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Biology

Biology
Pellagra is caused due to the deficiency of

Thiamine
Pyridoxine
Riboflavin
Niacin

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Biology
Cyanobacteria are also known as

Blue Green Algae
Autotrophic bacteria
Red Brown Algae
None of these

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Biology
Which of the following is the largest digestive gland in humans?

Pancreas
Spleen
Hepato-Pancreas
Liver

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Biology
Pollen grains in plants are produced in

flower
leaves
roots
stem

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Biology
Smallest bone of human body is

Nails
Stapes
Bone of nose
Fibula

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Biology
The ability to fix atmospheric nitrogen is found in the

Cholrella
Leaves of some crop plants
Some blue-green algae
Some marine red algae

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