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There are four pairs of spermathecal por...

There are four pairs of spermathecal pores in pheretima which are located in intersegmental grooves between segments

A

5/6, 6/7, 7/8, 8/9

B

6/7, 7/8, 8/9, 9/10

C

14/15, 15/16, 16/17, 17/18

D

1/2, 2/3, 3/4, 4/5

Text Solution

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The correct Answer is:
A
5/6, 6/7, 7/8, 8/9
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AAKASH INSTITUTE-STRUCTURAL ORGANISATION IN ANIMALS (CONTD . . .) (ANIMAL MORPHOLOGY)-Assignment (Section-B)
  1. The earthworms move with the help of

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  2. In earthworm, there is a ring of S-shaped setae, embedded in the epide...

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  3. There are four pairs of spermathecal pores in pheretima which are loca...

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  4. Tick mark the wrong match (in earthworm).

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  5. Which of the following are analogous to vertebrate liver cells ?

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  6. In earthworm, typhlosole extends between 26th and 35th segments. Its f...

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  7. Which of the following statements is incorrect about the circulatory s...

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  8. Tastes in earthworm are present in the segments

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

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

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  11. The dorsal blood vessel in Pheretima is

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  12. In Pheretima, clitellum is primarily meant for

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  13. Lateral oesophageal hearts in earthworm connect

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

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

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

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  17. Photoreceptors (phaosomes) in earthworm occur in

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

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  19. Earthworm is

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  20. In earthworm, pharyngeal nephridia occur in segments

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