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Biology

Biology
The site of RBC formation in human body is

Bone marrow
Liver
Spleen
Heart

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

Xanthophyll
flavoxanthin
carotene
melanin

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Biology
Which among the following is/are female hormones?(i) Estrogen(ii) Progesterone(iii) Testosterone

(ii) and (iii)
(i) and (ii)
(i) and (iii)
Only (iii)

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Biology
The bone Humerus is found in

Thigh
Leg
Fore arm
Upper arm

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Biology
Which is the innermost layer of the heart

Myocardium
Epicardium
Endocardium
Pericardium

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Biology
Spiders belong to the phylum

Cnidaria
Mollusca
Arthropoda
Annelida

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MORE MCQ ON Biology

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