Q31
Bilaterally symmetrical and acoelomate animals are exemplified by
Correct Answer
Option A
Solution
(a) Platyhelminthes are bilaterally symmetrical, triploblastic and acoelomate
Animal Kingdom
Q32
Tube feet occur in
Correct Answer
Option B
Solution
(b) Tube feet are locomotory organ in star fishes
Q33
Jellyfish belongs to class
Correct Answer
Option B
Solution
(b) Marine, solitary, bell shaped animals belong to class Scyphozoa
Q34
Which one of the following animals possesses nerve cells but no nerves?
Correct Answer
Option A
Solution
(a) Nerve cells present as network in Hydra but brain and nerves absent
Q35
Malpighian tubules are
Correct Answer
Option A
Solution
(a) Malpighian tubules act as excretory organs in insects
Q36
What is common among silverfish, scorpion, crab and honey bee?
Correct Answer
Option C
Solution
(c) All belong to phylum Arthropoda characterized by jointed appendages
Q37
Metameric segmentation is the characteristic of
Correct Answer
Option B
Solution
(b) Metameric segmentation is present in annelida and arthropoda
Q38
Frogs differ from humans in possessing:
Correct Answer
Option C
Solution
(c) Human possesses enucleated RBCs in mature state
Q39
Which one of the following groups of animals is correctly matched with its one characteristic feature without even a single exception?
Correct Answer
Option C
Solution
(c) Chondrichthyes have cartilaginous skeleton
Q40
Which of the following animals is not viviparous?
Correct Answer
Option B
Solution
(b) Platypus is oviparous
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