List of top Zoology Questions

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

Match the following:

List–I	List–II
A. Ball and socket joint	I. Inter carpal joint
B. Hinge joint	II. Between humerus and Pectoral girdle
C. Pivot joint	III. Between carpals and metacarpals
D. Gliding joint	IV. Between atlas and axis
	V. Knee joint

These structures of human heart are functional in embryonic stage, but are non functional in adult stage.

Pick the incorrect match.

Assertion (A): Gastric juice plays an important role in absorption of vitamin B12.
Reason (R): Gastric juice contains Castle’s intrinsic factor.
Identify the correct option from the following:

The bacterium converts nitrites into nitrates.

Match the following pollutants with their corresponding control methods.

Pollutants Control
A) Particulate matter I) Catalytic converter
B) Carbon monoxide II) Scrubber
C) Sulphur dioxide III) Incinerators
D) Hospital wastes IV) Electrostatic precipitator

Study the following statements regarding osmoregulatory adaptations in marine and freshwater fish and identify the correct statements:
Statements
I. Marine fishes actively excrete excess salt through their gills.
II. Freshwater fishes have glomerular kidneys.
III. Marine fishes face the problem of exosmosis.
IV. Freshwater fishes have salt-excreting chloride cells.

The last part of the proctodaeum in a cockroach is:

Statement I: First pair of wings in cockroach help in flight and are called tegmina.
Statement II: In cockroach, arolia help in locomotion on smooth surfaces; plantulae help on rough surfaces.

Pick the wrongly matched pair:

Parasite that causes African sleeping sickness:

Match the parasites with their infective stages in humans:

Parasites	Infective stage
A) Entamoeba histolytica	I) Tetranucleate cyst
B) Plasmodium vivax	II) Sporozoite
C) Ascaris lumbricoides	III) 2nd stage Rhabditiform larva
D) Wuchereria bancrofti	IV) 3rd stage Microfilaria

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.

Filopodia are found in which of the following organisms?

Study the following and pick up the correct combinations:

Sl.No.	Classes	Features	Examples
I	Osteichthyes	Filamentous gills	Scoliodon
II	Amphibia	Sternum appeared first time	Ichthyophis
III	Reptiles	Temporal fossae	Bungarus
IV	Aves	Corpus callosum in brain	Corvus

Match the following:

Zoological Name		Common Name
A) Pila		I) Apple snail
B) Lepisma		II) Silver fish
C) Daphnia		III) Water flea
D) Aranea		IV) Spider

It is the fore-runner of thyroid gland of vertebrates:

Identify the flatworms among the following non-chordate animals:

I. Euspongia
II. Aurelia
III. Beroe
IV. Taenia
V. Wuchereria
VI. Convoluta

Choose the correct option:
Statement I: Synaptic transmission occurs from presynaptic to postsynaptic neuron.
Statement II: Presynaptic membrane contains receptors for neurotransmitters.

Study the following and identify the correct option.
Statement I: The juxtaglomerular cells release renin in response to decreased blood pressure.
Statement II: Renin directly acts on distal convoluted tubule, leading to increased blood pressure.

Neurilemma around axon of a neuron is formed by:

Find the mismatched pair:

Assertion (A): Arthropods are schizocoelomates
Reason (R): Coelom in arthropods is formed by splitting of mesoderm

Which of the following is not an alien species in India?