Science MCQs Practice Test for Grade-6 Grade-7 Grade-8

Science MCQs Practice Test for Grade-6 Grade-7 Grade-8

Q. No.1. Which of the following is a part of hindbrain?
(a) Cerebrum (b) Pons
(c) Thalamus (d) Hypothalamus

Ans. B

Q. No.2. The tube which joins kidney and urinary bladder is called
(a) medulla (b) cortex
(c) ureter (d) urethra

Ans.C

Q. No.3. Technique used to remove medium sized stones from kidney is:
(a) angiography (b) lithotripsy
(c) dialysis (d) cloning

Ans. B

Q. No.4. Which of the following events occurs during interphase of cell division
(a) Division of cytoplasm
(b) Division of nucleus
(c) Duplication of chromosomes
(d) Formation of cell wall

Ans. C

Q. No.5. The use of microorganisms to benefit human beings is called:
(a) genetic engineering (b) tissue culture
(c) biotechnology (d) vaccination

Ans. C

Q. No.6. We can recognize the parents of a child by:
(a) gene therapy (b) genetic testing
(c) cloning (d) selective breeding

Ans. B

Q. No.7. Carbon monoxide causes:
(a) skin cancer (b) tetanus
(c) cholera (d) headache

Ans. D

Q. No.8. In greenhouse, which energy is absorbed to provide heat?
(a) Hydro (b) Solar
(c) Wind (d) Nuclear

Ans.B

Q. No.9. The salt used in purification of water is:
(a) sodium carbonate
(b) potassium nitrate
(c) potash alum
(d) copper sulphate

Ans. C

Q. No.10. Which of the following does NOT happen when iron is heated?
(a) Its temperature increases
(b) Its particles gain energy
(c) It contracts
(d) It expands

Ans. C

Q. No.11. The gases used in the tanks of astronauts are oxygen and:
(a) hydrogen (b) nitrogen
(c) chlorine (d) helium

Ans. B

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