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प्रश्न
Give Reasons for the following:
Plants absorb more water than their requirement
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उत्तर
The plants absorb much more water than their requirement because:
(a) They require more mineral salts for their growth and minerals are present in very small quantity in water
(b) Most of the water is lost through transpiration. Therefore, to prevent wilting they require an excess of water.
संबंधित प्रश्न
Which one of the following favours the fastest transpiration rate?
How does temperature, light intensity and wind affect transpiration?
Given below is an example of a certain structure and its special functional activity:
Chloroplasts and Photosynthesis.
In a similar way, write the functional activity against each of the following:
Thick cuticle and ………………………..
Given below is an apparatus which was setup to investigate a physiological process in plants. The setup was placed in bright sunlight. Answer the questions that follow:
- Name the process being studied. Define the process.
- Why was the pot enclosed in a rubber sheet?
- Mention two external factors which can accelerate the above process.
- List two adaptations in plants to reduce the above process.
- Draw a neat, labelled diagram of a stomatal apparatus.
Given below is an apparatus which has setup to investigate a physiological process in plants. The setup was placed in bright sunlight. Answer the questions that follow:
List two adaptations in plants to reduce the above process.
Choose the correct answer:
Transpiration generates __________
Differentiate Between Transpiration and Evaporation.
Complete the following sentence with appropriate word:
The leaves of the __________ plants have cuticular wax.
State the Location:
Lenticels
Mark the most appropriate answer in the following:
In hot summer days, plant cooling is due to :
