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The septal and pharyngeal nephridia open...

The septal and pharyngeal nephridia open into alimentary canal and are of enteronephric type. It is an adaptation for

A

conservation of heat

B

conservation of water

C

regulation of temperature

D

regulation of amino cells

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The correct Answer is:
B
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ARIHANT NEET-STRUCTURAL ORGANISATION IN SOME ANIMALS -CHAPTER EXERCISES (A) TAKING IT TOGETHER (ASSORTED QUESTIONS OF THE CHAPTER FOR ADVANCED LEVEL PRACTICE )
  1. Pheretima posthuma (earthworm) is highly useful as or Most important u...

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  2. Photoreceptors in earthworms occur in

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  3. Intergumentary nephridia of Earthworm occur in

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  4. Pheretima posthuma and Periplanata are similar in which aspect

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  5. Identify A to E in the given diagram of female reproductive sy...

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  6. One of the main functions of frog's skin is

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  7. Which one of the following is not a characteristic feature of frog

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  8. The given figure is related to female reproductive system of fr...

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  9. How do you differentiate a frog from a toad

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  10. Which is correct respiration in Earthworm?

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  11. Earthworms obtain oxygen for respiration through moist skin. They...

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  12. The septal and pharyngeal nephridia open into alimentary canal and are...

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  13. Which one correctly describes the location of body parts in Pheretima?

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  14. Nephrostome occurs in

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  15. The body wall of earthworm is covered by which of the following l...

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  16. Choose the correct statement regarding frog from the following.

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  17. Fenestra ovalid in frog is the

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  18. Acrosome of the sperm of frog helps in fertilization by

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  19. Choose the correct combination of labelling.

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  20. Which one of the following groups of structures// organs have similar...

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