Sets
General Science Set 62
30 questions 1. In sexual reproduction, the genetic material contributed by the father and the mother is:
2. At sea level, the height of the mercury column in a barometer is about:
3. Sodium chloride, formed from hydrochloric acid and sodium hydroxide, is a:
4. The reproductive parts of a flower are:
5. The valency of an element with electronic configuration 2, 8, 6 is:
6. Mendel's experiments on the rules of inheritance were carried out on:
7. The physical and chemical changes in rocks that eventually lead to soil formation are collectively called:
8. Two magnetic field lines cannot intersect because at the point of intersection the compass needle would:
9. Plant tissues are broadly classified into meristematic and permanent tissues on the basis of their:
10. When an iron nail is dipped in copper sulphate solution, the blue colour of the solution fades because:
11. Both the resistance and the resistivity of a material vary with:
12. The first person to observe a cell, in 1665, using a self-designed microscope was:
13. An object of weight 8000 N rests on four identical feet, each of area 0.10 m². The pressure on the ground is:
14. The white powder formed on burning a magnesium ribbon in air is:
15. The phagocytic leucocytes are:
16. The sum of 12.34 g, 5.6 g and 0.789 g, to the correct precision, is:
17. Menstruation may last for:
18. Consider the following statements:
(I) Excessively acidic soil can be treated with lime.
(II) Basic soil can be treated with organic matter such as manure and composted leaves.
(III) Excessive use of chemical fertilisers can make soil acidic.
Which of the above is/are correct?
19. In a hydraulic lift the small and large pistons have areas 10 cm² and 200 cm². A force of 50 N is applied on the small piston. The force on the large piston is:
20. The removal of harmful metabolic by-products from the body is called: