21. Botulism is
(a) Food-borne infection
(b) Food-borne intoxication
(c) Water-borne infection
(d) Water-borne intoxication

22. Which Constitution Amendment Act reduced the voting age from 21 years to 18 years ?
(a) 66th Amendment
(b) 62nd Amendment
(c) 61st Amendment
(d) 63rd Amendment

23. With reference to the radioactivity, which of the following statements is/are correct ?
1. Radioactivity is a nuclear property.
2. Hydrogen bomb is prepared on the principle of nuclear fission.
Select the correct answer using the codes given below.
Codes :
(a) Only 1
(b) Only 2
(c) Both 1 and 2
(d) Neither 1 nor 2

24. With reference to NTPC unit at Singrauli, which of the following statement/s is/are correct?
1. It is situated in Northern part of Chhattisgarh State.
2. It is NTPC’s oldest unit.
Select the correct answer using the codes given below.
Codes :
(a) Only 1
(b) Only 2
(c) Both 1 and 2
(d) Neither 1 nor 2

25. Diffusion of light in the atmosphere takes place due to
(a) Carbon dioxide
(b) Dust particles
(c) Helium
(d) Water vapours

26. On the recommendation of which Commission/Committee, the Inter-state Council was set up in India ?
(a) Punchhi Commission
(b) Rajmannar Committee
(c) Kothari Committee
(d) Sarkaria Commission

27. Which one of the following pairs is NOT correctly matched ?
(a) Vitamin-A – Orange
(b) Vitamin-C – Lemon
(c) Vitamin-D – Cod liver oil
(d) Vitamin-B₆ – Rice bran

28. ‘Statue of Peace’ is situated in which State of India ?
(a) Madhya Pradesh
(b) Rajasthan
(c) Gujarat
(d) Himachal Pradesh

29. PM VANI Yojna is related with
(a) Censorship in Print and Digital Media
(b) Development of Lok Sangeet
(c) Audio-Visual Release of Lok Sabha
(d) Availability of Wi-fi in Public places

30. The symbol ‘ECOMARC’ is related to which of the following ?
(a) Goods of best quality
(b) Safe goods for environment
(c) Exported goods
(d) Imported goods

31. Under the Constitution of India which of the following is NOT Fundamental Duty?
(a) To vote in General Election
(b) To develop the scientific temper
(c) To safeguard public property
(d) To abide by the Constitution and respect its ideas

32. The Nobel Peace Prize, 2020 was awarded to which of the following organisations ?
(a) World Food Programme
(b) United Nations Development Programme
(c) World Health Organisation
(d) World Bank

33. Which one of the following is NOT correctly matched ?
. (Ruler)      –  (State)
(a) Rana Hamir – Mewar
(b) Rana Chunda – Marwar
(c) Malik Raja Farooqi – Khandesh
(d) Malik Sarwar Khwaja Jahan – Malwa

34. ‘The Clock is Ticking’ is the theme of which of the following days ?
(a) International Yoga Day, 2021
(b) International Women’s Day, 2021
(c) World Tuberculosis Day, 2021
(d) World Malaria Day, 2021

35. Which of the following Constitution Amendment Acts made necessary provisions for the implementation of GST (Goods and Service Tax) regime ?
(a) 101st Amendment Act
(b) 102nd Amendment Act
(c) 103rd Amendment Act
(d) 104th Amendment Act

36. Foreign Minister of a country, Anthony Blinken had visited two days to India for strengthening co-operation on July 27 and 28 in 2021. He belongs to which of the following countries?
(a) United Kingdom
(b) United States of America
(c) France
(d) Australia

37. Consider the following events and arrange them into chronological order :
I. Sharda Act
II. Nehru Report
III. Constitution of Simon Commission
IV. Dandi March
Select the correct answer using the codes given below.
Codes :
(a) III, II, I and IV
(b) I, II, III and IV
(c) IV, III, II and I
(d) I, IV, II and III

38 ‘Blue baby syndrome’ is due to the presence of which of the following in the blood ?
(a) Haemoglobin
(b) Methemoglobin
(c) Lead
(d) Nitrate

39. Given below are two statements one is labelled as Assertion (A) and other as Reason (R) :
Assertion (A) : The government faces a tough time tackling the bottleneck inflation.
Reason (R) : The situation is due to deficiencies existing in the economy such as supply bottleneck and inefficient distribution.
Select the correct answer from the codes given below.
Codes :
(a) Both (A) and (R) are true and (R) is correct explanation of (A)
(b) Both (A) and (R) are true, but (R) is not correct explanation of (A)
(c) (A) is true, but (R) is false
(d) (A) is false, but (R) is true

40. Which of the following is indicator of air pollution ?
(a) Puffballs
(b) Algae
(c) Lichen
(d) Moss