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प्रश्न
Mark the most appropriate answer in the following:
Transpiration is very low during storms due to:
विकल्प
Presence of moisture in the wind
Low temperature during storms
High velocity of wind
None of the above
उत्तर
High velocity of wind
APPEARS IN
संबंधित प्रश्न
Answer the following (only in few words);
Where does transpiration take place in leaves? Give names of the various parts.
Answer the following (only in few words);
Give one important difference between transpiration and evaporation.
Choose the correct answer:
In herbaceous plants, following percentage of absorbed water comes out __________
Choose the correct answer:
Who had said that "transpiration is a necessary evil"?
Give Reasons for the following:
Transplanting of seedlings to a flowerbed in the evening is better than doing so in the morning.
Give Reasons for the following:
Young plants wilt on a hot sunny day.
Explain the Term :
Wilting
The following diagram is set up to demonstrate an experiment.
Five plants A, B, C, D, and E were placed in a beaker containing water. The water in each beaker was covered with a layer of oil. The leaves were removed from plant D in plant B, upper surfaces of all the leaves were covered with Vaseline, in-plant C the lower surfaces of all the leaves were covered with Vaseline and plant E was exposed to strong light. The beakers were then left for a few hours and at the end of the experimental period, weights of each beaker were taken.
Write the correct answer out of the five available choices given under each question:
I. In which beaker would you expect the greatest decrease in weight?
(i) A (ii) B (iii) C (iv) D (v) E
II. In which beaker the change of weight would be minimum?
(i) A (ii) B (iii) C (iv) D (v) E
III. Which plant would remain healthy for a longer period of time?
(i) A (ii) B (iii) C (iv) D (v) E
IV. In this experiment which plant can be considered as the uncontrolled one?
(I) A (ii) B (iii) C (iv) D (v) E
V. The difference of weight would b maximum between:
(i) A and B (ii) A and C (iii) A and D (iv) A and E (v) D and E
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
The pH of the guard cells increases during day time
State the Location:
Lenticels
