Sets
General Science Set 17
30 questions 1. The chemical formula of gypsum is:
2. Which of the following festivals follows a solar sidereal calendar?
3. Consider the following statements about the plasma membrane:
(I) Phospholipids are arranged in a bilayer with polar heads towards the outer sides.
(II) The hydrophobic tails lie towards the inner part of the membrane.
(III) Cholesterol is absent from the membrane.
Which of the above is/are correct?
4. When detergent is dissolved in water, its angle of contact with fibres:
5. The diameter of a human red blood cell is about:
6. In the long form of the periodic table, the horizontal rows are called:
7. Surface tension is numerically equal to:
8. The jelly-like cluster of frog eggs seen near the edge of a pond is called:
9. Litmus is extracted from:
10. The periodic to and fro motion of an object about its mean position is called:
11. The tiger (Panthera tigris) belongs to the family:
12. A mixture with uniform composition throughout is called a:
13. The number of significant figures in 4500 m (written without a decimal point) is:
14. Which of the following is a nitrogenous waste removed from the blood in the kidneys?
15. A change in pressure applied to an enclosed fluid is transmitted undiminished to every point of the fluid and the walls of its container. This is known as:
16. Large brown crystals of common salt, formed when seas of bygone ages dried up, are called:
17. The evaporation of water vapour through stomata is called:
18. The time period of a satellite orbiting very close to the surface of the Earth is approximately:
19. Complete separation of the right and left sides of the heart is useful in animals with high energy needs, such as:
20. A 5–8% solution of acetic acid in water is called: