4396: Recently, linking of which of the following rivers was undertaken?
(a) Cauvery and Tungabhadra
(b) Godavari and Krishna
(c) Mahanadi and Sone
(d) Narmada and Tapti
4397: In the FIFA World Cup Football event in the year 2002, the number of goals scored by Ronaldo of Brazil was
(a) 6
(b) 7
(c) 8
(d) 9
4398: What is/are unique about 'Kharai camel', a breed found in India?
1. It is capable of swimming up to three kilometres in seawater.
2. It survives by grazing on mangroves.
3. It lives in the wild and cannot be domesticated.
Select the correct answer using the code given below.
(a) 1 and 2 only
(b) 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
4399: 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
4400: Consider the following statements:
1. INS Sindhughosh is an aircraft carrier.
2. INS Viraat is a submarine.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 & 2
(d) Neither 1 nor 2