| 1. | If in the year 1985 a signboard was nailed in a tree at a height of five feet from the ground. How tall will this spike be in 1998, if the tree grows 4 inches in height every year? |
A. five feet | |
B. eight feet | |
C. nine feet | |
D. fourteen feet |
| 2. | Hydrophytes float on water due to the presence of which of the following? |
A. Byutak’s | |
B. of parenchyma | |
C. of green tissue | |
D. of reinforcer |
| 3. | Apical meristem is responsible for – |
A. to increase height | |
B. to increase the thickness | |
C. to increase parenchyma | |
D. to increase the cortex |
| 4. | The number of stomata is reduced and there are sunken – |
A. in homosexuality | |
B. in Lavanondabhido | |
C. in hydrophytes | |
D. in deserts |
| 5. | Leaves fall from the branches, due to the following – |
A. completing my life | |
B. drop in atmospheric temperature | |
C. due to the formation of an isolation layer on the outside of the cork | |
D. shortening of daily hours |
| 6. | Vellamen is required – |
A. for respiration in plants | |
B. to protect tissues | |
C. to absorb moisture | |
D. None of these |
| 7. | The lateral septum is responsible for – |
A. to increase height | |
B. to increase the thickness | |
C. to increase parenchyma | |
D. to increase the cortex |
| 8. | What is the main function of the inner bark of a woody plant? |
A. transport of minerals and water from the roots to the tips | |
B. act like a membrane that is impermeable to water and gas | |
C. transport food from leaves to other parts of plants | |
D. protect plants from herbivores |
| 9. | From whom is cork of commercial value obtained? |
A. Cedars Cedar | |
B. Sykes | |
C. Ficus | |
D. quercus |
| 10. | Which one of the following Indian scientists proposed the theory of long distance transport of water in plants? |
A. which. C. S. Bose said | |
B. Birbal Sahni | |
C. P. Maheshwari | |
D. N. s. Parihar has |
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