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During copulation in earthworms, sperms ...

During copulation in earthworms, sperms are transferred between copulating individuals from

A

Female genital pore of sperrmathecae

B

Male genital pores to spermathecae

C

Spermathecae to cocoon

D

Male genital pores to outside

Text Solution

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The correct Answer is:
B
Male genital pores to spermathecae
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Fill up the blanks in the following paragraph by selecting the correct option. During copulation (coitus) semen is released by the penis into the vagina and is called (i)._____.the ovum released by the ovary is transported to the (ii)._____where (iii).______takes place during fertilisation, a sperm comes in contact with the zona pellucida layer of the ovum and induces changes in the membrane that block the entry of (iv)._____The secretions of the (v)._____help the sperm enter into the cytoplasm of the ovum.

A: During copulation, two earthworms mutually exchange sperms. R: the sperms are stored temporarily in the spermathecae.

AAKASH INSTITUTE ENGLISH-STRUCTURAL ORGANISATION IN ANIMALS (CONTD . . .) (ANIMAL MORPHOLOGY)-Assignment (Section-B)
  1. Which of the following statements is incorrect about the circulatory s...

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  2. Tastes in earthworm are present in the segments

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  3. During copulation in earthworms, sperms are transferred between copula...

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  4. All the following statements are correct about the reproductive system...

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  5. The flow of blood in the dorsal blood vessel of earthworm is

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  6. In Pheretima, clitellum is primarily meant for

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  7. Lateral oesophageal hearts in earthworm connect

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  8. Flow of blood in the ventral vessel of earthworm is

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  9. The ventral surface of mature earthworm can be distinguished from dors...

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  10. Which of the following parts of gut occupies most part of the 8th segm...

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  11. Photoreceptors (phaosomes) in earthworm occur in

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  12. By which of the following nephridia excretion is exonephric?

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  13. Earthworm is

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  14. Pharyngeal nephridia of Pheretima are found in segments

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  15. Periplaneta americana and Blatta orientalis differ mainly from each ot...

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  16. In cockroach, the body in spite of being covered by an exoskeleton of ...

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  17. Wings are vestigial in (a) Male Blatta (b) Female Blatta (c) Male ...

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  18. In cockroach, elytra are articulated to the tergiles of (a) Prothorax...

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  19. Which of the following affect the heat of reaction?

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  20. Position of head in relation to body axis of cockroach is known as (a)...

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