2476: Match List I with List II and select the correct answer by using the codes given below the lists :
List I----------------------- List II
(Events)------------------- (Results)
I. Morley-Minto Reforms---------(A) Country-wide agitation
II. Simon Commission-----------(B) Withdrawal of a movement
III.The Chauri-Chaura incident--(C) Communal Electorates
IV.The Dandi March------------(D) Communal outbreaks
-----------(E) Illegal manufacture of salt
Codes:
(a) I-C, II-D, III-E, IV-B
(b) I-D, II-A. III-B, IV-C
(c) I-B, II-C, III-D, IV-E
(d) I-C, II-A, III-B, IV-E
2477: Acid precipitation is now regarded as a serious problem in some European and Asian countries. Its major cause or source is
(a) discharge of acidic effluents onto neutral or slightly alkaline land where the acidic components precipitate
(b) emissions of sulphur oxides and nitrogen oxides from thermal power plants and burning of fossil fuels; these oxides dissolve in atmospheric water vapour and fall back on earth as acid rain
(c) natural carbon dioxide released during respiration of living organisms dissolves in water, forming carbonic acid which is the chief contributor to acidity in rain water
(d) chloro-fluoro-carbons readily react with various chemicals near the earth's surface, producing acidic intermediates which cause acid precipitation
2478: Consider the following techniques/phenomena:
1. Budding and grafting in fruit plants
2. Cytoplasmic male sterility
3. Gene silencing
Which of the above is/are used to create transgenic crops?
(a) 1 only
(b) 2 and 3
(c) 1 and 3
(d) None
2479: Assertion (A):
Italy, Switzerland, Sweden and Norway have abundant power resources.
Reason (R):
They have the largest coal deposits in Europe. Of these statements
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
2480: It takes 11 seconds for the light to reach the earth from moon and 8 minutes from the sun. How much time will it take from the nearest bright star to reach the earth?
(a) 4.5 minutes
(b) 45 minutes
(c) 45 months
(d) 4.3 light years