NDA/NA SOLVED PAPER 2015-II (GENERAL KNOWLEDGE)

Total Questions: 100

11. Consider the following reaction:

Correct Answer: (b) water gas

12. Living things are grouped into subgroups like plant kingdom/animal kingdom. Which one of the following is not correct for animal kingdom?

Correct Answer: (b) Body contains cellulose

13. The silvering in thermos flasks is done to avoid heat transfer by:

Correct Answer: (c) Radiation

14. The Manas National Park is situated in the State of:

Correct Answer: (c) Assam

15. Addition of gypsum to cement:

Correct Answer: (c) increases setting time of cement

16. In case of a compound microscope which of the following statements is/are correct?

1. The focal length of the eye piece is larger than the focal length of the objective
2. The focal length of the eye piece is smaller than the focal length of the objective
3. The image produced in a normal optical microscope is real
4. The image produced in a normal optical microscope is virtual

Select the correct answer using the code given below:

Correct Answer: (b) 1 and 4

17. Which one of the following statements is not correct?

Correct Answer: (b) Power of a convex lens is negative and that of a concave lens is positive

18. Identify the place that is not an oil field:

Correct Answer: (c) Ledo

19. Ammonia (NH3) obtained from different sources always has same proportion of Nitrogen and Hydrogen. It proves the validity of law of

Correct Answer: (b) Constant proportion

20. Which one of the following statements is not correct?

Correct Answer: (b) If the velocity is zero at an instant, the acceleration should also be zero at that instant