41. Which one of the following pairs of enzymes do not work at acidic pH ?
(a) Trypsin and Pepsin
(b) Chymotrypsin and Pepsin
(c) Trypsin and Amylase
(d) Pepsin and Amylase

42. Urea is produced by metabolism of
(a) Proteins
(b) Carbohydrates
(c) Lipids
(d) Both Proteins and Carbohydrates

43. Deficiency of iron causes
(a) Anaemia
(b) Scurvy
(c) Rickets
(d) Cholera

44. If an object of mass 10 kg is moving with a uniform speed of 10 m/s, then the linear momentum and the kinetic energy of the object, respectively, are !
(a) 100 N.s and 500 J
(b) 100 N.s and 1000 J
(c) 200 N.s and 500 J
(d) 200 N.s and 1000 J

45. An electrical circuit having combinations of resistances and capacitance is given below. The current, flowing through the circuit will be

(a) 1A
(b) 2A
(c) 1.5 A
(d) 0.5 A

46. The pitch of a sound. wave depends upon which one of its following characteristics ?
(a) Speed
(b) Loudness
(c) Amplitude
(d) Frequency

47. The device used for measuring electric current in a circuit is called
(a) Ammeter
(b) Motor
(c) Voltmeter
(d) Generator

48. A metal wire of length 1 and diameter d has a resistance R. What would be the resistance of another wire of the same metal and of same length but having double the diameter?
(a) R
(b) R/4
(c) R/2
(d) 2R

49. In India, which one of the following is responsible for the implementation of the Government of India’s policy in all matters concerning telecommunications?
(a) Digital Communications Commission
(b) Telecom Regulatory Authority of India
(c) Telecom Advisory Committee
(d) Telecommunications Consultants India Limited

50. Consider the following statements about James Webb Space Telescope (JWST):
1. It is the largest observatory ever launched into space.
2. It has been developed by NASA in partnership with the European Space Agency and the Canadian Space Agency.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2

51. India has achieved the 10 percent Ethanol blending much ahead of the targeted date. Which one among the following greatly benefits from this?
(a) Cassava plantations
(b) Maize farming
(c) Sugar industry
(d) Wine industry

52. Consider the following statements regarding e-RUPI prepaid digital vouchers :
1. The maximum amount of e-RUPI is rupees one lakh.
2. Beneficiaries can receive e-RUPI without having a bank account
3. To receive e-RUPI on mobile phones, e beneficiaries need a smart phone with Internet connection.
Which of the statements given above is/are correct?
(a) 1 and 2
(b) 3 only
(c) 1 and 3
(d) 2 only

53. Recently, India’s first green hydrogen-based advanced fuel cell electric vehicle (FCEV) was launched. It has no tailpipe emissions other than
(a) Hydrogen peroxide
(b) Nitrogen
(c) Oxygen
(d) Water

54. Which one of the following languages was added to the Eighth Schedule by a Constitutional Amendment in 1967 ?
(a) Khasi
(b) Kashmiri
(c) Sindhi
(d) Urdu

55. What were Manigramam and Nanadesi in early medieval India ?
(a) Cluster of non-revenue paying villages
(b) Village-level community groups
(c) Guilds of Indian merchants
(d) Literary societies in the capital towns

56. The Dutch were defeated by Marthanda Varma of Travancore Kingdom in the battle of
(a) Wandiwash
(b) Rakshasi Tangadi
(c) Pullalur
(d) Colachel

57. To which one of the following schools of philosophy did Kumarila Bhatta and Prabhakara belong?
(a) Lokayata
(b) Madhyamika
(c) Purva-Mimamsa
(d) Uttara-Mimamsa

58. The Tolkappiyam is
(a) A work of grammar
(b) A Tamil poem in praise of Rajendra Chola.
(c) An ancient didactic work in Tamil.
(d) A drama composed by a Chera King.

59. On the banks of which one of the following rivers was the ancient Mahishmati located ?
(a) Sarayu
(b) Son
(c) Narmada
(d) Godavari

60. Which one of the following statements about the Public Accounts Committee (PAC) of the Parliament is not correct? 
(a) It examines the Finance Accounts of the Government of India.
(b) Fifteen members of the Committee are elected by the Lok Sabha from amongst its members.
(c) The Chairperson of the Committee is elected by its members.
(d) In case a member of any other Committee constituted by the Government is elected to the PAC, the Speaker of the Lok Sabha decides whether he should continue to be a member of the former Committee.