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What is normal rate of respiration in human

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Define Biotechnology

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What is industrial nitrogen fixation

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Write two characteristics of such flowers which are pollinated by insects?

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Name some diseases caused by smoking

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What do you know about Eustachian tube

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What is meant by ecosystem

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Define biosphere

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What part of blood tranpsorts oxygen from lungs to the cells of the body

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Why females suffer more from osteoporosis than the males?

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What is ligaments

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What are two sources of Variations

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What is the "National Drinking water and sanitation policy

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Name some diseases caused by smoking?

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What do you know about Eustachian tube?

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Write name of main bones of human axial skeleton

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State radicle and plumule?

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What is difference between regeneration and binary fission

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Define reflex action with example

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What do you know about calluses?

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