46. | In any community, various populations live |
a. | interdependently |
b. | independently |
c. | dependently |
d. | defenselessly |
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Answer: (a).interdependently
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47. | Both abiotic and biotic factors operating in an environment are called as |
a. | ecological niche |
b. | ecological community |
c. | ecosystem |
d. | ecology |
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Answer: (c).ecosystem
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48. | Series of energy transference in the form of food is called a |
a. | food pyramid |
b. | food chain |
c. | ecological niche |
d. | food cycle |
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Answer: (b).food chain
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49. | Density can be measured through |
a. | number of individuals per square meter |
b. | number of individuals per unit area |
c. | number of total population in a mile |
d. | volume per unit mass |
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Answer: (b).number of individuals per unit area
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50. | Lives of organisms are greatly affected by |
a. | Producers |
b. | Consumers |
c. | Decomposers |
d. | consumers and decomposers |
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Answer: (a).Producers
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