3146: Which one of the following fuels causes minimum environmental pollution ?
(a) Diesel
(b) Coal
(c) Hydrogen
(d) Kerosene
3147: Which one of the following is an insectivorous plant?
(a) Passion flower plant
(b) Pitcher plant
(c) Night queen
(d) Flame of the forest
3148: Assertion (A) :
In a motion picture, usually 24 frames are projected every second over the whole length of the film.
Reason (R) :
An image formed on the retina of eye persists for about 0.1 s after the removal of stimulus.
(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 a correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
3149: Consider the following crops :
1. Cotton
2. Groundnut
3. Maize
4. Mustard
Which of the above are Kharif crops?
(a) 1 and 2
(b) 1, 2 and 3
(c) 3 and 4
(d) 1, 2, 3 and 4
3150: In what sequence are the following obtained from a natural gas well?
1. Natural Gas
2. Water
3. Crude oil
(a) 1, 3, 2
(b) 1, 2, 3
(c) 3, 2, 1
(d) 2, 1, 3