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Biology

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

Iron
Cobalt
Calcium
Sodium

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Biology
A cell consists of three main components which of________

Protoplasm ,Nucleus,Plasma membrane
Plasma membrane,Nucleus,Golgi bodies
Protoplasm,Nucleoplasm,Cytoplasm
Nucleus,Ribosomes,Plasma membrane

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Biology
Anopheles mosqito carries Plasmodium which causes malaria in

Sparrows
Humans
All of these
Animals

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Biology
In man there are how pairs of homologous chromosomes?

11
46
23
16

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

Xanthophyll
melanin
carotene
flavoxanthin

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Biology
Goitre is caused by the deficiency of ________

Chlorine
Calcium
Iodine
Zinc

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