Biology
State whether the following statements are True or False:
(i) Green plants prepare their food by using two raw materials, oxygen and water.
(ii) The chlorophyll enables the plants to use light energy.
(iii) The free oxygen in the atmospheric air is the result of photosynthesis.
(iv) Photosynthesis occurs only in chlorophyll-containing parts of the plant.
Photosynthesis
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Answer
(i) False
Corrected Statement — Green plants prepare their food by using two raw materials; Carbon dioxide and water.
(ii) True
(iii) True
(iv) True
Answered By
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Related Questions
Assertion (A): Photosynthesis occurs in the cells of leaves which contain chloroplasts whereas respiration occurs in all other cells which lack chloroplasts.
Reason (R): The pigment chlorophyll traps solar energy for the process of photosynthesis whereas it does not participate in the process of respiration.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Suppose we compare the leaf with a factory, match the items in Column A with those in Column B.
Sl.
No.Column A Column B 1. Cells in the leaf Raw materials 2. Chloroplast Power 3. Sunlight Machinery 4. Oxygen and water End product 5. Carbon dioxide and water By product 6. Glucose Work room Which gas is taken in and which one is given out by a green leaf in bright sunlight?
(i) Taken in: …………… (ii) Given out: ……………
Name the following:
- The cells which surround the openings of stomata.
- The chemical energy stored in the cells.
- The pigment which traps solar energy for the process of photosynthesis.
- A non-chlorophyllous, unicellular plant that respires anaerobically.
- The process which maintains the coolness of the plant body.