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प्रश्न
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Leaves are broad and flat to increase the surface area for photosynthesis.
विकल्प
True
False
उत्तर
True
APPEARS IN
संबंधित प्रश्न
Complete the following paragraph by filling in the blank (1) to (5) with appropriate words:
To test a leaf for starch, the leaf is boiled in water to (1) _________. It is then boiled in Methylated spirit to (2) ________. The leaf is dipped in warm water to soften it. It is placed in a petri dish, and (3) _____ solution is added. The region of the leaf which contains starch, turns (4) ________and the region while does not contain starch, turns (5) __________.
Differentiate between the following pairs on the basis of what is indicated in the brackets.
Leaf and Liver [form in which glucose is stored]
Mention any two points in which photosynthesis and respiration in plants are opposite to each other.
How does carbon dioxide return to the atmosphere? Explain.
A student in order to study the importance of certain factors of photosynthesis took a potted plant and kept it in the dark for over 24 hours. Then in the early hours of the morning the student covered one of the leaves with black paper in the centre only. Student placed the potted plant in the sunlight for a few hours, and then tested the leaf which was covered with black paper for starch.
(i) What aspect of photosynthesis was being investigated?
(ii) Is there any control in this experiment? If so, state the name.
(iii) Why was the plant kept in the dark before the experiment?
(iv) Describe step by step how the candidate proceeded to test the leaf for the presence of starch.
If the rate of respiration becomes more than the rate of photosynthesis, plants will:
The site of light reaction in the cells of a leaf is ______.
Photosynthesis in green plants is directly and indirectly dependent on so many plant structures.
Explain briefly the role of the following structures in this process is Phloem tissue in the leaf veins.
Photosynthesis is considered as a process supporting all life on earth.
The figure given below is for performing an experiment on photosynthesis.
Answer the following:
(i) What is the aim of this experiment?
(ii) Describe an experiment to show that light is necessary for photosynthesis.
(iii) What do you conclude from this experiment?
(iv) What is the role of light in photosynthesis?
Explain the Term ATP.
Explain the Term NADPH.
Give technical term:
Name the process which is responsible for the conversion of solar energy to chemical energy that is essential to sustain life on this earth?
Give technical term:
What does NADP stand for?
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Radiant energy is converted into chemical energy by photosynthesis.
State whether true or false. If false, correct the statement.
When the weather is hot, water evaporates lesser which is due to opening of stomata.
Why should the light-dependent reaction occur before the light-independent reaction?
Plants may inhale carbon dioxide for photosynthesis but need ______ for their living.
Study the pictures below and then complete the table by putting a plus (+) if the shoot or root grows towards the stimulus and a minus (-) if it grows away from it.
| Stimulus | Light | Gravity |
| Shoot | + | - |
| Root | ? | + |
