Which of the following structures will have the slowest rate of conduction of the cardiac action potential?

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#Question id: 23916

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Assertion (A): Bt cotton is a transgenic crop which has been introduced in India, but is being opposed on environmental grounds. Reason (R): CrylAc protein in Bt cotton has been found to be toxic and allergenic to human beings.

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#Question id: 23917

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Oxygen toxicity (in humans) is caused by:

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#Question id: 23918

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C2F3C 3 gas:

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#Question id: 23919

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Which of the following shows bioaccumulation and contaminate food chains?

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#Question id: 23920

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Removal of which of the following impurities from contaminated water requires the of coagulants:

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#Question id: 23921

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The most efficient method of biodegradable urban solid waste management is: