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Biology

Biology
Sickle-cell anaemia is due to

Viruses
Bacteria
Genes
Hormones

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Biology
Which one of the following is the longest flower in the world?

Glory Lily
Lotus
Sunflower
Rafflesia

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

flavoxanthin
Xanthophyll
carotene
melanin

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Biology
Placenta is the structure formed

by fusion of germ layers
None of these
by the union of foetal and uterine tissue
by foetus only

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Biology
Medulla oblongata is a part of which of the following?

Brain
Heart
Stomach
Lungs

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Biology
Spiders belong to the phylum

Mollusca
Cnidaria
Annelida
Arthropoda

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MORE MCQ ON Biology

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