Biology
Which gas is taken in and which one is given out by a green leaf in bright sunlight?
(i) Taken in: …………… (ii) Given out: ……………
Photosynthesis
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Answer
(i) Taken in: Carbon dioxide (ii) Given out: Oxygen
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Related Questions
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 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.
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.
Note the relationship between the first two words and suggest a suitable word/ phrase for the fourth place :
- Photosynthesis : Day time :: Respiration : ……………
- Photo : light :: Synthesis : ……………
- Xylem : Water and minerals :: Phloem : ……………
- Palisade cells : Barrel-shaped :: Guard cells : ……………
- Photosynthesis : Chloroplast :: Respiration : ……………