| 1 |
The visible portion of sunlight consist of ............... colours. |
- A. Four
- B. Five
- C. Six
- D. Seven
|
| 2 |
......... is one of raw material for photosynthesis . |
- A. Oxygen
- B. Water
- C. Carbon Dioxide
- D. Nitrogen
|
| 3 |
Exchange of water vapours and gases occurs in leaf through: |
- A. Stomata
- B. Epidermics
- C. Xylem
- D. Phloem
|
| 4 |
In which of the following steps of respiration, CO2 is produced? |
- A. Glycolysis
- B. Krebs cycle
- C. Electron trransport
- D. All of these
|
| 5 |
Dalk reaction takes place in the .......... of chloroplasts. |
- A. Grana
- B. Strome
- C. Intergrana
- D. All
|
| 6 |
Anaerobic respiration occurs in the absence of ............. . |
- A. Oxygen
- B. Carbon
- C. Nitrogen
- D. All
|
| 7 |
Aerobic respiration needs free ............. . |
- A. Carbon
- B. Nitrogen
- C. Oxygen
- D. None
|
| 8 |
ATP has ........... phosphate group. |
- A. Two
- B. Three
- C. Four
- D. Five
|
| 9 |
____________ is a co-enzyme. |
- A. NAD<sup>+</sup>
- B. NADH
- C. AMP
- D. None
|
| 10 |
When a plant was kept in darkness for many days, its leaves turnes yellow. Why? |
- A. Leaves could not yet oxygen and so there was no photosynthesis
- B. Leaves could not get light and so there was no respiration
- C. Leaves could not get oxygen and so there was no respiration
- D. Leaves could not get light and so there was no photosynthesis
|
