2296: The words in the first column are written in a secret code in the second column. However, the secret writings in the second column are not in the same order. What is the code assigned for the letter D?
BRAIN 13529
DRAIN 35293
RIVER 13754
DRIVE 83754
(a) 3
(b) 5
(c) 1
(d) 9
2297: What can be the impact of excessive / inappropriate use of nitrogenous fertilizers in agriculture?
1. Proliferation of nitrogen-fixing microorganisms in soil can occur.
2. Increase in the acidity of soil can take place.
3. Leaching of nitrate to the ground-water can occur.
Select the correct answer using the code given below.
(a) 1 and 3 only
(b) 2 only
(c) 2 and 3 only
(d) 1, 2 and 3
2298: Assertion (A):
A lock of Einstein's hair, if scientists could locate it and extract its DNA, could help in producing another Einstein, by cloning.
Reason (R):
The DNA extracted from the cell of an embryo at an early stage of development, can be transferred to individual eggs which in turn can be implanted into the uterus of a surrogate mother to give birth to an identical off spring.
In the context of the above two statements, which one of the following is correct ?
(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
2299: The phenomenon of mirage is due to:
(a) Increased absorption of light by air at higher temperature
(b) Change in the refractive index of air with the change in temperature
(c) Total internal reflection
(d) Decreased absorption of light by air at higher temperature
2300: Match List I with List II and select the correct answer using the codes given below the Lists :
List I---------------- List II
(Industries)--------------- (Industrial Centres)
I. Pearl fishing--------- (A) Pune
II. Automobiles---------- (B) Tuticorin
III. Ship-building----------- (C) Pinjore
IV. Engineering goods---------- (D) Marmagao
Codes:
(a) I-B, II-A, III-D, IV-C
(b) I-B, II-A, III-C, IV-D
(c) I-A, II-B, III-D, IV-C
(d) I-A, II-B, III-C, IV-D