1 |
The 6-carbon compounds during the dark reactions of photosynthesis split into ____________ carbon compound. |
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2 |
Most of the energy during ATP formation escapes in the form of: |
- A. Waves
- B. Bonds
- C. Heat
- D. Chemical
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3 |
When a plant was kept in darkness for many days, many days, its leaves turned yellow. Why? |
- A. Leaves could not get 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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4 |
Micronutrients of plants are: |
- A. Available in the soil only in small amounts
- B. Required by plants in small amounts
- C. Small molecules required by plants
- D. Useful, but not required by plants
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5 |
Doforestation by uncontrolled cutting of trees means danger of _____________ |
- A. Green House effect
- B. Soil erosion
- C. Both a& b
- D. None
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6 |
Biodiversity is richer in : |
- A. Tropics
- B. Temperate regions
- C. Polar regions
- D. Desert
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7 |
Quantitative observations are considered more accurate than qualitative observation because quantitative are |
- A. Invariable
- B. Measurable
- C. Recorded in terms of numbers
- D. All of these
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8 |
A species is a group of natural population which can: |
- A. Interbreed and produce offsprings
- B. Interbreed in nature and produce offspring
- C. Interbreed and produce fertile offspring
- D. Interbreed in nature and produce fertile offspring
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9 |
................. are involved i protein synthesis. |
- A. SER
- B. RER
- C. Both
- D. None
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10 |
Biodiversity means : |
- A. Variety with in a species
- B. Variety among the species
- C. Variety within a species and among the species
- D. None of these
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