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Biology

Biology
Which of the following vitamin helps in clotting of blood?

Vitamin K
Vitamin B2
Vitamin B1
Vitamin D

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Biology
Release of water from plants as water droplet is known as

Guttation
Root pressure
Transpiration
Osmotic pressure

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Biology
Chemicals like ________ may be added to different foods or fruits to prevent or retard the growth microorganisms

Sulphur
Potasium
Potassium metabisulphite
Calcium

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Biology
The gas released during the photosynthesis by the green plants is

Oxygen
Nitrogen
Water vapour
Carbon dioxide

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Biology
Azolla is a

Fungi
Algae
Bryophyta
Aqueous fern

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Biology
Which part of Nervous system controls involuntary actions

Cerebellum
Spinal cord
Hypothalamus
Medulla oblongata

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