General Knowledge (NDA/NA SOLVED PAPER 2023-I) (Part – B) (51 to 100)

Total Questions: 50

41. Which one of the following statements about X-rays is not true?

Correct Answer: (c) Due to their wavelengths being shorter, these can be used for radar systems.
Solution:X-rays, with extremely high frequency and short wavelength, are unsuitable for use in RADAR because they would penetrate obstacles rather than reflect back. Therefore, option (c) is false.

42. Which one among the following is the northernmost geographical location?

Correct Answer: (a) New Delhi
Solution:Among the locations of New Delhi, Thimphu, Kathmandu and Dhaka, Capital of India New Delhi is located geographically northern relative to other three.

43. Consider the following statements:

1. Distance between the longitudes becomes zero on North Pole and South Pole.
2. Distance between the longitudes is maximum on the Equator.
3. Number of longitudes is more than number of latitudes.
Which of the statements given above is/are correct?

Correct Answer: (d) 1, 2 and 3
Solution:Lines of latitude start at 0 degrees at the equator and end at 90 degrees at the North and South Poles (for a total to 180 degrees of latitude). Therefore, the higher the value of degree of latitude, the closer it is to the North or South Pole.
The distance between longitudes reaches zero at the north poles and south as the lines of meridian converge at that point.
The distance between the longitudes is the maximum at the equator.
The total number of latitudes is 180 and the total number of longitudes is 360.

44. Which one among the following states is the leading producer of Manganese in India?

Correct Answer: (a) Madhya Pradesh
Solution:Madhya Pradesh is the leading producing State of manganese ore in India. The state accounts for 33% of total production in last few years followed by Maharashtra, Odisha, Karnataka and other states.

45. Mica is mainly used in:

Correct Answer: (d) electrical and electronic industries.
Solution:Mica is useful in a wide range of industries, including mining, plastics, electronics, automotive, paint, and much more.

46. According to Koppen's climatic classifications, the Great Northern Plains of India have which one of the following climates?

Correct Answer: (b) Cwg climate
Solution:According to Koppen's climatic classifications of India, Great Northern plains are represented by Cwg climate. This type of climate is found in most parts of the Northern Ganga Plains. In this type of climate, the summer temperature rises to 40°C which falls to 27°C in winter.

47. Which of the following statements about Lachit Borphukan is/are correct?

1. He was a General of the Ahom Force.
2. He is known for his leadership in the Battle of Saraighat.
3. Lachit Borphukan Gold Medal is given to the best cadet at the National Defence Academy.
Select the correct answer using the code given below:

Correct Answer: (a) 1, 2 and 3
Solution:Lachit Borphukan is regarded as the brave General of the Royal Army of the Ahom Kingdom of Assam who defeated the Mughals and successfully halted the ever-expanding ambitions of the Mughals under Aurangzeb.
Lachit Borphukan inspired the Assamese soldiers in the Battle of Saraighat fought in 1671, and delivered a crushing and humiliating defeat on the Mughals. The heroic fight of Lachit Borphukan and his army remains one of the most inspiring military feats of resistance in the history of our country.
To keep his valour and inspire younger generation, the Lachit Barphukan Gold Medal is given to the best cadet at the National Defence Academy (NDA) since 1999.

48. The 4th edition of joint military exercise 'DUSTLIK' between the Indian Army and the Uzbekistan Army was held in:

Correct Answer: (c) Pithoragarh
Solution:The 4th edition of joint military exercise 'DUSTLIK' between the Indian Army and Uzbekistan Army commenced took place in Foreign Training Node, Pithoragarh (Uttarakhand). 45 Soldiers each from Uzbekistan and Indian Army participated in this 14 day exercise.
DUSTLIK is aimed at promoting positive relations between both the armies.

49. Which of the following is India's first privately developed rocket launched by ISRO recently?

Correct Answer: (d) Vikram-5
Solution:Vikram-S became India's first privately-developed rocket. The rocket was developed by Hyderabad-based startup Skyroot Aerospace. The rocket was launched under Mission 'Prarambh' and carried three payloads.

50. Which one among the following villages was recently declared as India's first 24 x 7 solar-powered village?

Correct Answer: (b) Modhera, Gujarat
Solution:Modhera in Gujarat state became India's first 24x7 solar-powered village. This village in the Mehsana district of Gujarat is India's first village to be powered by solar all day, every day. It has cost $9.7 million and been paid for by the paid for by the central government and the government of Gujarat state.