiple Choice Question

100 x 1 = 100

(a)
omnivorous

(d)
both (a) and (b)

(d)
Oxygen content in arterial blood

(d)
CO₂ and H⁺

(b)
They have hooks, suckers or both

(d)
Thyroid gland

(d)
Bronchioles and fallopian tubes

(b)
Holoenzyme

10.

(a)
Digital automated identification system

11.

(d)
Kinetochore

12.

(b)
Allium cepa

13.

(b)
stem

14.

15.

(b)
soils with sufficient water

16.

(d)
Haploid state

17.

(b)
Dipeptide

18.

(b)
Point centromere

19.

(b)
Poricidal

20.

(b)
Monocot

21.

(a)
Simple dichasium

22.

(a)
David Baltimore

23.

(b)
Serum

24.

(d)
Ootheca

25.

(a)
deglutition

26.

(b)
Aristotle

27.

(b)
C.G.Ehrenberg

28.

29.

(a)
3 inches

30.

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

31.

(b)
A and R is correct but R is not the correct explanation of A

32.

33.

(b)
4

34.

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

35.

36.

37.

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

38.

(d)
i, ii, iii, iv

39.

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

40.

(b)
Phellogen

41.

(b)
They do not possess actively dividing cambium

42.

(a)
Xylem would be on top and the phloem on the bottom

43.

44.

(a)
pin

45.

(d)
3 only

46.

(d)
Tetany

47.

48.

(a)
Medulla oblongata

49.

(a)
Both Assertion and Reason are true and Reason is the correct explanation of the Assertion.

50.

(a)
Low secretion of growth hormone

51.

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

52.

53.

(b)
all the above

54.

55.

(b)
206

56.

(d)
Assertion and Reason are true

57.

(a)
1 – ii – IV

58.

(a)
girdles and their limbs

59.

(b)
mesoderm

60.

61.

(d)
Renal colic pain

62.

(b)
Loop of Henle

63.

(a)
sigmoid

64.

(a)
Micturition will continue

65.

66.

67.

(a)
swallowing

68.

(d)
A is false but B is true

69.

(b)
Trypsinogen into trypsin

70.

71.

(b)
14th

72.

73.

(b)
Fibrinogen

74.

75.

(d)
stops when mouth is opened.

76.

77.

(d)
Urochordates

78.

(b)
Evolutionary and Phylogenetic

79.

(a)
Taxon

80.

(b)
Nexin

81.

(d)
Nodulose root

82.

(d)
Avicennia, Rhizophora

83.

(b)
Bauhin

84.

(a)
Only ovary of the flower develops into fruit

85.

(a)
Multicarpellary, apocarpous ovary

86.

87.

(a)
lack of motile structures

88.

(d)
Hormones

89.

(d)
Isomerases

90.

(d)
plastids

91.

(b)
rRNA

92.

(a)
Magnesium

93.

(a)
Ceropegia

94.

95.

96.

(d)
movement of chromosome towards pole

97.

(d)
G0 Phase

98.

(b)
Gnetum

99.

(b)
Before fertilization

100.

(a)
Prothallus

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