NDA/NA SOLVED PAPER 2015-II (GENERAL KNOWLEDGE)Total Questions: 10031. Which one of the following statements is not correct?(a) The Kelvin scale of temperature is called the Absolute scale(b) Visible light radiation has wavelength range of 400-700 nm(c) The capacity to do work is called power(d) The wavelength of Gamma rays is less than that of X-raysCorrect Answer: (c) The capacity to do work is called power32. A man is sitting in a train which is moving with a velocity of 60 km/hour. His speed with respect to the train is:(a) 10/3 m/s(b) 60 m/s(c) infinite(d) zeroCorrect Answer: (d) zero33. Match List I with List II and select the correct answer using the code given below the Lists:List I (Place)List I (Normal vegetation type)A. Western Ghats1. Tropical Moist DeciduousB. Himachal Pradesh2. Tropical EvergreenC. Haryana and Punjab3. Himalayan Moist ForestD. Chhotanagpur Plateau4. Tropical Thorny ForestCodes:ABCD(a)2341(b)1432(c)2431(d)1342(a)(b)(c)(d)Correct Answer: (a)34. The term 'Regur' is used to mean:(a) Laterite soil(b) Deltaic soil(c) Red soil(d) Black cotton soilCorrect Answer: (d) Black cotton soil35. Graphite is a much better conductor of heat and electricity than diamond. This is due to the fact that each carbon atom in graphite:(a) undergoes sp² hybridization and forms three sigma bonds with three neighbouring carbon atoms(b) undergoes sp³ hybridization(c) is tetrahedrally bonded(d) is free from van der Waals forceCorrect Answer: (a) undergoes sp² hybridization and forms three sigma bonds with three neighbouring carbon atoms36. Which one of the following vitamins is synthesized in our own skin?(a) Vitamin A(b) Vitamin B(c) Vitamin C(d) Vitamin DCorrect Answer: (d) Vitamin D37. Which one of the following is the SI unit of the thermal conductivity of a material?(a) Wm⁻¹K⁻¹(b) Wm/K(c) Wm⁻¹/K⁻¹(d) Js⁻¹m⁻¹KCorrect Answer: (a) Wm⁻¹K⁻¹38. Which one of the following statements is not correct?(a) Conduction can occur easily in solids, less easily in liquids but hardly at all in gases(b) Heat energy is carried by moving particles in a convection current(c) Heat energy is carried by electromagnetic waves in radiation(d) The temperature at which a solid changes into a liquid is called the boiling pointCorrect Answer: (d) The temperature at which a solid changes into a liquid is called the boiling point39. Which one of the following combinations of stalactites and stalagrnites occurrences is correct?(a) Stalactites hang as icicles of different diameters and stalagmites hang from the floor of the caves *(b) Stalactites hang as icicles of different diameters and stalagmites rise up from the floor of the caves(c) Stalactites rise up from the floor of the caves and stalagmites hang as icicles of different diameters( d) Stalactites hang as icicles of different diameters and stalagmites also hang as icicles of different diametersCorrect Answer: (b) Stalactites hang as icicles of different diameters and stalagmites rise up from the floor of the caves40. Which one of the following is the correct sequence about various levels of organization of Biosphere?(a) Eco - system - Biosphere - Community - Population(b) Population - Organism - Eco system - Biosphere(c) Organism - Community - Population - Biosphere(d) Organism - Population - Eco system - BiosphereCorrect Answer: (d) Organism - Population - Eco system - BiosphereSubmit Quiz« Previous12345678910Next »
