Gk Questions with AnswersBotany General Knowledge Questions and Answers
| 17. | Cloves, used as a spice are derived from which of the following plant parts? | ||
|---|---|---|---|
| A. Seeds | |||
| B. Fruits | |||
| C. Leaves | |||
| D. Flower buds | |||
| Answer | ||
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| 18. | The ultimate cause of water movement in a plant stem against gravity is | ||
|---|---|---|---|
| A. Osmosis | |||
| B. Photosynthesis | |||
| C. Transpiration | |||
| D. Diffusion | |||
| Answer | ||
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| 19. | Commercial agar agar is obtained from | ||
|---|---|---|---|
| A. Porphyro | |||
| B. Gracilaria | |||
| C. Chlorella | |||
| D. Volvox | |||
| Answer | ||
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| 20. | Lichens are indicators of | ||
|---|---|---|---|
| A. Air pollution | |||
| B. Water pollution | |||
| C. Soil pollution | |||
| D. Radiation pollution | |||
| Answer | ||
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