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Primary function of enteronephric nephri...

Primary function of enteronephric nephridia of Pheretima is

A

osmoregulation

B

excretion of nitrogenous wastes

C

respiration

D

Iocomotion

Text Solution

Verified by Experts

The correct Answer is:
B

Septal nephridia and pharyngeal nephriadia of earthworm are enteronephric and thus excrete nitrogenous wastes into lumen of alimentary canal/enteron.
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NCERT FINGERTIPS-STRUCTURAL ORGANISATION IN ANIMALS-Structural Organisation In Animals
  1. The figure showing nephridial system of earthworm is given here. Ident...

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  2. Which of the following statements is correct about excretion in earthw...

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  3. Primary function of enteronephric nephridia of Pheretima is

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  4. Which of the following statements is incorrect about the nervous syste...

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  5. Which of the following structures is correctly matched with its descri...

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  6. Which of the following is incorrect fot Pheretima ?

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  7. In the given diagram of the reproductive system of earthworm, Identify...

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  8. Which one of the following structures in Pheretima is correctly matche...

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  9. Match column I with column II and select the correct option from the c...

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  10. The given figure represent heat region of cockroach. In which one of t...

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  11. Which of the following figures shows the mandibles of cockroach ?

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  12. In the mouth parts of a cockroach, the labium forms ul("I") whileul("i...

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  13. Complete the following flowchart by selecting the correct option

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  14. In the given diagram of a leg of cockroach, parts have been indicated ...

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  15. The given figure represents posterior region of male cockroach. Indent...

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  16. Male cockroach differs from female cockroach in having

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  17. The given figure shows alimentary cancal of cockroach. Identify the pa...

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  18. Choose the incorrect pair from the matches given below.

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  19. Read the following statement having two blanks A and B in cockroach, a...

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  20. Read the given paragraph It is lined by glandular and ciliated cells...

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