| 1 |
In which of the following steps of respiration, CO2 is produced? |
- A. Glycolysis
- B. Krebs cycle
- C. Electron trransport
- D. All of these
|
| 2 |
Chlorophyll pigment absorbs maximum light in wavelengths of: |
- A. Green and blue
- B. Green and red
- C. Green only
- D. Red and blue
|
| 3 |
Which of following set of organisms can synthesize their own food? |
- A. Plants, fungi, protozoans
- B. Fungi, algae, bacteria
- C. Plants, photosynthetic bacteria, algae
- D. Plants, non photosynthetic bacteria algae
|
| 4 |
______________ reactions are the direct source of energy. |
- A. Oxidation
- B. Redox
- C. Reduction
- D. None
|
| 5 |
A cell hydrolyses ATP to ADP & inorganic phosphate & almost .............. Kcal energy is released. |
- A. 7.3 Kcal
- B. 7.4 Kcal
- C. 7.2 Kcal
- D. 7.5 Kcal
|
| 6 |
.................. does not require sunlight. |
- A. Photosynthesis
- B. Respiration
- C. Both
- D. None
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| 7 |
No life would be possible if the process of .............. stops. |
- A. Respiration
- B. Photosynthesis
- C. Both
- D. None
|
| 8 |
Which of these can enter into Krebs cycle? |
- A. Glucose
- B. Pyruvic acid
- C. Citric acid
- D. Acetyl Co.A
|
| 9 |
............... is an essential requirement of photosynthesis. |
- A. CO2
- B. H2O
- C. O2
- D. All
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| 10 |
The clusters of photosynthetic pigments are called: |
- A. Thylakoids
- B. Photosystems
- C. Carotenoids
- D. Chlorophyll a & b
|