Biology - Mock Test 136

Question 1351

Which one of the following is oviparous ?

A) Elephant B) Flying fox C) Platypus D) Whale

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Question 1352

The metamorphosis of insects appears to be regulated through ?

A) Thyroxine B) Haemolymph C) Ecdysone D) All the above

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Question 1353

Cnidarians having cells called cnidocytes, contain organelles known as ______?

A) Polymorphism B) Nematocysts C) Hermaphroditism D) None of these

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Question 1354

Order Rhynchocephalia consists of ?

A) Tuataras B) Lizards and snakes C) Turtles and tortoises D) Crocodiles, alligators, caimans

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Question 1355

Phylum mollusca can be distinguished from other invertebrates by the presence of ?

A) Bilateral symmetry and exoskeleton B) A mantle and gills C) Shell and non-segmented body D) A mantle and non-segmented body

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Question 1356

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 1357

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 1358

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 1359

Air bladder is present in ?

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

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Question 1360

A phenomenon when parasite parasitizes themselves is known as ?

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

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