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Biology

Biology
Commercial agar agar is obtained from

Gracilaria
Volvox
Chlorella
Parphyro

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Biology
Plant bends towards the source of light on account of the movement of curvature known as

chemotropism
thigmotropism
geotropism
phototropism

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Biology
Endocrine glands are also known as

Acidic gland
Macro gland
Ductless gland
Micro gland

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Biology
Cold blooded animals are known as

Eurytherms
Homiotherms
Endotherms
Poikilotherms

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Biology
Prothrombin which helps in clotting of blood is released by

lymphocytes
monocytes
erythrocytes
blood platelets

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Biology
Which one of the following processes takes place in lakes during eutrophication?

Excessive entry of nutrient into water
Loss of dissolved nutrients from water
Rapid destruction of algal growth
Excessive availability of dissolved oxygen

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