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प्रश्न
Answer the following in short.
Define transpiration in plants.
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उत्तर
The process of losing excess water in the form of water vapour from a living plant is known as transpiration.
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संबंधित प्रश्न
The diagram given below shows the male urinogenital system of a human being. Study the diagram and answer the questions that follow:
(i) Label the parts numbered 1 to 8.
(ii) Name the corresponding structure of part (4) in female reproductive system.
(iii) What is the role of part 7?
Define the following term:
Osmoregulation
Explain in your own words with suitable examples.
How does excretion occur in human beings?
Choose the odd one out in the following serie:
Column of Bertini, minora calyces, brain.
Differentiate between:
Ureter and Urethra.
Study the diagram given below and then answer the questions that follow:
 |
- Name the region in the kidney where the above structure is present?
- Name the parts labelled 1, 2, 3 and 4.
- Name the stages involved in the formation of urine.
- What is the technical term given to the process occurring in 2 and 3? Briefly describe the process.
Answer the following question.
Amphibian tadpole can afford to be ammonotelic. Justify.
The number of ATP molecules required to produce one molecule of urea from the omithine cycle.
In order to maintain homeostasis or constant internal environment . ______' is essential.
Given below is a list of substances - select the ones that need to be eliminated from the body.
Glucose, excess water, amino acids, urea, carbon dioxide, excess common salt, glycogen, uric acid.
