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Biology

Biology
Stomata open at night in

C4 plants
C3 plants
Succulent plants
CAM plants

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Biology
A man whose blood group is not known meet with a serious accident and needs blood transfusion immediately. Which one of the blood group mentioned below and readily available in the hospital will be safe for transfusion

AB, Rh-
O, Rh-
AB, Rh+
O, Rh+

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Biology
Infection of salivary glands by a virus leads to

Pyorrhoea
Ulcers
Mumps
Tetanus

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Biology
Pigmentation of skin is due to

monocytes
melanocytes
leucocytes
lymphocytes

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Biology
Sickle-cell anaemia is due to

Hormones
Bacteria
Viruses
Genes

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Biology
In which year, Schwann and Schleiden suggested that cells were the basic unit of life

1852
1849
1832
1839

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MORE MCQ ON Biology

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