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Biology

Biology
In which of the following stages of silkworm, silk is secreted

Larva
Adult
Egg
Pupa

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

melanin
flavoxanthin
carotene
Xanthophyll

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Biology
They substances,which assist enzymes act,are called

Co-enzymes
None of these
Substrates
Diastase

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Biology
Which one of the following phylum is characterised by absence of true coelom

Annelida
Echinodermata
Nematoda
Mollusca

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Biology
Plant development is influenced by

quality and quantity of light
quality, quantity and duration of light
quality of light only
quality and duration of light

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Biology
Which nutrient has forms most of our body weight?

Proteins
Fats
Water
Carbohydrates

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