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प्रश्न
Autotrophs use _____,______ and chlorophyll to prepare their own food.
उत्तर
Autotrophs use Atmosphere, light, and chlorophyll to prepare their own food.
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संबंधित प्रश्न
Define the following:
Plant pigments
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.
Identify the false statements and rewrite them correctly by changing the first or last word only.
Algae are autotrophs.
Oxygen given out during photosynthesis comes from water. Explain this statement.
Name the following:
Source of oxygen given out in photosynthesis.
Name the following:
The immediate product of photosynthesis.
Complete the following sentence with appropriate word:
A dark reaction is a __________ reaction.
Choose the Correct Answer:
Compensation point means the condition:
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with the suitable idea given in Column ‘I’.
| Column I | Column II | ||
| (i) | Grana | (a) | Decomposers |
| (ii) | Autotrophs | (b) | Light reaction |
| (iii) | By-products of photosynthesis | (c) | Animals |
| (iv) | Photolysis | (d) | Oxygen |
| (v) | Bacteria and fungi | (e) | Stimulated by light |
| (vi) | Chloroplast | (f) | Power |
| (vii) | Oxygen and water | (g) | Raw material |
| (viii) | Sunlight | (h) | Machinery |
| (ix) | CO2 and water | (i) | End products |
| (x) | Glucose (sugar) | (j) | Workrooms |
| (xi) | Cells in the leaf | (k) | By-products. |
Define photosynthesis.
