31.  Synthetic detergents are
1.sodium salts of fatty acids
2.able to produce lather freely with hard water
3.calcium salts of fatty acids
4.a mixture of sodium slats of aromatic and aliphatic sulphonic acids. The correct statements are:

32.  Which of the following is not a compound of calcium?

33.  The minor planets revolving between the orbits of Mars and Jupiter are called

34.  Who among the following is referred to as 'father of gene therapy'?

35.  Alcohol causes
1.cirrhosis of the liver
2.acute glomerulonephritis
3.cardiomyopathy
4.cancer of the mouth, pharynx, larynx and oesophagus

36.  1 KB (kilobyte) and 1 MB (megabyte) are respectively equal to

37.  Gasoline is
1.Same as diesel oil
2.Same as petrol
3.Obtained from natural gas
4.Obtained from crude oil The correct answers are:

38.  Plants absorb dissolved nitrates from soil and convert them into

39.  Graphite and heavy water are two common moderators used in a nuclear reactor. The function of the moderator is to

40.  Human blood contains --- percentage of plasma.

41.  Green plants evolve oxygen during the day rather than carbon dioxide. This means that:

42.  Which of the following nitrogenous excretory products can be excreted in solid form?

43.  For a solution of volatile liquids, the partial vapour pressure of each component in solution is directly proportional to its

44.  Consider the terms in lists 1 and 2 below. List I (Types of rocks) List II (Rocks) A. Sendimentary
1.Chalk B. Metamorphic
2.Granite C. Igneous
3.Marble D. Organic
4.Dolomite Correct Codes are: A B C D

45.  The only movable bone in the skull is