Which of the following pairs is incorrect?

D. Fish – Internal fertilization

A. Frog – External fertilization

B. Reptiles – Internal fertilization

C. Birds – Internal fertilization

D. Fish – Internal fertilization

Everyday Science · Zoology & Animal Kingdom · page 17 of 46

Classes of Animals MCQs with Answers

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Classes of Animals MCQs (161–170)

10 MCQs with answers and a short one-liner. Hide answers to test yourself.

Past paper MCQs in this chapter · See all past papers

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161.
Which of the following pairs is incorrect?
Correct Answer: D. Fish – Internal fertilization
One-liner
The incorrect pair is Fish – Internal fertilization, because most fish exhibit external fertilization where eggs are fertilized outside the female's body in water.
162.
Which one of the following incorrectly shows the types of vertebrates through its examples?
Correct Answer: A. Mammal → Shark
One-liner
Mammal → Shark is incorrect because sharks are cartilaginous fish (Class Chondrichthyes), not mammals.
163.
Which of the following orders of amphibians includes salamanders?
Correct Answer: B. Urodela
One-liner
Salamanders belong to the order Urodela (also called Caudata), which includes all tailed amphibians.
164.
Maximum mammalian characters are present in these ?
Correct Answer: C. Eutherians
One-liner
Maximum mammalian characters are present in Eutherians (placental mammals).
165.
Which of the following pair is incorrect?
Correct Answer: D. Monkey : Polytities
One-liner
The pair Monkey : Polytities is incorrect because monkeys belong to the order Primates, not "Polytities" (which is not a valid taxonomic term).
166.
Snails and slugs are included in _ class of phylum Mollusca.
Correct Answer: A. Gastropoda
One-liner
Snails and slugs belong to the class Gastropoda of phylum Mollusca.
167.
Which connecting link between reptiles and birds?
Correct Answer: D. Archaeopteryx
One-liner
Archaeopteryx is the connecting link between reptiles and birds, exhibiting features of both groups.
168.
Past Paper MCQ
Which animal is a member of the cat family?
Correct Answer: A. Leopard
One-liner
The Leopard is a member of the cat family (Felidae).
169.
True and complete metamorphosis occurs in _?
Correct Answer: B. Moth
One-liner
True and complete metamorphosis occurs in moth, which passes through four distinct stages: egg, larva, pupa, and adult.
170.
Tube feet, respiratory tree, and papillae are present in which of the following?
Correct Answer: C. Holothuroidea
One-liner
Tube feet, respiratory tree, and papillae are characteristic features of class Holothuroidea (sea cucumbers).

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Classes of Animals MCQs with Answers

Classes of Animals MCQs (161–170)

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