Q. For excretion, animals with impermeable skin use

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Q. Kidneys are responsible for excretion of

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Q. Kidneys are responsible for excretion of

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Q. According to surveys, most young people smoke in order to

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Q. Excess mucus is produced causing smokers cough due to

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Q. Which is true about Nicotine (C₁₀H₁₄N₂)

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Q. Smoking is no longer regarded as

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Q. Friends teasing that non-smoker is not sporting enough and lively turns into

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Q. Cigarette smokers become addicted to

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Q. At the same time, smoking can not provide stimulation and

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Q. Vegetables fats are

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Q. If the trees are cleared, annual rain fall

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Q. Cilia can not remove air and dust particles from lungs and trachea due to

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Q. Transport system to carry substances from one part of body to the other is called

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Q. Unequal food distribution results in

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Q. Rickets is caused due to the deficiency of

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Q. Fish rich in fat include

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Q. Commonly found inside liver of fish is

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Q. Butter, cheese and nuts are a source of

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Q. Healthy consumption of fats is

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