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Biology |
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| 345)Which of the following is not caused by air pollution ? | |||
| Pneumonia | Chronic Bronchitis | ||
| Tuberculosis | Asthma | ||
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| 346) Which of the following organisms are employed as bio pesticides ? | |||
| Bacteria and fungi only | Fungi and flowering plants only | ||
| Bacteria, fungi and flowering plants | bacteria and flowering plants only | ||
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| 347)Photosynthesis occurs in | |||
| Nucleus | Mitochondria | ||
| Chloroplast | Peroxisomes | ||
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| 348)In metabolism enzyme acts as | |||
| Catalyst | Promoter | ||
| Oxidant | Reductant | ||
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| 349)Red blood corpuscles are formed at | |||
| Small intestine | Kidney | ||
| Bone marrow | Liver | ||
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| 350)Life of RBC in human Blood is of | |||
| 30 days | 15 hours | ||
| 60 days | 120 days | ||
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| 351)Which component of plants recieve stimulus for flowering ? | |||
| Branches | Roots | ||
| Leaves | Stems | ||
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| 352)All veins carry oxgenated blood except | |||
| Portal vein | Subclavin vein | ||
| Hepatic vein | Pulmonary vein | ||
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| 353)Poision of honey bee is | |||
| Acidic | Saltish | ||
| Protein | Alkaline | ||
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| 354)Leukaemia or blood cancer is characterized by abnormal increase of | |||
| RBC | WBC | ||
| Platelets | Plasma | ||
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| 355)Insects that can transmit disease to human are referred to as | |||
| Carriers | incubators | ||
| reservoirs | vectors | ||
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| 356)What is the average speed of a bee? | |||
| 10 Km / h | 16 Km / h | ||
| 5 Km / h | 1 Km / h | ||
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| 357)If we sprinkle common salt on aerthworm, it dies due to | |||
| Respiratory failure | closure of pores on skin | ||
| toxic effect of salt | osmotic shock | ||
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| 358)Cutting and peeling of onions brings tears to the eyes because of the presence of | |||
| Amino acids | Sulphur in the cell | ||
| Carbon in the cell | Fats in the cell | ||
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| 359)Whic one of the following organs breaks fat to produce cholesterol | |||
| Intestine | Lungs | ||
| Liver | Kidneys | ||
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| 360)Which one of the following produce seeds but not flowers | |||
| Cashew nuts | Coffee | ||
| Ground nuts | Pine | ||
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