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The number of spiracles in Periplaneta a...

The number of spiracles in Periplaneta americana is

A

Ten

B

Twenty

C

Eight

D

Six

Text Solution

Verified by Experts

The correct Answer is:
B
Twenty
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AAKASH INSTITUTE ENGLISH-STRUCTURAL ORGANISATION IN ANIMALS (CONTD . . .) (ANIMAL MORPHOLOGY)-Assignment (Section-B)
  1. The correct sequence of arrangements of segments in the leg of cockroa...

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  2. Structure that helps the cockroach to walk on smooth surfaces is (a) T...

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  3. The number of spiracles in Periplaneta americana is

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  4. The function of stomodeal valve in the gut of the cockroach is to prev...

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  5. Which of the two parts in cockroach are fundamentally similar in struc...

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  6. Ootheca in periplanata americana is secreted by

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  7. The movement of a gene from one linkage group to another is called

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  8. Conglobate organ is a part of male reproductive system of

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  9. The number of ganglia in the abdominal nerve-cord of cockroach is

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  10. The frog 's body is divisible into

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  11. Which of the following statement is not true?

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  12. Which of the following is present in the skin of frog? (a) Serous glan...

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  13. Total number of vertebrae in frog is

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  14. Which of the following vertebra is amphicoelous type in frog?

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  15. The digital formula for the hind limbs of frog is

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  16. Frog is

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  17. The capacity of amphibians to change color is called

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  18. Which is not true about frog?

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  19. Bidder's canal in frog is present in

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  20. During active period, maximum respiratory activity is through

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