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Define population?

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.How vegetative propagation takes place through leaf

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What is hypothyroidism

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How do variations bring about evolution? Describe briefly

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How can you differentiate between nitrification and denitrification

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What is the size and weight of human kidney

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.How gaseous exchange occur through lenticels in plants

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Why we should not sleep under trees during night

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Define locomotion and movement

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What are homologous chromomsomes

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How kidney work when there is shortage of water in body fluids

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What happens in bone density during osteoporosis and write its causes

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What is the difference between food chain and food web

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What is microspore

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What is the difference between acute and chronic bronchitis

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Describe the structure of seed

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Write a note on pituitary glands

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Describe the feedback mechanism with it’s types and examples

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Describe male reproductive system in rabbit

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How does artificial selection support the theory of evolution

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