591: Assertion (A):

Emperor Akbar marched towards Afghanistan in 1581 with a huge army.

Reason (R):

He was on his way to reclaim his ancestral country of Ferghana in Central Asia.

(a) Both A and R are individually true and R is the correct explanation of A

(b) Both A and R are individually 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
592: The real intention of the British to include the princely states in the Federal Union proposed by the India Act of 1935 was to

(a) exercise more and direct political and administrative control over the princely states

(b) involve the princes actively in the administration of the colony

(c) finally effect the complete political and administrative take-over of all the princely states by the British

(d) use the princes to counter-balance the anti-imperialist doctrines of the nationalist leaders
593: What does the term Dolby B, or Dolby C printed on tape recorders and other sound system refer to?

(a) Frequency modulated system

(b) Amplitude modulated system

(c) Noise reduction circuit

(d) Both DC and AC power can be used.
594: Consider the following statements:

1.The annual range of temperature is greater in the Pacific Ocean than that in the Atlantic Ocean.

2. The annual range of temperature is greater in the Northern Hemisphere than that in the Southern Hemisphere.

Which of the statements given above is/are correct?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
595: With reference to 'fly ash' produced by the power plants using coal as fuel, which of the following statements is/are correct?

1. Fly ash can be used in the production of bricks for building construction.
2. Fly ash can be used as a replacement for some of the Portland cement concrete.
3. Fly ash is made up of silicon dioxide and calcium oxide only, and does not contain any toxic elements.

Select the correct answer using the code given below.
(a) 1 and 2
(b) 2 only
(c) 1 and 3
(d) 3 only