List of top Zoology Questions asked in AP EAPCET

Match the following

List-I		List-II
A.	Parasitic castration	I.	Sacculina
B.	Gigantism	II.	Larvae of liver fluke
C.	Hyperplasia	III.	Fasciola in sheep bile duct
D.	Hypertrophy	IV.	Plasmodium

Assertion (A): Genetic drift tends to reduce the amount of genetic variation within the population.
Reason (R): In genetic drift alleles with low frequencies are removed in a population.

These are involved in differentiation of cells of immune system.

It is a green house gas

Which enzymes play a key role in target cell destruction during cell mediated immunity?

MHC class II molecules are primarily found on

Match the following:

Animal	Class
A) Feather star	V) Crinoidea
B) Acorn worm	IV) Enteropneusta
C) Pearl oyster	I) Bivalvia
D) Millipede	III) Diplopoda

Statement-I: Areolar tissue forms supporting framework for lymphoid organs.
Statement-II: Reticular tissue forms the packing tissue in almost all organs.

Ontogeny repeats phylogeny. It was the

Following are different stages in blood clotting. Arrange them in correct sequence:
[I)] Activation of prothrombin
[II)] Formation of prothrombin activator
[III)] Conversion of fibrinogen into soluble fibrin
[IV)] Clot retraction
[V)] Conversion of soluble fibrin into insoluble fibrin threads

Study the following and pick up the correct statements:
In DNA fingerprinting, DNA is cut into small pieces at specific sites by restriction endonucleases.
Transfer of DNA strands on to the nylon membrane is called southern blotting.
The largest known human gene codes for the protein dystrophin.
Least number of genes are located in Y-chromosome.

Parasite that causes African sleeping sickness:

Match the following:

Method of sex determination

A) XX – XY
B) XX – XO
C) ZW – ZZ
D) ZZ – ZO

Example

I) Grasshoppers
II) Birds
III) Human beings
IV) Moths
V) Honey bees

Identify the correct match:

Study the following and pick up the correct combinations

S.No.	Group	Salient Feature	Example
I	Aves	Pneumatic bones	Columba
II	Mammalia	Corpus callosum	Macaca
III	Reptilia	Epidermal scales	Calotes
IV	Chondrichthyes	Cartilagenous skeleton	Scoliodon

S.No.	Cranial nerves	Arises from ...	Ends in ...
I.	Olfactory nerves	Olfactory epithelium of nasal chambers	Temporal lobes of cerebrum
II.	Optic nerves	Retina of eyes	Cerebellum
III.	Auditory nerves	Internal ears	Cerebrum
IV.	Pathetic nerves	Floor of mid brain	Superior oblique muscle of eye ball

Table 1: List of Cranial Nerves: Their Origins and End Points

Statement-I: In articular cartilages, perichondrium is present.
Statement-II: Intervertebral discs contain fibrous cartilage.
Identify the correct option from the following:

In cockroach, thermoreceptor sensillae are located on

Study the following statements and pick up the incorrect statements.
I. Oriented locomotor movement of an organism towards or away from the direction of light is called photokinesis.
II. The influence of light on non-directional movement of organisms is called phototaxis.
III. UV-B and UV-C rays are more harmful than UV-A rays.
IV. Photoperiod influences the migration of birds.

Number of flagella in Giardia

The measurement of the overall diversity for different ecosystems within an ecological region is

Which of the following is an intra uterine device (IUD)?

In these leucocytes, nucleus is kidney shaped.

Somatostatin is secreted by

Assertion (A): In the polluted area, Birmingham, black peppered moths were abundant. In the non-polluted area, Dorset, grey forms were abundant.
Reason (R): Natural selection.
Identify the correct option from the following

Assertion (A): Binary fission in Euglena is called symmetrogenic division.
Reason (R): Plane of fission in Euglena is at right angles to the longitudinal axis of the body.

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