Biology Quiz | Basic Biology MCQ Test Questions from 6 to 10. Link to Biology Quiz (PDF) is given below.

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6. About ________ of the body weight of a mammal is water.
(A) 60%
(B) 65%
(C) 70%
(D) 75%

7. On wound ________ fight foreign particles, like bacteria.
(A) White Blood cells
(B) Red Blood Cells
(C) Platelets
(D) Plasma

8. Blood is carried towards the heart by
(A) Arteries
(B) Capillaries
(C) Veins
(D) none of these

9. ________ is essential for the formation of haemoglobin.
(A) Calcium
(B) Iron
(C) Water
(D) Carbohydrates

10. _________ are needed as a source of energy for the vital activities of the body.
(A) Calcium
(B) Iron
(C) Water
(D) Carbohydrates

ANSWERS: BIOLOGY QUIZ
6. (C) 70%
7. (A) White Blood cells
8. (C) Veins
9. (B) Iron
10. (D) Carbohydrates Next: Biology Quiz 11–15

Biology Quiz (PDF)
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