21. In which district is the Numaligarh Refinery located ?
A
Golaghat
B
Jorhat
C
Karbi Anglong
D
Nagaon
Detailed Explanation
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Numaligarh Refinery Limited (NRL) is located in Golaghat district, Assam. It is a Government of India public-sector oil company under the Ministry of Petroleum and Natural Gas.
The Indian national flag was designed by Pingali Venkayya. The present design was adopted by the Constituent Assembly on 22 July 1947; the Ashoka Chakra replaced the earlier spinning-wheel symbol.
24. Which vitamin is prominently present in lemon and Amla ?
A
Vitamin C
B
Vitamin K
C
Vitamin B
D
Vitamin D
Detailed Explanation
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Vitamin C (ascorbic acid) is abundant in citrus fruits such as lemon and is also present in substantial amounts in amla (Indian gooseberry). Vitamin C is important for collagen formation and normal immune function.
25. Who was the first Indian born woman to go to space ?
A
Kiran Shaw
B
Kiran Bedi
C
Kalpana Chawla
D
Kalpana Saxena
Detailed Explanation
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Kalpana Chawla was the first woman of Indian birth to travel to space. She first flew aboard Space Shuttle Columbia in 1997 and later died in the Columbia disaster in 2003.
26. Who won the Men’s Singles at French Open 2022 ?
A
Roger Federer
B
Stefanos Tsitsipas
C
Novak Djokovic
D
Rafael Nadal
Detailed Explanation
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Rafael Nadal won the 2022 French Open men’s singles title, defeating Casper Ruud in the final. It was Nadal’s record 14th French Open singles championship at that time and his 22nd Grand Slam singles title.
28. The place associated with gold mine in India is
A
Jaduguda
B
Kolar
C
Ankleshwar
D
Kalahandi
Detailed Explanation
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Kolar Gold Fields (KGF) in Karnataka is historically famous for gold mining. Large-scale mining at KGF continued for more than a century before the mines were closed in 2001.
30. What is the distance between the two sets of wickets on a cricket pitch ?
A
20 yards
B
32 yards
C
22 yards
D
25 yards
Detailed Explanation
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The standard distance between the two sets of wickets on a cricket pitch is 22 yards, equal to 20.12 metres. The popping crease is marked 4 feet in front of each wicket.
Relationship between the sides of a Right angled triangle
D
Area of a circle
Detailed Explanation
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Pythagoras is associated with the Pythagorean theorem: in a right-angled triangle, a² + b² = c², where c is the hypotenuse. The theorem relates the lengths of the three sides.
33. Which of the following festivals is related to the film industry ?
A
Rouketopolemos
B
Octoberfest
C
Woodstock festival
D
Cannes festival
Detailed Explanation
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The Cannes Film Festival is an internationally renowned film festival held in Cannes, France. It was first held in 1946 and is one of the most prestigious festivals in world cinema.
34. Goitre is caused due to the lack of which of the following in our food ?
A
Calcium
B
Iodine
C
Sodium
D
Iron
Detailed Explanation
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Iodine deficiency can cause goitre, an enlargement of the thyroid gland. Iodine is required for production of thyroid hormones; widespread use of iodized salt helps prevent deficiency disorders.
Dinanath Mangeshkar was the father of Lata Mangeshkar and was a respected Marathi theatre actor and Hindustani classical vocalist. Lata Mangeshkar was born in 1929.
37. Which state of India did the Chipko Movement originate in?
A
Uttarakhand
B
Himachal Pradesh
C
Haryana
D
Sikkim
Detailed Explanation
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The Chipko Movement began in the Himalayan region of present-day Uttarakhand, then part of Uttar Pradesh, during the 1970s. Villagers used non-violent tree-hugging protests to resist commercial felling.
38. Which among the following criteria need not to be fulfilled to become a Member of Parliament in India ?
A
Must be a citizen of India.
B
Must not be less than 25 years of age.
C
Must be a voter in any constituency in India.
D
Must pass class 10 level of examination.
Detailed Explanation
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Indian law does not prescribe a general educational qualification such as passing Class 10 for Parliament membership. Constitutional eligibility includes citizenship and age requirements; for the Lok Sabha, the minimum age is 25 years under Article 84.
39. Which Emperor built the (popularly known) Grand Trunk Road of India ?
A
Akbar
B
Jahangir
C
Qutubuddin Aibak
D
Sher Shah Suri
Detailed Explanation
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Sher Shah Suri is credited with rebuilding and extending the historic Grand Trunk Road during the 16th century. It linked major centres across northern India and was improved with trees, wells and sarais.