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Biology |
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| 46)The disease spreads through milk is | |||
| Plague | Typhoid | ||
| Diphtheria | Cholera | ||
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| 47)The enzyme responsible for converting milk into curd is | |||
| Pepsin | Citrate | ||
| Renin | Resin | ||
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| 48)The law of natural selection is propounded by | |||
| Newton | Dalton | ||
| Keplar | Darwin | ||
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| 49)Which of the vitamins help in clotting of blood? | |||
| A | D | ||
| K | E | ||
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| 50)Which of the following vitamins can be obtained from sunshine? | |||
| A | B | ||
| D | E | ||
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| 51)Goitre is caused due to lack of | |||
| iron | iodine | ||
| sodium | calcium | ||
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| 52)Normal breathing rate per minute in an average adult is | |||
| 30-60 | 25-40 | ||
| 12-20 | 72 | ||
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| 53)During heavy exercise one can get cramps in the leg due to the accumulation of | |||
| carbondioxide | lactic acid | ||
| water | acetic acid | ||
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| 54)In plants water is transported through | |||
| xylem | stomata | ||
| root hair | phloem | ||
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| 55) The process of fusion of the male and female gametes is known as | |||
| fertilization | pollination | ||
| reproduction | seed formation | ||
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| 56) Bryophyllum can be reproduced by its | |||
| stem | root | ||
| flower | leaves | ||
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| 57)Micro organisms act upon the dead plants to produce | |||
| sand | mushroom | ||
| humus | wood | ||
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| 58)Vitamin stored in liver is | |||
| E | C | ||
| K | A | ||
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| 59)A person has to take insulin regularly. He is suffering from | |||
| high blood pressure | diabetes | ||
| goitre | night blindness | ||
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| 60)Which one of the following resists against disease in human body? | |||
| vitamins | red blood corpuscles | ||
| white blood corpuscles | fats | ||
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