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प्रश्न
Name the following:
The openings on the barks of trees through which transpiration occurs.
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उत्तर
Lenticels
संबंधित प्रश्न
Choose the correct answer:
Stomata can open in night also in _______________
Given ahead is a diagram of an experimental setup to study the process of transpiration in plants. Study the same and then answer the question that follows:
- Name the colour of dry cobalt chloride paper.
- Is the experimental leaf a monocot or a dicot? Give a reason to support your answer.
- Why are glass slides placed over the dry cobalt chloride papers?
- After about half an hour, what change, if any, would you expect to find in the cobalt chloride paper placed on the dorsal and ventral sides of the leaf? Give a reason to support your answer.
Given ahead is the diagram of an experimental set up to study the process of transpiration in plants. Study the same and then answer the question that follow:
Why are glass slides placed over the dry cobalt chloride papers?
Explain the Term
Stomatal transpiration
Given below is an apparatus used to study a particular process in plants. Study the same and answer the questions that follow :
(i) Name the apparatus.
(ii) Mention one limitation of this apparatus.
(iii) Which phenomenon is studied with the help of this apparatus?
(iv) What is the function of the part marked ‘reservoir’?
(v) What is the role of the air bubble in the experiment?
Give Technical Term
Which side of the leaf has more stomata?
Complete the following sentence with appropriate word:
95% of the total transpiration takes place through ________.
Write a short note on lenticular transpiration.
The upper layer of mesophyll in a leaf consists of elongated ground tissue called ______.
The given figure represents an experiment:
- Leaf A was coated with grease on both surfaces.
- Leaf B was coated with grease on the lower surface.
- Leaf C was coated with grease on the upper surface.
- Leaf D was left without any application of grease. All four leaves A, B, C and D were left in a room for about 24 hours.
- Which leaf dries first? Give reason.
- Which leaf dries last? Give reason.
