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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

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The correct Answer is:
B
backwards
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AAKASH INSTITUTE-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. In earthworm, pharyngeal nephridia occur 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. Vestigial wings are found in

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  13. In cockroach, elytra are ariticulated to the tergites of

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  14. Which mouth part of cockroach acts as upper lip?

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

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  16. Endoskeletal structure present in the head is

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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 :

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