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Biology

Biology
What is common in both striated and cardiac cell

Shape
Striations
Number
Contractions

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Biology
Through Nitrogen fixation process nitrogen in the atmosphere is converted into

Ammonium
Hydroxide
Nitrate
Chlorite

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Biology
Rate of breathing in a minute by man is

16-18
20-25
70-72
15311

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Biology
Muscular wall of the heart is externally covered by

Epithelium
Epicardium
Endothelium
Myocardium

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Biology
Pigmentation of skin is due to

leucocytes
lymphocytes
melanocytes
monocytes

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

Vitamin B2
Vitamin D
Vitamin B1
Vitamin K

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