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Biology

Biology
The first root produced from a seed is known as

None of these
Fusiform root
Radicle
Conical root

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Biology
Amoeba belongs to the phylum

Protozoa
Porifera
Platyhelminthes
Annelida

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Biology
Lungs are covered by

Pericardium
Pleura
Peritoneum
Meninges

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Biology
Gymnosperms are characterized by the

Absence of vascular tissues
Presence of seeds in cones
Presence of flowers
Absence of seeds

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Biology
In N2- fixation process, nitrite is converted to nitrate by

Azotobacter
Azospirillum
Nitosomonas
Nitrobacter

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

carotene
Xanthophyll
flavoxanthin
melanin

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MORE MCQ ON Biology

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