Sets
General Science Set 27
30 questions 1. Which of the following is a chemical property?
2. Which ions play a very important role in blood clotting?
3. In humans, sound is produced by the vibration of:
4. Crude petroleum is separated into its different fractions by:
5. An oily patch left on paper when a food item is pressed in it indicates the presence of:
6. Which of the following has no dimensions?
7. Reflex arcs are formed in the:
8. The reaction of iron(III) oxide with aluminium, used to join railway tracks, is called:
9. A body in uniform circular motion has non-zero acceleration because:
10. Consider the following pairs:
(I) Fish – Fins
(II) Goat – Legs
(III) Ant – Wings
Which of the pairs given above is/are correctly matched?
11. A piston oscillating in an air-filled tube produces a sound wave of frequency 50 Hz. The number of oscillations completed by the piston in one minute is:
12. Soap micelles stay in solution and do not precipitate because of:
13. The transport of soluble products of photosynthesis from leaves to other parts of the plant is called:
14. When a ray of light is incident along the normal to a mirror, the angle of reflection is:
15. Pure ethanoic acid often freezes in winter in cold climates, giving rise to the name:
16. The Father of Microbiology is:
17. In a regular year, the Indian National Calendar begins on:
18. The rhythmic contractions of the muscles lining the alimentary canal that push food forward are called:
19. Any substance that is used to create an object is called a:
20. The image formed by the eye lens on the retina is: