46. In the universe, what are pulsars?
(A) Radio waves emitted by a star
(B) A group of stars
(C) Rotating neutron stars
(D) Explosion of a star
47. In the context of lab-grown diamonds (LGDs), what is used as a diamond seed?
(A) Cubic zirconia (CZ)
(B) White sapphire
(C) Moissanite
(D) Graphite
48. What is the ‘fibre’ used to make bulletproof jackets?
(A) Kevlar
(B) Nylon
(C) Terylene
(D) Tweed
49. What is/are the full form(s) of HMX?
1. High Melting Explosive
2. High-Density Monoatomic Xenon
3. Hedge Monetizing Xeno currency
4. Her Majesty’s Explosive
Select the correct answer using the codes given below.
(A) 1 and 4
(B) 1 and 2
(C) 2 and 3
(D) Only 1
50. What is the name of Tesla’s humanoid robot launched in October 2022?
(A) Optimus
(B) Sophia
(C) Atlas
(D) Pepper po
51. What is the ‘Manhattan Project’?
(A) A famous theme park
(B) A research and development undertaking that produced the first nuclear weapons
(C) One of the largest art auctions of the world
(D) A real estate project in New York City
52. The image formed by concave mirror is real, inverted and of the same size as that of the object. The position of the object should be
(A) beyond the centre of curvature
(B) at the focus
(C) at the centre of curvature
(D) between the focus and centre of curvature
53. A photoelectric cell is a device which
(A) stores light energy
(B) converts light energy into electric energy
(C) converts electric energy into light energy
(D) None of the above
54. The amount of solute present per unit volume or per unit mass of the solution/solvent is known as ________ in Chemistry.
(A) concentration of solution
(B) composition of solute
(C) concentration of solvent
(D) concentration of solute
55. How do COVID vaccines stimulate an immune response?
(A) By introducing antibodies against SARS-CoV-2 virus
(B) By introducing attenuated virus live SARS-CoV-2
(C) By introducing a real SARS-CoV-2 virus
(D) By introducing a harmless piece of SARS-CoV-2 virus
56. Which of the following animals was not known to the people of the Indus Valley Civilization?
(A) Elephant
(B) Bull
(C) Horse
(D) None of the above
57. Which of the following is not a UNESCO World Heritage Site?
(A) India Gate
(B) Qutb Minar
(C) Red Fort
(D) None of the above
58. The concept of the Directive Principles of State Policy in was the Indian Constitution borrowed from the Constitution of
(A) Ireland
(B) England
(C) Switzerland
(D) None of the above
59. Sikkim became a full-fledged State of the Union of India in
(A) 1976
(B) 1974
(C) 1975
(D) None of the above
60. Which among the following currencies is the costliest?
(A) US Dollar
(B) Euro
(C) Pound Sterling
(D) None of the above
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