36. | Function of roots is to |
a. | reproduce |
b. | support |
c. | store food |
d. | anchor the plant |
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Answer: (d).anchor the plant
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37. | Elements which occur in a living organism are called |
a. | Bioelements |
b. | chemical elements |
c. | super elements |
d. | Natural elements |
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Answer: (a).Bioelements
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38. | Pests are destroyed by using living organism is attributed to process of |
a. | biological control |
b. | hazards control |
c. | disease control |
d. | chemical control |
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Answer: (a).biological control
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39. | Diseases like polio, whooping cough, measles, mumps etc. can be avoided by |
a. | medicine |
b. | Vaccination |
c. | precautions |
d. | Avoiding contact |
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Answer: (b).Vaccination
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40. | Killer of bacteria of a sick person is an |
a. | antivirus |
b. | antifungal |
c. | antibody |
d. | antibacterial |
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Answer: (d).antibacterial
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