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Given below are four statements A to D, ...

Given below are four statements A to D, select the option in which two statements are correct?
A: In earthworms deelopment is indirect and the larva is trochophore larva.
B: A mutual exchange of sperms occurs between two worms during mating.
C: Fertilisation is internal occurs within the cocoon deposited in soil
D: About 3 weeks are required for development, each cocoon produces two to twenty baby worms with an average of four.

A

A & B

B

B & C

C

B & D

D

C & D

Text Solution

Verified by Experts

The correct Answer is:
C

B & D
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AAKASH INSTITUTE-STRUCTURAL ORGANISATION IN ANIMALS (CONTD . . .) (ANIMAL MORPHOLOGY)-Exercise
  1. All the following statemnts are correct about the reproductive system ...

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  2. The main function of clitellum is

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  3. Given below are four statements A to D, select the option in which two...

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  4. On the basis of nitrogenous waste, the earthworm is

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  5. Earthworm has a central nerve cord which is

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  6. Which of the following statement is incorrect about the circulatory sy...

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  7. Which of the following is not a correct match of the part of alimentar...

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  8. Mark the incorrect statement about the body wal of earthworm

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  9. In earthworm spermathecal sperture are sitated on the ventro-lateral s...

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  10. Which of the following is mismatched?

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  11. Which of the following structure is present only in male cockroach?

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  12. In cockroach the wings that help in flying are

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  13. Mark the false statement w.r.t. cockroach

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  14. The development of Periplaneta americana is

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  15. Conglobate glands are also called

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  16. In cockroach, the ootheca is formed by the secretion of

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  17. Mark the false statement w.r.t the reproductive system of female cockr...

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  18. In Cockroach, conglobate gland occurs in

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  19. Mark the false statement regarding the heart of cockroach

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  20. The longest bone of leg of cockroach is

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