Zoology Full length Test (2024)

Zoology Full length TestContact Number: 9667591930 / 8527521718

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zoology - Section A

Identify the incorrect statement regarding surgical birth control methods:

1.	They are also called as "sterilization" procedures
2.	In males, vasectomy and in females, tubectomy is advised
3.	They are terminal methods to prevent any more pregnancies
4.	These methods are hugely popular all over the world

A and B in the pBR 322, shown in the diagram given below, respectively represent recognition sequences of:

1. BamH I and Sma I
2. Hind II and Sma I
3. BamH I and SaI I
4. SaI I and Hind II

Given below is the representative evolutionary history of vertebrates through geological periods.A, B, C, and D respectively are:

	A	B	C	D
1.	Dinosaurs	Thecodonts	Therapsids	Pelycosaurs
2.	Dinosaurs	Therapsids	Thecodonts	Pelycosaurs
3.	Pelycosaurs	Therapsids	Thecodonts	Dinosaurs
4.	Therapsids	Dinosaurs	Pelycosaurs	Thecodonts

Low Ca²⁺ in the body fluid may be the cause of
1. tetany
2. anaemia
3. angina pectoris
4. gout

The cell juctions called tight, adhering and gap junctions are found in
(1) muscular tissue
(2) connective tissue
(3) Epithelial tissue
(4) neural tissue

Restriction enzymes:
1. are endonucleases which cleave DNA at specific sites
2. make DNA complementary to an existing DNA or RNA
3. cut or join DNA fragments
4. are required in vectorlessdirect gene transfer

What is true for surgical methods?
I. Also called sterilization
II. Terminal method of contraception
III. Block gamete transport
IV. Called vasectomy in females and tubectomy in males
V. High reversibility and contraceptive efficiency
1. I, II, III, IV
2. I, II, III, V
3. I, II, III, IV, V
4. I, II, III

Gap junction-

(1) Facilitate the cells to communicate with each other
(2) Connects cytoplasm of adjoining cells
(3) Never allows transfer of big molecules
(4) More than one option is correct.

Assertion : In vertebrates, the liver is also referred as an accessory excretory organ.
Reason : Liver helps kidneys in the secretion of urine.
1. Both A & R are true and the R is the correct explanation of the A.
2. Both A & R are true but the R is not the correct explanation of the A.
3. A is true statement but R is false.
4. Both A and R are false statements.

10.

The vaccine for Hepatitis B developed through genetic engineering is a
a. First generation vaccine
b. Second generation vaccine
c. Third generation vaccine
d. Fourth generation vaccine

11.

Acrosome is

(1) Part of sperm head
(2) Caps the anterior portion of haploid nucleus
(3) Has enzymes for fertilization
(4) All of these

12.

On first day of standard cycle, which pituitary hormone is more in amount?

(1) FSH
(2) LH
(3) Estrogen
(4) Progesterone

13.

A common cause of pneumonia in humans is:

(1) Streptococcus pyogenes
(2) Haemophilus influenzae
(3) Staphylococcus aureus
(4) Rotavirus

14.

Selectable marker helps
1. To identify transformants
2. To identify recombinants
3. To identify non- recombinants
4. To eliminate transformants

15.

Podocytes are not
1.Arranged in intricate manner
2.Left with some spaces called filtration slits
3.Having slit pores
4.Found in 2nd layer of filtration membrane

16.

Autonomic Neural system relays impulses
1. From skeletal muscles to CNS
2. From CNS to skeletal muscles
3. From visceral muscles to CNS
4. From CNS to visceral muscles

17.

In a neuron, if stimulus is given at point A then in which direction does current flow?

(1) From site A to site B on innerside
(2) From site A to site B on outerside
(3) From site B to site A on innerside
(4) Both 1 and 2

18.

Thalamus is not

(1) Something around which Cerebrum wraps
(2) a major coordinating centre for sensory and motor signaling.
(3) Both 1 and 2
(4) A part of midbrain

19.

Limbic system needs coordination from which of the following brain part to control sexual behavior?

(1) Cerebellum
(2) Hypothalamus
(3) Medulla
(4) Pons

20.

Which of the following is the pitch of B-DNA
(1)34Angstrom
(2)34 nanometre
(3)34 picometre
(4)34 femtometre

21.

Which of the following is responsible for the formation of primary polypeptide?
(1) Peptide bond
(2) Hydrogen bonding
(3) Di-sulphide bond
(4) Ionic bond

22.

The number of correct statements amongst the given statements is:

I.	Cardiac muscles are striated and involuntary.
II.	Myosin head is an active ATPase enzyme.
III.	The neurotransmitter released at the neuromuscular junction is acetylcholine.
IV.	White muscle fibers depend on anaerobic process for energy.
V.	Functional unit of muscle contraction is the sarcomere.

1. 2
2. 3
3. 4
4. 5

23.

The evolutionary process giving rise to new species adapted to new habitats and ways of life is called adaptive radiation. For example,
1. Darwin's finches in Galapagos Islands.
2. Australian marsupials that radiated to form new species.
3. Wolf and Tasmanian wolf.
4. Both 1 and 2.

24.

Which of the following is Mollusc?
1. Cuttle fish
2. Chiton
3.Cucumaria
4. More than one option is correct

25.

Identify the incorrectly matched pair:

	Joint type	Example
1.	Hinge	Knee
2.	Pivot	Between atlas and axis vertebra
3.	Gliding	Between the metacarpals
4.	Saddle	Between carpal and metacarpal of thumb

26.

If insufficient PTH is produced, the blood calcium level drops, resulting in ______.
1. reduced growth in childhood or parathyroid dwarfism
2. tetany, where the body shakes from continuous muscle contraction
3. osteoporosis
4. blood clotting

27.

Genetic drift is most powerful in
1. changing environments
2. small populations
3. large populations
4. stable environments

28.

Which of the following characteristics is not correct for squamous epithelium?
1. Made up of a single thin layer of flattened cells.
2. Cells with irregular boundaries.
3. Free surface contains microvilli.
4. Involved in a function like forming diffusion boundary.

29.

The longest bone of the body is
1. Phalanges
2. Tarsal
3. Femur
4. Metatarsal

30.

Which of the following enzymes is used in the case of fungus to cause the release of DNA along with other macromolecules?
1. Lysozyme
2. Cellulose
3. Chitinase
4. Amylase

31.

Which of the following respiratory centre does not play role in basic respiratory rhythms but under enhanced respiratory drive, the respiratory signals of this centre fulfil the demand by regulating both inspiration and expiration?
1. Pneumotaxic centre
2. Apneustic centre
3. Dorsal respiratory group
4. Ventral respiratory group

32.

Match the following parts of a nephron with their function:

(a)	Descending limb of Henle's loop	(i)	Reabsorption of salts only
(b)	Proximal convoluted tubule	(ii)	Reabsorption of water only
(c)	Ascending limb of Henle's loop	(iii)	Conditional reabsorption of sodium ions
(d)	Distal convoluted tubule	(iv)	Reabsorption of ions, water, and organic nutrients

Select the correct option from the following:

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

33.

A fragment of nucleic acid (DNA or RNA) that can be used to identify, usually through autoradiography, specific DNA or RNA molecules bearing the complementary sequence is called:

1.	Vector	2.	Probe
3.	Selectable marker	4.	Reporter gene

34.

Oxygen dissociation curve of haemoglobin will shift to right of normal curve if
1. Temperature decreases
2. CO $_{2}$ decreases
3. pH decreases
4. BPG is low

35.

The QRS complex in a standard ECG represents:
1. Depolarisation of auricles
2. Depolarisation of ventricles
3.Repolarisation of ventricles
4. Repolarisation of auricles

zoology - Section B

36.

Scrotum helps in maintaining the temperature of the testes which is A lower than the normal body temperature. Each testis has about B compartments called testicular lobules. Select the option that fills the blanks correctly.
A B
1. 1-3°C 300
2. 2-2.5°C 250
3. 3-3.5°C 250
4. 2-2.5°C 350

37.

The disease in which the pathogenic infection produces hemozoin granules resulting in high fever in the body is
1. Filariasis
2. Ascariasis
3. Amoebiasis
4. Malaria

38.

Inulin is a polymer of
1. Fructose
2. Glucose
3. Mannose
4. Ribose

39.

Match List - I with List - II

List-I	List-II
(a) Metamerism	(i) Coelenterata
(b) Canal system	(ii) Ctenophora
(c) Comb Plates	(iii) Annelida
(d) Cnidoblasts	(iv) Porifera

Choose the correct answer from the options given below:

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

40.

Erythropoietin, hormone which stimulates R.B.C. formation, is produced by:

1.	The cells of bone marrow
2.	Juxtaglomerular cells of the kidney
3.	Alpha cells of the pancreas
4.	The cells of the rostral adenohypophysis

41. Choose the incorrect match from the following

1.	Relaxin	-	Secreted by corpus lutem
2.	Morula	-	Embryo with 8-16 celled satges
3.	Trophoblast	-	Outer layer of blastocyst
4.	Parturition	-	Duration of human pregnancy

42.
Given below are two statements:

Assertion(A):	A patient suffering from atherosclerosis complains of acute chest pain
Reason(R):	It is likely that not enough oxygen is reaching the heart muscles due to the narrowing of coronary vessels leading to ischemia

1.	Both(A)and(R)are true and(R)is the correct explanation of(A).
2.	Both(A)and(R)are true but(R)is not the correct explanation of(A).
3.	(A)is true but(R)is false.
4.	Both(A)and(R)are false.

43. For normal fertility, at least what per cent of sperms must have normal shape, size and vigorous motility?
1. 60%
2. 40%
3. 24%
4. 12%

44. Consider the given statements and select the option that correctly states them as true (T) or false (F)
a. Amniocentesis is a non - invasive sex determination technique
b. Abortion may be spontaneous or induced
c. No single, ideal method of birth control exists.
d. Due to tubal ligation, the primary oocyte cannot pass through the uterine tubes

	a	b	c	d
1.	T	T	F	F
2.	F	T	T	F
3.	T	F	T	T
4.	F	F	T	T

45. A 55 year old female met with an accident that results in fracture due to her decreased bone mass. The most likely reason for decreased bone mass is
1. Normal estrogen level in blood
2. Low PTH in blood
3. Low calcium in bones due to low estrogen
4. Increased progesterone in blood

46. During inspiration, the volume of thoracic cavity increases because of

1.	Contraction of diaphragm and external intercostal muscles
2.	Relaxation of diaphragm and external intercostal muscles
3.	Contraction of diaphragm and relaxation of external intercostal muscles
4.	Relaxation of diaphragm and contraction of external intercostal muscles

47. A special neural centre that can moderate the cardiac function is located in
1. Cerebrum
2. Pons
3. Medulla oblongata
4. Cerebellum

48. Select the incorrect statement.

1.	Polyethylene glycol method is used for gene transfer without a vector
2.	In India about 12 recombinant therapeutics are presently being marketed
3.	Despite being produced in bacteria the structure of recombinant insulin is absolutely identical to that of natural molecule
4.	Bacillus thuringiensis is used as a bioweapon in today's world

49. 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

50. Choose the correct option which supports physical barriers of innate immunity.
1. B lymphocytes produce immunoglobulins in response to pathogen attack.
2. PMNL, macrophages, lymphocytes in tissue can 'phagocytose and destroy microbes
3. Saliva in the mouth prevents microbial growth
4. Mucous in urogenital tracts helps in trappingmicrobes entering our body

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