Biology
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 |
Related Questions
A glowing matchstick starts burning in the presence of :
- Carbon dioxide gas
- Nitrogen gas
- Carbon monoxide gas
- Oxygen gas
Which of the following chemicals is used to identify the presence of starch ?
- Lime water
- Potassium hydroxide
- Iodine solution
- Methylated alcohol
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.
Which gas is taken in and which one is given out by a green leaf in bright sunlight?
(i) Taken in: …………… (ii) Given out: ……………