List of top Zoology Questions

Bilateral symmetry is observed in
A. Asterias
B. Bipinnaria
C. Adult gastropods
D. Auricularia Larva
E. Brachiolaria Larva

Choose the common characters shown by the animals of classes Scyphozoa and Anthozoa
A. Mesoglea is non-cellular with amoebocytes
B. Cnidocytes occur in ectoderm and endoderm
C. Germ cells are derived from endoderm
D. Coelenteron is undivided

Identify the correct option
Statement – I: Some insects add glycerol to their blood as antifreezing agent during winter.
Statement – II: Insects are temperature regulators.

Assertion (A): Hemichordata is now placed as a separate phylum under non-chordata.
Reason (R): The stomochord of these animals was once believed to be the notochord.

Assertion (A): Amphibians remained as imperfect group.
Reason (R): Although Amphibians invaded land, they could not adapt completely to terrestrial life.

Assertion (A): Ascaris lumbricoides is a facultative anaerobe.
Reason (R): Ascaris performs either aerobic or anaerobic respiration depending on availability of oxygen.

Rats belong to the class

The spermathecae in earthworm are present in

Identify the correct statement in relation to Paramecium

Prochordate that exhibits bioluminescence

The integral form of the exponential growth equation is

Choose among the following the characters of Ophiuroidea of phylum Echinodermata:

The closest invertebrate relatives of chordates belong to the phylum:

Assertion (A): It is necessary to know the life history of an ascidian to consider it a chordate.
Reason (R): Ascidians exhibit retrogressive metamorphosis in which larval stages are in a degenerated condition.

Protozoan in which cilia are confined only to juvenile stages is:

If a person gets ataxia with an accident, the damaged part of the brain is

Assertion (A): Cardiac muscle is highly resistant to fatigue.
Reason (R): Cardiac muscles are innervated by the somatic nervous system.

The enzyme present in sweat, saliva and tears is