Q. The compound used as an antimalarial drug is -
1) Aspirin
2) Chloroquine
3) Penicillin
4) Hydroquinone
Q. The pH of human blood is around -
1) 3
2) 7.5
3) 12
4) 6
Q. In the human body, the most abundant element is -
1) Carbon
2) Calcium
3) Nitrogen
4) Oxygen
Q. The best fertilizer for plants is -
1) Compost
2) Ammonium sulphate
3) Super phosphate of lime
4) Urea
Q. The most abundant source of iron is -
1) Milk
2) Green vegetables
3) Eggs
4) Beans
Q. The bacteria responsible for nitrogen fixation is found in the roots of -
1) Grass
2) Citrus plants
3) Leguminous plants
4) Neem tree
Q. In human systems, vitamins cannot -
1) Help in digestion
2) Help in metabolizing drugs
3) Help in growth
4) supply energy
Q. An eye defect which usually results from an unequal curvature of the cornea is -
1) nearsightedness
2) astigmatism
3) color blindness
4) night blindness
Q. Anemia occurs due to the lack of -
1) Iodine
2) Calcium
3) Potassium
4) Iron
Q. What is the causative agent of footrot disease?
1) Bacteria
2) Fungus
3) Virus
4) Protozoa
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