Biology - Mock Test 140

Question 1391

The cells absent in gastrodermis of Hydra are ?

A) Gland cells B) Stinging cells C) Nutritive cells D) Nerve cells

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Question 1392

The radially symmetrical cnidarians have a ______ body in two distinct layers ?

A) sac-like B) bilateral C) flattened D) symmetrical

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Question 1393

Which one of the following statements about certain given animals is correct?

A) Flat worms (Platyhelminthes) are coelomates B) Round worms (Aschelminthes) are pseudocoelomates C) Mollusks are acoelomates D) Insects are pseudocoelomates

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Question 1394

Who wrote the book ‘Systema Naturae’?

A) Lamarck B) Darwin C) Wallace D) Linnaeus

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Question 1395

Phylum that doesn't have a true coelom is ?

A) Platyhelminthes B) Annelida C) Echinoderms D) Arthropoda

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Question 1396

The clam nervous system is composed of ?

A) labial palps B) one pair of ganglia C) two pairs of ganglia D) three pairs of ganglia

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Question 1397

Polymorphism occurs in animals of the class ?

A) Hydrozoa B) Anthozoa C) Scyphozoa D) Gastropoda

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Question 1398

A common feature of tracheae of Cockroach and mammal is that both have ?

A) Ciliated inner lining B) Non-collapsible walls C) Paired nature D) Origin from head

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Question 1399

Which of the following possesses post anal tail?

A) Spider B) Scorpion C) Cockroach D) Cobra

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Question 1400

A true coelom is lined on all sides by ?

A) Ectoderm B) Mesoderm C) Endoderm D) Ectoderm and endoderm

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