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Which of the following statements is not...

Which of the following statements is not correct about earthworm?

A

It shows metamerism, and the number of segments varies from 100-120

B

The first segment at the anterior end of the body is called as the 'buccal segment' for peristomilus

C

The first segment is prostomium

D

the skin of earthworm is brown due to the presence o porphyrin

Text Solution

Verified by Experts

The correct Answer is:
C
The first segment is prostomium
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AAKASH INSTITUTE-STRUCTURAL ORGANISATION IN ANIMALS (CONTD . . .) (ANIMAL MORPHOLOGY)-Assignment (Section-B)
  1. Which of the following statements is not correct about earthworm?

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  2. The earthworms move with the help of

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

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

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

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

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

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

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  9. Tastes in earthworm are present in the segments

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

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

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  12. The dorsal blood vessel in Pheretima is

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  13. In Pheretima, clitellum is primarily meant for

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  14. Lateral oesophageal hearts in earthworm connect

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

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

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

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  18. Photoreceptors (phaosomes) in earthworm occur in

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

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  20. Earthworm is

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