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Biology

Biology
Which nitrogenous base is not found in dna?

Guanine
Uracil
Thymine
Cytosine

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Biology
The ability to fix atmospheric nitrogen is found in the

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

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Biology
Which one of following is known as pace maker of endocrine gland

Insulin
Adrenalin
Calcitonin
Thyroxin

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Biology
Photosynthesis takes place in the presence of chlorophyll and ________ .

Water
Sunlight
Carbon-dioxide
Nutrients

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Biology
Which one among the following Indian scientists proposed a theory for long distance transport of water in plants ?

Birbal Sahni
N.S. Parihar
P. Maheshwari
J.C. Bose

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Biology
In which Organelle does Cellular Respiration Occur?

Chloroplast
ATP and NADPH
Cytoplasm
Mitochondria

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