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Question
Match the items of Column I with items in Column II.
Column I
Column II
A. Stomata 1. In woody part B. Lenticels 2. Release in night C. CO2 3. In herbaceous stem D. O2 4 . Release in day
| Column I | Column II | ||
| A. | Stomata | 1. | In woody part |
| B. | Lenticels | 2. | Release in night |
| C. | CO2 | 3. | In herbaceous stem |
| D. | O2 | 4 . | Release in day |
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Solution
The correct option is A A- 3, B- 1, C- 2, D- 4
- Stomata are found on all above-ground parts of plants, including the petals of flowers, petioles, soft herbaceous stems, and leaves.
- A lenticel is a porous tissue that possesses cells with large intercellular spaces in the periderm of the secondary organs and the bark of woody stems. Since photosynthesis is powered by sunlight, plants absorb much more CO2 than they give off during the daytime. At night, when photosynthesis is not happening, they give off much more CO2 than they absorb. Most plants largely uptake carbon dioxide and release oxygen during the day (photosynthesis) and uptake oxygen and release CO2 during the night (respiration).
Thus, the correct answer is option A.
- Stomata are found on all above-ground parts of plants, including the petals of flowers, petioles, soft herbaceous stems, and leaves.
- A lenticel is a porous tissue that possesses cells with large intercellular spaces in the periderm of the secondary organs and the bark of woody stems. Since photosynthesis is powered by sunlight, plants absorb much more CO2 than they give off during the daytime. At night, when photosynthesis is not happening, they give off much more CO2 than they absorb. Most plants largely uptake carbon dioxide and release oxygen during the day (photosynthesis) and uptake oxygen and release CO2 during the night (respiration).
Thus, the correct answer is option A.
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