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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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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 observe about the position of the heart in normal and smoker's chest cavity?

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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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Differentiate between external and internal fertilization.

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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,

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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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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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Write a brief note on germination of seed.

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

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

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

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Describe the process of hearing in man?

asked Sep 5, 2017 in Biology by sonia (36.5k 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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Describe the processes of spermatogenesis and oogenesis.

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When the animals are grazing, blades of grass may poke in the eye. Which part of the eye protects the inner eye?

asked Sep 4, 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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How do human lungs maintain carbon dioxide level in blood?

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What is gametogenesis?

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Write a brief account on diabetes mellitus.

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What do you mean by Parthenogenesis? Give examples.

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