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

Total Questions: 100

51. An up fold in rock is:

Correct Answer: (c) anticline

52. Which one of the following gases is found in highest quantity in Exosphere?

Correct Answer: (a) Hydrogen
Solution:

Hydrogen is present throughout the exosphere, with some helium, carbon dioxide, and atomic oxygen near its base.

53. In blood, platelets are required for:

Correct Answer: (c) initiating blood clotting
Solution:

Platelets are responsible for blood clotting.

54. In SI unit of force 'Newton' (N) is given by (where m stands for metre and S stands for second):

Correct Answer: (b) 1N=1 kgm/s²
Solution:

SI unit of force Kg.m/s²

55. The acceleration due to gravity 'g' for objects on or near the surface of earth is related to the universal gravitational constant 'G' as ('M' is the mass of the earth and 'R' is its radius):

Correct Answer: (b)
Solution:

g = GM/R²

56. Match List I with List II and select the correct answer using the code given below the Lists:

List I (Low-Latitude Climate)List I (Characteristic)
A. Wet Equatorial1. Uniform temperatures, mean near 27 °C
B. Monsoon and trade wind coastal2. Marked temperature cycle with very high temperature before the rainy season
C. Wet-dry tropical high-3. Temperatures show an annual cycle with high temperature in the Sun season
D. Dry tropical4. Strong temperature cycle, with intense temperature during high-Sun season

Codes:

ABCD
(a)2341
(b)1234
(c)2431
(d)1324
Correct Answer: (d)

57. Match List I with List II and select the correct answer using the code given below the Lists:

List I (Element)List I (Use)
A. Li1. Time keeper in atomic clocks
B. Na2. Batteries
C. K3. Transfer of nerve impulses
D. Cs4. Control of the water content in the blood

Codes:

ABCD
(a)2341
(b)1234
(c)2431
(d)1324
Correct Answer: (a)
Solution:

Lithium batteries are batteries that have lithium as an anode. These types of batteries are also referred to as lithium-metal batteries. The membrane get polarized with the movement of Na+ ion and crate appropriate potential across membrane.

K control the water balance in blood. Caesium clocks are the most accurate & commercially produced time and frequency standards, and serve as the primary standard for the definition of the second in SI (the metric system).

58. Which one of the following is not a site of action in human body for the malarial parasite plasmodium?

Correct Answer: (b) Kidney
Solution:

Kidneyis not a site of action in human body for malarial parasite Plasmodium.

59. The loudness of sound is related to:

Correct Answer: (b) its amplitude
Solution:

Loudness of sound is related to amplitude.

60. X-rays are electromagnetic radiation whose wavelengths are of the order of:

Correct Answer: (d) 10⁻¹⁰ metre
Solution:

X-rays electromagnetic radiation having wavelength 10⁻¹⁰ metre.