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Photoreceptors (phaosomes) in earthworm ...

Photoreceptors (phaosomes) in earthworm occur in

A

Epidermis of dorsal body wall and prostomium

B

Epidermis of ventral body wall

C

both 1 and 2

D

Epidermis of prostomium only

Text Solution

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The correct Answer is:
A
Epidermis of dorsal body wall and prostomium
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AAKASH INSTITUTE ENGLISH-STRUCTURAL ORGANISATION IN ANIMALS (CONTD . . .) (ANIMAL MORPHOLOGY)-Assignment (Section-B)
  1. The ventral surface of mature earthworm can be distinguished from dors...

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

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  3. Photoreceptors (phaosomes) in earthworm occur in

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

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  5. Earthworm is

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  6. Pharyngeal nephridia of Pheretima are found in segments

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

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

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

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

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

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

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

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

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

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

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

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  18. The main function of blood vascular system in cockroach is (a) Distrib...

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  19. The correct sequence of arrangements of segments in the leg of cockroa...

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  20. Structure that helps the cockroach to walk on smooth surfaces is (a) T...

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