Advertisements
Advertisements
प्रश्न
Choose the correct answer:
Transpiration is more ____________
पर्याय
From the upper surface of leaf.
From the lower surface of leaf.
From stem.
From upper and lower surface of leaf.
Advertisements
उत्तर
Transpiration is more From the lower surface of leaf
APPEARS IN
संबंधित प्रश्न
Which of the following statements are true and which ones are false? Give reason in support of your answer.
Most transpiration occurs during midday.
Name the following.
The process by which the aerial parts of a green plant give out water as water vapour.
What is meant by the term transpiration stream?
Differentiate between transpiration and guttation.
Differentiate Between Transpiration and Translocation.
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
Give Technical Term
The apparatus used to compare the rate of transpiration in cut shoot.
State the Location:
Lenticels
Write the functional activity of the following structure:
Hydathodes
An outline sketch of a tree is shown in a diagram below. Study the same and answer the questions that follow:
- Name and define the phenomenon labelled A in the diagram.
- Write the significance of the process mentioned in A for the plants.
- What do the direction of the arrows in B and C indicate? Name the phenomena.
- Draw a neat and labelled diagram of an opened stomata.
