Q.1.
Who raised the status of hemichordates from subphylum to phylum?
Q.2.
Earthworm has no skeleton but during burrowing the anterior end becomes turgid and act as a hydraulic skeleton. It is due to
Q.3.
Choanocytes occur in:
Q.4.
The animal in which sexes can be differentiated from external morphology is
Q.5.
Select the correct statements
Q.6.
Most primitive animals are
Q.7.
Cuttlefish is a
Q.8.
Respiration in Crustacea is carried out by
Q.9.
How many of the statements are not true regarding annelida? (i) Found in marine, freshwater and terrestrial habitat. (ii) Mostly free living and some parasitic forms. (iii) Both longitudinal and circular muscles aid in locomotion. (iv) Metamerically segmented and acoelomate animals. (v) Both sexual and asexual mode of reproduction.
Q.10.
Which pairing is correct?
Q.11.
In a sponge the whole inner surface of the asconoid is lined by:
Q.12.
Match the following:
Column I Column II
a Pennatula 1 Brain coral
b Meandrina 2 Sea fan
c Gorgonia 3 Sea pen
d Adamsia 4 Sea anemone
Q.13.
Mouthparts of housefly are
Q.14.
Which of the following is false:
Q.15.
In mollusca, eye is present over a stalk called
Q.16.
Which is not a member of Echinodermata?
Q.17.
Ambulacral system is characteristic of
Q.18.
Trochophore larva is found in
Q.19.
Which process does not occur in Hydra?
Q.20.
Diagnostic character of the phylum Echinodermata is the presence of
Q.21.
Hard shell, muscular body, ommatophores and foot are description about
Q.22.
epas, Limulus, Lepisma and Scolopendra have jointed appendages. Which of the below set of organisms are aquatic and respire through gills
Q.23.
Which is correct in sponges?
Q.24.
Liver Fluke belongs to class
Q.25.
Respiratory organ in scorpion is
Q.26.
What distinguishes an insect from crustacean?
Q.27.
Pick out the incorrect statement:
Q.28.
Puncturing elements in mouthparts of female Anopheles are
Q.29.
The body of hemichordate is cylindrical and consists of:
Q.30.
Nephridia and setae are seen in