General Ability (Part-2) NDA/NA Solved Paper 2020-ITotal Questions: 10041. Which one ofthe following statements regarding magnetic field is NOT correct?(a) Buckminsterfullerene is an allotrope of carbon(b) Diamond is a good conductor of electricity(c) Graphite is a good conductor of electircity(d) In graphite, each carbon atom is linked to three other carbon atomsCorrect Answer: (c) Graphite is a good conductor of electircity42. How many covalent bonds are present in a Chloropropane moleculehaving molecular formula, C₂H₇CI?(a) 6(b) 8(c) 9(d) 10Correct Answer: (d) 1043. Which one of the following statements is NOT correct?(a) Buckminsterfullerene is an allotrope of carbon(b) Diamond is a good conductor of electricity(c) Graphite is a good conductor of electircity(d) In graphite, each carbon atom is linked to three other carbon atomsCorrect Answer: (b) Diamond is a good conductor of electricity44. Which one of the following is the most fundamental characteristic of an element?(a) Melting point(b) Atomic number(c) Colour(d) Atomic weightCorrect Answer: (b) Atomic number45. Neutrons were discovered by(a) James Chadwick(b) Ernest Rutherford(c) J. J. Thomson(d) John DaltonCorrect Answer: (a) James Chadwick46. Atomic mass of an element is equal to the sum of number of(a) electrons and protons only(b) protons and neutrons only(c) electrons and neutrons only(d) electrons, protons and neutronsCorrect Answer: (b) protons and neutrons only47. Which one of the following element's isotope is used in the treatment of cancer?(a) Uranium(b) Cobalt(c) Sodium(d) IodineCorrect Answer: (b) Cobalt48. Which one of the following cell organelles may play a role in expelling excess water and wastes in case of unicellular organisms?(a) Lysosome(b) Vacuole(c) Golgi body(d) Endoplasmic reticulumCorrect Answer: (b) Vacuole49. Which one of the following terms describes the practice of growing two or more crops simultaneously on the same piece of land?(a) Crop rotation(b) Mixed cropping(c) Intercropping(d) Mixed farmingCorrect Answer: (b) Mixed cropping50. Which one of the following statements is correct about effects of antibiotics on viruses?(a) Viruses are "non-living" entities but it can interact with antibiotics(b) Taking antibiotics cures viral infections(c) Viruses do not possess metabolic pathways on which antibiotics can function, whereas bacteria have such pathways(d) Viruses are resistant to antibioticsCorrect Answer: (c) Viruses do not possess metabolic pathways on which antibiotics can function, whereas bacteria have such pathwaysSubmit Quiz« Previous12345678910Next »