Q. Our skin, when exposed to excess sunlight, becomes dark. This is because our skin pigments called

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Q. Ramapithecus and Cro-Magnon man are considered

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Q. Normal adult human male has

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Q. Plants wilt due to excess of

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Q. Monotremes are unique mammals because they

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Q. Poison glands of snakes are homologous to

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Q. Radical vascular bundles are those in which

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Q. Plant bends towards the source of light on account of the movement of curvature known as

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Q. Plant have ____ while animals lack it.

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Q. Osmosis is the flow of solution from higher concentration to a solution of lower concentration through a semi permeable membrane. What is incorrect in this statement?

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Q. Photosynthesis is a process

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Q. On which of the following plants did Gregor Mendal perform his classical experiment?

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Q. Pigmentation of skin is due to

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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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