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Flow of blood in the ventral vessel of e...

Flow of blood in the ventral vessel of earthworm is

A

forwards

B

backwards

C

backwards in half of it and forwards in another half

D

none of these

Text Solution

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The correct Answer is:
B
backwards
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AAKASH INSTITUTE ENGLISH-STRUCTURAL ORGANISATION IN ANIMALS (CONTD . . .) (ANIMAL MORPHOLOGY)-Assignment (Section-B)
  1. In Pheretima, clitellum is primarily meant for

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  2. Lateral oesophageal hearts in earthworm connect

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

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

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

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  6. Photoreceptors (phaosomes) in earthworm occur in

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

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  8. Earthworm is

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  9. Pharyngeal nephridia of Pheretima are found in segments

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

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

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

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

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

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

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  16. Endoskeletal structure present in the head is (a) Apodeme (b) Tentor...

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  17. Periplaneta has mosaic vision. Each ommatidium is composed of followin...

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  18. Which of the following is a wrong match in cockroach?

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  19. Movement of which muscles can alter the pericardial space in cockroach...

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  20. Number of segments in cockroach leg : (a) Five (b) Three (c) Six ...

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