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 hind brain?
(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

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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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