31. Cleavage in mammals

A Holoblastic equal
B Holoblastic unequal
C Superficial
D Discoidal
Answer :   Holoblastic equal
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32. Order squamata consists of

A Crocodile
B Lizards and Snakes
C Bats
D Turtles and Pangolin
Answer :   Lizards and Snakes
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33. Which type of vertebrae occurs in fishes

A Aceoelus
B Procoelus
C Amphicoelus
D None of the above
Answer :   Amphicoelus
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34. Which one of the following groups of strucutres/organs have similar function

A Typholosle in earthworm, intestinal villi in rat and contractile vacuole in Amoeba
B Nephridia in earthworm, Malpighain tubules in cockroach and urinary tubules in rat
C Antennae of cockroach, tympanum of frog and clitellum of earthworm
D Incisors of rat, gizzard (proventriculus) of cockroach and tube feet of starfish
Answer :   Nephridia in earthworm, Malpighain tubules in cockroach and urinary tubules in rat
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35. Echinoderms are Heartless, brainless headless eyt from evolutionary point of view, they have been placed on the top of the invertebrate phyla because of the presence in them of

A Powr of reproduction
B Great powr of regeneratioin
C Exclusively marine
D Presence of enterocoel
Answer :   Presence of enterocoel
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36. Nauplius larva is characteristic of class

A Insecta
B Myriapoda
C Crustacea
D Arachnida
Answer :   Crustacea
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37. Which of the following animals does not undergo metamorphosis?

A Earthworm
B Tunicate
C Starfish
D Moth
Answer :   Earthworm
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38. Which of the following belongs to the class Amphineura

A Chton
B Nautilus
C Dentalium
D Pinctada
Answer :   Chton
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39. Nutrition in Ascaris is

A Sapro zoic
B Parasiti
C Holozoic
D Mixotrophic
Answer :   Holozoic
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40. Which is not an adaptation of parasitic life is flat worms

A Flat body
B Thick cuticle on body
C Production of eggs in great number
D Presence of hook
Answer :   Flat body
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