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Biology

Biology
Bacteria were first discovered by

V.Leeuwenhoek
Robert Hooke
Louis Pasteur
Robert Koch

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Biology
Stomata open at night in

CAM plants
C3 plants
C4 plants
Succulent plants

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Biology
It is composed of two polynucleotide chains which are coiled round each other in the form of a double helix.

RNA
None of these
Fats
DNA

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Biology
Goosebumps are caused by contractions of the

Nerves
Bones
Muscles
All of these

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Biology
Oxygenated blood flows through which vessel?

Pulmonary Arteries
None of these
Pulmonary Veins
Both A & B

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Biology
The numerous minute pores in the epidermis of a leaf are called

Lenticels
Stomata
Hydathodes
Perforation

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