Q51
A larval stage occurs in the life history of all members of the group
Correct Answer
Option D
Solution
(d) A larval stage occurs in the life history of butterfly, frog and mosquito.
Animal Kingdom
Q52
Mucus helps frog in forming
Correct Answer
Option D
Solution
(d) Mucus helps frog in forming moist skin necessary for cutaneous respiration during hibernation.
Q53
All vertebrates possess
Correct Answer
Option B
Solution
(b) Dorsal hollow nervous system is one of the important features of vertebrates.
Q54
Gorilla, Chimpanzee, Monkeys and Humans belong to the same
Correct Answer
Option D
Solution
(d) Gorilla, Chimpanzee, Monkeys and Man belong to same order Primates of class mammalia.
Q55
What is common in Whale, Bat and Rat?
Correct Answer
Option B
Solution
(b) Diaphragm is present in mammals as a muscular separator between thorax and abdominal region.
Q56
The flightless bird Cassowary is found in
Correct Answer
Option B
Solution
(b) Flightless birds are restricted to the islands of Australia and New Guinea.
Q57
Functionwise, just as there are nephridia in an earthworm, so are
Correct Answer
Option C
Solution
(c) Flame cells in liver fluke are the excretory organs.
Q58
Pneumatic bones are expected to be found in
Correct Answer
Option A
Solution
(a) Birds have pneumatic bones connected to the bird's respiratory system.
Q59
The long bones are hollow and connected by air passages. These are characteristics of
Correct Answer
Option C
Solution
(c) Hollow bones are characteristic adaptive features of birds.
Q60
Indicate the correct statement
Correct Answer
Option D
Solution
(d) Duck-billed platypus is an egg laying mammal.
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