Biology - Mock Test 143

Question 1421

Which one of the following groups of animals is correctly matched with its one characteristic feature without even a single exception?

A) Mammalia : give birth to young ones B) Reptilia : possess 3-chambered heart with one incompletely divided ventricle C) Chordata : possess a mouth provided with an upper and a lower jaw D) Chondrichthyes : possess cartilaginous endoskeleton

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Question 1422

Which of the following statement is correct?

A) Platypus lays eggs B) Camels have biconcave RBCs C) Whales respire by gills D) Bats do not fly

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Question 1423

Which of the following statements is true about Roundworms?

A) Roundworms may reach 5 cm in length. B) They are non-segmented C) They are generally dark-colored. D) They occur only in the soil.

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Question 1424

Which of the following statements is true?

A) Invertebrates posses a tubular nerve cord B) Non chordates have a vertebral column C) All chordates are vertebrates D) All vertebrates are chordates

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Question 1425

Which of the following types of fish is eaten usually by humans?

A) Jawless B) Bony C) Cartilaginous D) all of the above

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Question 1426

Which of the followings are egg laying mammals?

A) Insectivores B) Monotremes C) Marsupials D) Bats

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Question 1427

Which one of the following animals shows discontinuous distribution?

A) Green muscles B) Bats C) Lung fishes D) Pacific salmons

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Question 1428

Why do camels have a long neck?

A) more vertebrae B) vertebral plates between adjoining vertebrae C) increase in size of each vertebra D) cartilage pads between vertebra

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Question 1429

Which one of the following groups of animals is bilaterally symmetrical and triploblastic?

A) Sponges B) Coelenterates (Cnidarians) C) Aschelminthes (round worms) D) Ctenophores

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Question 1430

The ______ are undifferentiated embryonic cells and produce the sex cells as well?

A) Thesocytes B) Myocytes C) Archaeocytes D) Chromocytes

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