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प्रश्न
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
All the starch produced in a leaf remains stored in it for 2-3 weeks before it is used by other parts of a plant.
विकल्प
True
False
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उत्तर
False
Correct Statement: It remains stored in it for 24 to 48 hours
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संबंधित प्रश्न
A potted plant with variegated leaves was taken in order to prove a factor necessary for photosynthesis. The potted plant was kept in the dark for 24 hours and then placed in bright sunlight for a few hours. Observe the diagrams and answer the questions:
- What aspect of photosynthesis is being tested in the above diagram?
- Represent the process of photosynthesis in the form of a balanced equation.
- Why was the plant kept in the dark before beginning the experiment?
- What will be the result of the starch test performed on Leaf ‘A’ shown in the diagram? Give an example of a plant with variegated leaves
- Draw a neat labelled diagram of a chloroplast.
Choose the correct answer:
Which one of the following features of plant leaves plays an important part in photosynthesis?
Name the following:
The kind of plastids found in the mesophyll cells of the leaf.
Name the following:
The part of chloroplast where the dark reaction of photosynthesis takes place.
(i) Identify the above diagram.
(ii) Label the guidelines 1-3.
(iii) Name the phenomenon which takes place in the above diagram.
(iv) Define the phenomenon.
(v) What is the importance of the above phenomenon?
A well-watered healthy potted plant with variegated leaves was kept in darkness for about 24 hours. It was then set up as shown in the diagram and exposed to light for about 12 hours. At the end of this time, leaf X and leaf Y were tested for starch. Study the diagram and answer the questions that follow:
(i) Why was the plant initially kept in darkness for 24 hours?
(ii) What is the function of the sodium hydroxide solution in the flask?
(iii) Select the correct leaf from the five available choices shown in the diagram as A, B, C, D, and E. Rewrite the correct answer for the filling in the appropriate letter from the questions that follow:
1. After the starch test, leaf X would look like.
2. After the starch test, leaf Y would look like.
Explain the term Photophosphorylation.
State the location:
Stroma
Given below are groups of terms. The first pair indicates the relationship between the two terms. Complete the second pair accordingly.
Chlorophyll : Magnesium : : Haemoglobin : ______
Given below are groups of terms. The first pair indicates the relationship between the two terms. Complete the second pair accordingly.
Light reaction : Gran um : : Dark reaction : ______
