| 51. | Medicine obtained from cinchona bark was used to treat malaria. The synthetic drug which replaced this natural product is |
A. chloromycetin | |
B. chloroquine | |
C. tetracycline | |
D. ampicillin |
| 52. | Which of the following crops enriches the soil with nitrogen? |
A. potato | |
B. sorghum | |
C. Sunflower | |
D. Pea |
| 53. | The bark of this tree is used as a spice. |
A. Cinnamon | |
B. Clove | |
C. Neem tree | |
D. Palm |
| 54. | Which of the following is the highest source of protein? |
A. urad | |
B. Gram | |
C. in peas | |
D. Soybean |
| 55. | Turpentine oil is obtained from – |
A. from netm | |
B. from mycom | |
C. from cedar | |
D. from pine |
| 56. | From where is the commonly used spice clove obtained? |
A. by origin | |
B. from stem | |
C. from flower bud | |
D. from fruit |
| 57. | Hashish is obtained from the plant. Tell it from which part of the plant it is obtained? |
A. from the leaves | |
B. from stems | |
C. exudate of leaves and female inflorescence | |
D. exudate of stem and male inflorescence |
| 58. | How is bamboo classified? |
A. Tree | |
B. grass | |
C. tree | |
D. Aptrin |
| 59. | Coriander contains useful components – |
A. origin and address | |
B. addresses and flowers | |
C. addresses and dried fruits | |
D. flowers and dried fruits |
| 60. | Biofuel is obtained from whose seeds? |
A. Jamun | |
B. jacaranda | |
C. Jatropha | |
D. Juniper |