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The primitive kidneys of invertebrates a...

The primitive kidneys of invertebrates are called:

A

protonephridia

B

Mesonephridia

C

Meganephridia

D

malpighian tubules

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The correct Answer is:
A
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PREMIERS PUBLISHERS-EXCRETION-OTHER IMPORTANT QUESTIONS & ANSWERS (CHOOSE THE CORRECT ANSWER )
  1. Mammals and terrestrial amphibians mainly excrete urea and are called:

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  2. Each kidney of human weighs about ............ gms.

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  3. The primitive kidneys of invertebrates are called:

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  4. The granular cells of the juxta glomerular apparatus, secrete an enzy...

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  5. The process of release of urine from the bladder is called ………

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  6. The formation of hard stone like masses in the renal tubules of renal ...

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  7. The renal stone is formed mainly by the accumulation of:

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  8. Renal stones can be removed by techniques like:

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  9. Urine is a transparent yellowish fluid, because of the presence of the...

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  10. Animals that excrete of its nitrogen in the form of ammonia are called...

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  11. Animals such as reptiles, birds and insects excrete uric acid crystal...

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  12. Excretory organ of platyhelminthes is …………………. .

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  13. ...................... are the excretory structures in insects

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  14. ...... are the structural and functional unit of kidneys.

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  15. Absense of …………. In Amphibians and fresh water fishes , produce dilute...

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  16. The ureter, blood vessels and nerves innervate the kidney through:

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  17. The biosynthesis of urea takes place in:

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  18. Defects in ADH receptors or inability to secrete ADH leads to a condit...

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  19. Increase in amount of urea in blood is called:

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  20. ......... is not a symptom of Renal failure.

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