Advertisements
Advertisements
प्रश्न
Give Reasons for the following:
Balsam plants wilt during midday even if the soil is well watered.
Advertisements
उत्तर
The transpiration rate in such plants is very high during mid-day and exceeds the water absorption rate of the roots. So more water is lost than absorbed. This water deficiency in cells causes them to lose turgidity and the plants wilt.
APPEARS IN
संबंधित प्रश्न
Why are the stomata in most plants more numerous on the lower surface of a leaf instead of being on the upper surface?
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:
Draw a neat, labelled diagram of a stomatal apparatus.
Choose the correct answer:
The cause of wilting is more ___________
Choose the correct answer:
In herbaceous plants, following percentage of absorbed water comes out __________
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 the following:
Xylem and ______
What are lenticels? Where are they found?
What are the disadvantages of transpiration?
Write the functional activity of the following structure:
Cuticle
Choose the Odd One Out
Mark the most appropriate answer in the following:
In hot summer days, plant cooling is due to :
