Q. Norepinephrine increases

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Q. Night blindness is cause by lack of which vitamin?

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Q. Monocot root differs from dicot root in having

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Q. Radioactivity is a phenomenon of the spontaneous emission of

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Q. Organic Substances which, in very small amounts, control growth and development called

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Q. Our major foods, fibres, spices, fruits and beverage crops are

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Q. Movements due to light are shown by

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Q. Outer covering of virus made up of protein is

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Q. Radish is a

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Q. Most common disease of poultry in India is

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Q. Most abundant tissues of our body are

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Q. Mumps is a disease caused by

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Q. Rain water helps to increase the ____ to some extent.

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Q. Number of chromosomes in Down's syndrome is

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Q. Plants are killed in winter by frost

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Q. One of the following is most suitable for study of mutations

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Q. Pulses are a good source of

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Q. Oxygen in our blood is transported by a protein named

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Q. Nymph is the name of young one of

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Q. One day you wake with a sore throat and a runny nose. Your doctor takes a swab from your throat, sends it to a lab, and telephones you the next day to say that antibiotic will not help you get better. Which of the following is the most likely reason for the doctor's statement?

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