1211. | The combination of a community and its physical and chemical factor is |
a. | Ecosystem |
b. | Community |
c. | Habitat |
d. | Population |
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Answer: (b).Community
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1212. | In marram grass, leaves have sunken stomata lies in grooves in |
a. | Lower surface |
b. | Upper surface |
c. | both a and b |
d. | Inner surface |
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Answer: (b).Upper surface
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1213. | Hypodermis a layer of thick walled cells lies beneath the |
a. | Dermis |
b. | Epidermis |
c. | Ectodermis |
d. | Endodermis |
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Answer: (b).Epidermis
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1214. | At night, when photosynthesis stop, respiration make the water more |
a. | Alkaline |
b. | Acidic |
c. | Neutral |
d. | Dilute |
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Answer: (b).Acidic
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1215. | The population of living organisms can be expressed in terms of |
a. | Density |
b. | Velocity |
c. | Frequency |
d. | Speed |
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Answer: (a).Density
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