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Insects have ................ for excret...

Insects have ................ for excretion.

A

flame cells

B

Malpighian tubules

C

solenocytes

D

green glands

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Malphigian tubules
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With regards to toxicity and the need for dilution in water, how different are ureotelic and uricotelic excretions? Give examples of animals that use these types of excretion. Ureotelism: 1. The process of excreting urea is called ureotelism. 2.Animals which are found in places where water availability is not abundant have this mode of excretion. 3. They convert Ammonia produced in the body into urea in the liver and release it to the blood. This is filtered and excreted by the kidneys, Eg: Mammals, many terrestrial amphibians and marine fishes. 4.In terms of toxicity urea is more toxic than uric acid but it is soluble in water and is thus excreted as urine.

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FULL MARKS-EXCRETION-ADDITIONAL QUESTIONS SOLVED ( MULTIPLE CHOICE QUESTIONS ):
  1. Reptiles, birds, land snails and insects excrete ..........

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  2. Solenocytes are the excretory cells present in ..........

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  3. Insects have ................ for excretion.

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  4. ................. have antennal glands or green glands which perform e...

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  5. Reptiles produce very little ................ urine

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  6. Mammals have long Henle's loop, hence they produce ................ ur...

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  7. Aglomerlar kidneys of marine fishes produce little urine that is ........

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  8. The external parietal layer of the Bowman's capsule is made up of simp...

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  9. The nitrogenous wastes are formed as a result of catabolism of ..........

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  10. The net filtration pressure of ............... is responsible for rena...

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  11. Glucose, amino acids, Na^(+) and water in the filtrate are reabsorbed ...

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

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

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  14. The pH value of human urine is .......

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  15. A healthy adult human excretes (on an average) gm of urea/day.

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  16. ..................... is characterized by increase in urea and other n...

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

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  18. The inflammation of the glomeruli of kidneys due to Streptococcus bact...

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  19. Through haemodialysis, ................ can be removed from the blood.

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  20. The transfer of healthy kidney from one person to another person with ...

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