Zoology Full length Test (2024)

Zoology Full length TestContact Number: 9667591930 / 8527521718

zoology - Section A

1.

Presence of gills in the tadpole of frog indicates that
1. fishes were amphibian in the past
2. fishes evolved from frog-like ancestors
3. frogs will havegills in future
4. frogsevolvedfromgilledancestors

2.

Which of these structures contributes the greatest percentage to sem*n ?
1. Bulbourethral glands
2. Prostate
3. Seminal vesicles
4. Testes

3.

Thickening of arteries due to cholesterol deposition is:
(1) atherosclerosis
(2) rheumatic heart
(3) blood pressure
(4) cardiac arrest

4.

A plant population that reproduces by self - pollination is an extreme example of :

(1) the bottleneck effect
(2) the founder effect
(3) rapid gene flow
(4) assortative mating

5.

Arrange the following enzymes/ processes in the order of their use for a certain experiment of genetic engineering:
1) ligase,
2) restriction enzyme
3)desired gene
4) Transformation
5) Expression
1. 3-2-1-4-5
2. 1-2-4-5-3
3. 3-1-4-5-2
4. 2-5-4-3-1

6.

If we are able to link an alien piece of DNA with ……a…...We can multiply it's number equal to the copy number of
…a…..
1. a- bacteriophage
2. a- Plasmid
3. a- bacteriophage or Plasmid
4. a- prion

7.

Which of the following substances are not reabsorbed by active means of transport?
1.Glucose
2.Amino Acids
3.Nitrogenous waste
4.Na+

8.

The release of urine does not take place by

(1) Contraction of smooth muscles of the bladder
(2) Simultaneous relaxation of urethral sphincter
(3) Relaxation of smooth muscels of the bladder
(4) Both B and C

9.

Appendicular skeleton does not carry

(1) Bones of the limbs
(2) Girdles
(3) Clavicle
(4) Sternum

10.

The gaps between two adjacent myelin sheath are called

(1) Nodes of Ranvier
(2) Axon terminal
(3) Synaptic knob
(4) Schwan cell

11.

The respiratory centre is highly sensitive for
1. CO_2­
2. O_2­
3. H⁺ ions
4. Both A and C

12.

Which one of the following mammalian cells are not capable of metabolising glucose to carbon dioxide aerobically?

13.

The amount of air that is left in the lungs after maximum exhalation is called as:
1. Expiratory reserve volume
2. Functional residual capacity
3. Expiratory capacity
4. Residual volume

14.

Osteoporosis, in a post-menopausal woman, is most directly due to the deficiency of:
1. Progesterone
2. Estrogen
3. LH
4. FSH

15.

One of the examples of the action of the autonomous nervous system is -
1. Knee-jerk reponse
2. Pupillary reflex
3. Peristalsis of the intestines
4. Swallowing of food

16.

Find the correct statement
(1) Macromolecules have molecular weight ranging from 10,000 Daltons and above except lipids
(2) Macromolecules have molecular weight ranging from 1000 Daltons and above except lipids
(3) Lipids comes under soluble fraction
(4) Fatty acid is the monomer of lipids

17.

The sequence of amino acids forms the _________ structure of the protein; the left end amino acid is ___ terminal amino acid and the right end amino acid is ____ terminal amino acid.
1. Primary, N, C
2. Primary, C, N
3. Tertiary, N, C
4. Tertiary, C, N

18.

Which of the following is true for Golden rice?

19.

The structure shown in the given diagram is characteristically seen in the Phylum:

(1) Porifera
(2) Ctenophora
(3) Cnidaria
(4) Molluska

20.

The level of polypeptide folding in which the primary sequence coils around itself, stabilized by regularly spaced hydrogen bonds, is called:
1. primary structure
2. alpha helix
3. beta sheet
4. tertiary structure

21.

The cells responsible for humoral adaptive immune responses proliferate and differentiate into plasma cells in the:

22.

Which of the following structures or substances is
incorrectly paired with a tissue ?
1. Haversian system—bone
2. platelets—blood
3. fibroblasts—skeletal muscle
4. chondroitin sulfate—cartilage

23.

A peptide hormone which causes dilation of blood vessels and decreases blood pressure is
1. Aldosterone
2. Adrenaline
3. Vasopressin
4. Atrial Natriuretic factor

24.

Which of the following event indicates the completion of the meiotic division of the secondary oocyte?
1. The contact of the sperm with the ovum
2. The secretion of the acrosome which help the sperm to enter the cytoplasm of theovum through zona pellucida and plasma membrane
3. Transport of sperms to ampullary isthmic junction
4. The release of ovum from the ovary

25.

Cranial capacity of Australopithecus was
1 350-450 cm³
2 650-700 cm³
3 850-900 cm³
41500-1600 cm³

26.

Triploblastic with organ system grade, coelomate and unsegmented animals are seen in
1. Echinodermata
2. Arthropoda
3. Ctenophora
4. Platyhelminthes

27.

Chronic use of alcohol for long duration causes
1 AIDS
2 Cirrhosis
3 Gonorrhoea
4 Ascariasis

28.

Most enzymes consist of two parts i.e.
1. Holoenzyme and prosthetic group
2. Enzyme and coenzyme
3. Apoenzyme and enzyme
4. Apoenzyme and cofactor

29.

Choose the correct set which includes the fishes which have four pairs of gills covered by an operculum, air bladder, streamlined body, cycloid and ctenoid scales
a. Exocoetus
b. Pristis
c. Carcharodon
d. Pterophyllum
1. a & b
2. a & c
3. b & c
4. a & d

30.

Which of the following event can be related to the repolarisation of nerve fiber?
1. Opening up of K⁺ gated channel
2. Opening up of Cl^-gated channel
3. Closure of Na⁺ gated channel
4. Both 1 & 3

31.

Presence of Ketone bodies in urine are indicative of
1. ARDS
2. Acute Renal failure
3. Diabetes Mellitus
4. Snakebite

32.

Identify the basic amino acid from the following.
1. Glutamic Acid
2. Lysine
3. Valine
4. Tyrosine

33.

The partial pressure of ${\mathrm{O}}_2$ and ${\mathrm{CO}}_2$ in the arterial blood respectively is
1. 40 mmHg and 45 mmHg
2. 100 mmHg and 45 mmHg
3. 95 mmHg and 40 mmHg
4. 45 mmHg and 40 mmHg

34.

A probe is
1. Single-stranded DNA only
2. Single-stranded RNA only
3. Single-stranded DNA or RNA tagged with a radioisotope
4. Double-stranded DNA tagged with a radioisotope

35.

Match the column I and column II with respect to types of epithelial tissue and their function.
Column-I Column-II
a. Glandular epithelium (i) Secretes hormones and milk
b. Squamous (ii) Forms a diffusion epithelium boundary
c. Columnar epithelium (iii) Helps in secretion and absorption
d. Ciliated epithelium (iv) Responsible for movement of ova and mucus
Choose the correct option.
1. a(i), b(ii), c(iii), d(iv)
2. a(ii), b(iii), c(iv), d(i)
3. a(iii), b(iv), c(i), d(ii)
4. a(iv), b(i), c(ii), d(iii)

zoology - Section B

36.

Which of the following does not play any role in calcium balance in the human body?
1. Vitamin-D
2. Parathyroid hormone
3. Thyrocalcitonin
4. Thymosin

37.

In bacteria, the plasmid is:
1. Extrachromosomal material
2. Main DNA
3. Non-functional DNA
4. Repetitive gene

38. Consider the given two statements:

39. Identify the incorrect statement regarding fallopian tubes:

40. Match column-I with column-II and select the correct option:

1. a(iii), b(i), c(ii), d(iv)
2. a(i), b(ii), c(iii), d(iv)
3. a(iii), b(iv), c(i), d(ii)
4. a(iii), b(iv), c(ii), d(i)

41. Which of the following statements is correct about in vivo fertilisation?

42. Match column-I with column-II and choose the correct option:

1. a(i), b(ii), c(iii), d(iv)
2. a(ii), b(i), c(iv), d(iii)
3. a(iv), b(iii), c(ii), d(i)
4. a(ii), b(iii), c(iv), d(i)

43. Match List I with List II

Choose the correct answer from the options given below:

44. Choose the incorrect statement regarding ZIFT.

45. Cardiac output is

46. Which of the following is mismatched?

47. Destruction of adrenal cortex results in disease known as
1. Addison's disease
2, Cushing's disease
3. Exopthalmic goiter
4. Conn's disease

48. ‘Rosie’ is a transgenic cow which produces milk rich in than normal cow. Select the option which fills the blank correctly
1. α₁-antitrypsin
2. Streptokinase
3. Human α-lactalbumin
4. Hirudin

49. Each immunoglobin has two heavy chains and two light chains. The antigen binding site is found in
1. Variable region of heavy chain
2. Variable region of light chain
3. Constant region of light chain
4. Variable region of both heavy and light chain

50. Use of spermicidal creams, jellies and foams along with diaphragms, cervical caps and vaults leads to
1. Increased contraceptive efficiency
2. Prevention of ovulation
3. Prevention of implantation
4. Increased sexual desire and drive

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