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What is artificial vegetative propagation? Why do gardeners use the methods of cutting and grafting?

asked Sep 6, 2017 in Biology by sonia (36.5k points)

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What is peripheral nervous system? How does it differ from central nervous system?

asked Sep 5, 2017 in Biology by shamroz (41.5k points)

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Observe the presence of tar by rubbing white tissue paper on the inner surface of the funnel.

asked Sep 4, 2017 in Biology by shamroz (41.5k points)

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Why do we consider that overpopulation is a global problem?

asked Sep 6, 2017 in Biology by shamroz (41.5k points)

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Describe negative feedback with reference to insulin and glucagon.

asked Sep 6, 2017 in Biology by shamroz (41.5k points)

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What do you mean by alternation of generations in plant?

asked Sep 6, 2017 in Biology by sonia (36.5k points)

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List of pathway of light in the human eye.

asked Sep 4, 2017 in Biology by shamroz (41.5k points)

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How do human lungs maintain carbon dioxide level in blood?

asked Sep 4, 2017 in Biology by shamroz (41.5k points)

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Write a brief note on germination of seed.

asked Sep 6, 2017 in Biology by sonia (36.5k points)

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Write an account on the development and structure of seed.

asked Sep 6, 2017 in Biology by sonia (36.5k points)

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Name the major organs involved in homeostasis in humans,

asked Sep 4, 2017 in Biology by shamroz (41.5k points)

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What is gametogenesis?

asked Sep 6, 2017 in Biology by shamroz (41.5k points)

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What is meant by haemodialysis or kidney machine? Explain its working briefly.

asked Sep 4, 2017 in Biology by shamroz (41.5k points)

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Describe the structure of human eye in detail.

asked Sep 5, 2017 in Biology by shamroz (41.5k points)

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What do you mean by coordination? How is it brought about?

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Which compound is formed when limewater combines with carbon dioxide?

asked Sep 3, 2017 in Biology by shamroz (41.5k points)

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How would you describe the structure of external, middle and inner ear of man?

asked Sep 5, 2017 in Biology by sonia (36.5k points)

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Describe the process of hearing in man?

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Write a brief account on diabetes mellitus.

asked Sep 5, 2017 in Biology by shamroz (41.5k points)

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Give an introduction of Pakistan's National AIDS Control Program.

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