General Science Quiz 344 (20 MCQs)

Quiz Instructions

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1. All are Scalar quantities EXCEPT
2. Comets cannot be older than?
3. Which blood cells cause resistance to diseases
4. Which energy source is renewable?
5. What atom is represented by 35 protons, 45 neutrons, and 35 electrons?
6. A food chain comprises frog, insect, bird and grass. Which organism is likely to have maximum concentration of harmful non-biodegradable chemicals in it?
7. The capacity to do the work is called
8. Who helps clot the bleeds?
9. Which of the following is the unit of electrical current?
10. Increasing in physical size is.....
11. In the Bohr model of the atom, ELECTRONS spin around the nucleus in orbits called.....
12. A substance capable of dissolving one or more other substances.
13. What is the "blanket" of air that surrounds the Earth called?
14. A close living situation between 2 species where at least one of the species benefits
15. Believes Arizona was once covered by water that came and receded many times, leaving another layer of sediment every time.
16. Which is classified incorrectly?
17. Which definition describes the following word.Cotyledon
18. Genetics/heredity
19. The memory centre of the brain was demonstrated by
20. What is the contribution of Henrich Hertz in physics?