List of top Zoology Questions

One of the following is not associated with male reproductive system of man.

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

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

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:

Ontogeny repeats phylogeny. It was the

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

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

Number of flagella in Giardia

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.

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

In these leucocytes, nucleus is kidney shaped.

Study the following statements and pick up the incorrect statements.
I. Haemophilia is an X-linked disorder due to dominant genes.
II. Inheritance of colour blindness follows the cris-cross pattern.
III. Haemophilia A and Haemophilia C are X-linked disorders.
IV. Y-linked genes are called holandric genes.

Statement-I: In cockroach, mycetocytes of fat bodies secrete fats.
Statement-II: Haemocytes in cockroach are phagocytic.

Somatostatin is secreted by

Match the following hormones with their corresponding disorders:

Hormone	Disorder
A) Thyroxine	I. Addison's disease
B) Vasopressin	II. Diabetes mellitus
C) Glucocorticoids	III. Acromegaly
D) Somatotropin	IV. Myxedema
	V. Diabetes insipidus

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.

Flagellum in Paramecium is of this type

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

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

Study the following regarding circulatory system of cockroach and identify the correct option
Statement I : The cockroach heart is a tubular structure with 13 chambers.
Statement II : Haemolymph in cockroach plays a role in oxygen transportation.