Q. For looking at distant objects muscles of ciliary body should be

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Q. Study of interaction of living organisms with other organisms and their environment relates with

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Q. Pneumatophores are specialized root for

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Q. The vascular bundle and supporting tissue of aquatic plants are

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Q. Aquatic animal's gills and toes are designed

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Q. In aquatic animals, contractile vacuoles are used to remove excess

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Q. Bright light often retards the

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Q. A population is a group of organism of

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Q. The type of plants found in any area is determined by nature of

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Q. Plants which can live in dry conditions are called

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Q. Sea water is alkaline with a PH

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Q. The kidney of fresh water bony fish produce the large amount of

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Q. An important ecological principal is that no two species have exactly the same

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Q. The intensity of light affect the distribution of plants and

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Q. The combination of a community and its physical and chemical factor is

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Q. In marram grass, leaves have sunken stomata lies in grooves in

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Q. Hypodermis a layer of thick walled cells lies beneath the

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Q. At night, when photosynthesis stop, respiration make the water more

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Q. The population of living organisms can be expressed in terms of

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Q. Bats are specially adapted to move about in

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