List of top Zoology Questions

The universal donor blood group is:

In hymenopteran insects the unfertilized eggs develop into:

Identify the correct option: Statement-I (S-I): Test tube baby undergoes development within the test tube.
Statement-II (S-II): In IVF-ET method, fertilization occurs inside the body.

One of the following is not a part of light band of myofibril.

Find out the primary lymphoid organ from the following:

Choose among the following that are cellular barriers of immunity:

Arrange in sequence the following events related to the mechanism of hearing:

• Hair cells bend and press against Tectorial membrane.
• The induction of ripple in basilar membrane.
• Eardrum vibrates in response to sound waves.
• Impulses transmitted to brain.
• Transmission of vibrations through ear ossicles.

One of the following is not a second messenger in hormone action:

Identify the correct match of the gland with its respective hormone and its function.

Sino-Atrial Node (SAN) is situated in

Prochordate that exhibits bioluminescence

The integral form of the exponential growth equation is

Find out the correct match Set I A. Carbohydrates
B. Proteins
C. Fats
D. Nucleic acids
Set II i. Nucleosides, Phosphates
ii. Glucose, Fructose, Galactose
iii. Amino acids
iv. Fatty acids, glycerols

Identify the correct option
Statement I: Haemoglobin binds with oxygen in oxygen-rich areas and leaves CO2.
Statement II: Haemoglobin is an amphoteric compound.

Identify the structure found in the early embryonic stages of amniotes that provides a clue to their aquatic ancestry.

Identify the correct statement in relation to Paramecium

Mild tertian malaria is caused by

Assertion (A): Life cycle of ectoparasites is more complex with many developmental stages.
Reason (R): Developmental stages of endoparasites have better chances to reach definitive host.

Among the following, nocturnal periodicity is exhibited by

In microtubules, the peripheral doublets are interconnected by linkers called

Assertion (A): Mary Mallon was nicknamed as 'Typhoid Mary'.
Reason (R): Mary Mallon spread typhoid for several years through the food she prepared.

The gene that is believed to play a key role in human language expression is

The spermathecae in earthworm are present in

Choose the correct combination among the following

• A. Bivalvia - Radula - Rasping organ
• B. Scaphopoda - Captacula - Capture of food
• C. Pelecypoda - Crystalline style - Digestion of starch
• D. Cephalopoda - Osphradium - Water purity testing