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Biology

Biology
Which nutrient has forms most of our body weight?

Proteins
Carbohydrates
Fats
Water

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Biology
Anaemia is caused because of deficiency of which of the following?

Iron
Calcium
Sodium
Cobalt

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Biology
Pollination is best defined as

transfer of pollen from anther to stigma
growth of pollen tube in ovule
visiting flowers by insects
germination of pollen grains

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Biology
The device to measure transpiration in plants is

Crescometer
Clinometer
Hygrometer
Potometer

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

Xanthophyll
flavoxanthin
melanin
carotene

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Biology
Our major foods, fibres, spices, fruits and beverage crops are

flowering plants
bryophytes
pteridophytes
gymnosperms plants

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