1 |
The site for Calvin cycle is: |
- A. Stroma
- B. Grana
- C. Plasmodesmata
- D. Cytoplast
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2 |
Which of these can enter into Krebs cycle? |
- A. Glucose
- B. Pyruvic acid
- C. Citric acid
- D. Acetyl Co.A
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3 |
How many percent of the light falling on the leaf surface is absorbed: |
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4 |
The water from the soil enters into the root hairs by the process of |
- A. Photosynthesis
- B. Osmosis
- C. Diffusion
- D. Respiration
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5 |
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
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6 |
............... is an essential requirement of photosynthesis. |
- A. CO2
- B. H2O
- C. O2
- D. All
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7 |
Green plants capture ............ energy. |
- A. Light energy
- B. Solar energy
- C. Tidal energy
- D. Chemical energy
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8 |
Redox reactions involve exchange of ____________ |
- A. Electrons
- B. Protons
- C. Neutrons
- D. Atoms
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9 |
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
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10 |
Carbon Dioxide is almost .......... percent in air. |
- A. 0,01
- B. 0.3
- C. 0,03
- D. 0.1
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