Combined Defence Services (CDS) Solved 2008 Paper

1. In India, which one of the following has the lowest density of population as per Census 2001 ?
(a) Andaman and Nicobar Islands
(b) Arunachal Pradesh
(c) Mizoram
(d) Sikkim
Ans: ( b )

2. Consider the following statements :
1. Foehn is a very cold and dry wind with a high velocity and brings down the temperature below freezing point.
2. Mistral is a strong, gusty, dry and warm wind which develops on the leeward side of a mountain range.
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
Ans: ( d )

3. Which one of the following pairs is not correctly matched ?
(a) Croatia : Adriatic Sea
(b) France : Bay of Biscay
(c) Norway : Baffin Bay
(d) Romania : Black sea
Ans: ( c )

4. Consider the following statements :
1. Mauritius island is of volcanic origin.
2. Maldives are coral islands.
3. Reunion islands are mountain peaks projected out of water.
Which of the statements given above are correct ?
(a) 1 and 2
(b) 2 and 3
(c) 1 and 3
(d) 1, 2 and 3
Ans: ( d )

5. Consider the following statements :
1. The atmospheric pressure is more at the poles as compared to the equator.
2. The annual range of temperature is more at the equator as compared to the poles.
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
Ans: ( c )

6. Consider the following statements :
1. The Council of Ministers of the Union are responsible to both the Houses of Parliament.
2. The President of India cannot appoint any one as Union Minister not recommended by Prime Minister.
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
Ans: ( b )

7. Synthetic ethanal is produced by reacting ethane (in the presence of phosphoric acid) with
(a) Hydrogen
(b) Potassium dichromate
(c) Oxygen
(d) Water
Ans: ( a )

8. By which Amendment Act of the Constitution of India were the Directive Principles of the state policy given precedence over the Fundamental Rights wherever they come into conflict ?
(a) 40th
(b) 42nd
(c) 44th
(d) 46th
Ans: ( b )

9. Deficiency of which vitamin results in inflammation of skin and eczema along with diarrhoea ?
(a) Ascorbic acid
(b) Folic acid
(c) Nicotinic acid
(d) Pantothenic acid
Ans: ( c )

10. Which one of the following is known as Salt Petre ?
(a) NaCl
(b) NaNO3
(c) Na2CO3
(d) NaHCO3
Ans: ( b )

11. Consider the following plants
1. Cycas
2. Pea
3. Pinus
In which of the above, the seeds are not enclosed in fruits ?
(a) 1 only
(b) 1 and 2
(c) 1 and 3
(d) 2 and 3
Ans: ( c )

12. Consider the following elements
1. Cobalt
2. Phosphorus
3. Zinc
Which of the above elements are required for maintaining healthy human body ?
(a) 1 and 2
(b) 2 and 3
(c) 1 and 3
(d) 1, 2 and 3
Ans: ( d )

13. When a drop of waterbreaks into two droplets of equal size, the sum of the surface areas of the two droplets is equal to that of the original drop.
Which of the statements given above are correct ?
(a) 1 and 2
(b) 1 and 3
(c) 2 and 3
(d) 1, 2 and 3
Ans: ( a )

14. When sound wave is refracted from air to water, which of the following will remain unchanged ?
(a) Wave number
(b) Wavelength
(c) Wave velocity
(d) Frequency
Ans: ( d )

15. Whose experiments proved that the speed of light was always the same ?
(a) James Clark Maxwell
(b) Michelson and Morley
(c) Miller and Stanley
(d) Werner Heisenberg
Ans: ( b )