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प्रश्न
Answer the following question.
Amphibian tadpole can afford to be ammonotelic. Justify.
उत्तर
- Tadpole (larval stage of life cycle of amphibian) is aquatic. They are ammonotelic as they excrete nitrogenous waste in the form of ammonia.
- Ammonia is very toxic and requires large amount of water for its elimination.
- It is readily soluble in water and diffuses across the body surface and into the surrounding water.
- Also, the water lost during excretion can be made up through the surrounding water in ammonotelic organisms.
Hence, amphibian tadpole can afford to be ammonotelic.
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संबंधित प्रश्न
The kidneys in human beings are a part of the system for ______.
The Biological/technical term for The removal of nitrogenous wastes from the body
The diagram given below shows a section of human kidney. Study the diagram carefully and answer the questions that follow :
(i) Label the parts numbered 1 to 4.
(ii) Why does part ‘2’ have a striped appearance?
(iii) What is the fluid that passes down part ‘4’? Name the main nitrogenous waste present in it.
(iv) Mention the structural and functional units of kidneys.
(v) Name the two major steps in the formation of the fluid mentioned in Q.5 (a) (iii).
Blood in the renal artery or renal vein (Which one has more urea ?)
Explain in your own words with suitable examples.
How does excretion occur in human beings?
Choose the correct answer:
Composition of extracellular fluid is regulated by ___________
Label the diagram given below :
Study the diagram given alongside and then answer the question that follow:
What is the technical term given to the process occurring in 2 and 3? Briefly describe the process.
What would happen if green plants disappeared from earth?
What is the purpose of making urine in the human body?
