Biology - Comprehensive Mock Test 72

Question 711 Medium

Which one of the following is the true description about an animal concerned?

A) Cockroach – 10 pairs of spiracles (2 pairs on thorax and 8 pairs on abdomen) B) Earthworm – The alimentary canal consists of a sequence of pharynx, oesophagus, stomach, gizzard and intestine C) Frog – Body divisible into three regions - head, neck and trunk D) Rat – Left kidney is slightly higher in position than the right one

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Question 712 Medium

Which one of the following is NOT a characteristic of phylum Annelida?

A) Ventral nerve cord B) Closed circulatory system C) Segmentation D) Pseudocoelom

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Question 713 Medium

All flat worms differ from all round worms in having ?

A) Triploblastic body B) Solid mesoderm C) Bilateral symmetry D) Metamorphosis in the life history

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Question 714 Easy

Air bladder is present in ?

A) Chondrichthyes B) Star fishes C) Actinopterygii D) Flying fishes

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Question 715 Medium

A phenomenon when parasite parasitizes themselves is known as ?

A) Hyperparasitism B) Parasitoids C) Monoxenous parasitism D) Polyxenous parasitism

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Question 716 Medium

Animals, floating and drifting on the surface of water are ______?

A) Benthos B) Pelagic C) Plankton D) Neritic

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Question 717 Easy

In planarians water enters the body by ______?

A) osmosis B) contractile vacuoles C) flame cells D) active transport

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Question 718 Medium

Sharks, skates, and rays are also called ______ fishes?

A) Jawless B) Bony C) Cartilaginous D) Freshwater

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Question 719 Medium

In many animals the rapid change from the immature organism to the adult (change from larva to adult in insects) means ?

A) Cephalization B) Molting C) Metamorphosis D) Endothermy

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Question 720 Medium

Earthworms eliminate cellular wastes and excess water through excretory tubules called ______?

A) Nephridia B) Flame cells C) Coelom D) Gizzard

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