Part – B (General Knowledge) NDA/NA SOLVED PAPER 2017 (II) (51 to 100)

Total Questions: 50

21. Who among the following is the Chairman of interdisciplinary committee constituted recently by the Government of India to examine framework for virtual currencies?

Correct Answer: (c) Special Secretary, Department of Economic Affairs
Solution:In 2017, the Ministry of Finance constituted this committee under the chairmanship of Dinesh Sharma, who was then the Special Secretary of the Department of Economic Affairs (DEA). The committee was tasked with examining the existing framework for virtual currencies (like Bitcoin) and suggesting measures for consumer protection and taxation.

22. SAMPADA scheme is being implemented by the Ministry of:

Correct Answer: (c) Food Processing Industries
Solution:SAMPADA stands for Scheme for Agro-Marine Processing and Development of Agro-Processing Clusters. It was later renamed Pradhan Mantri Kisan SAMPADA Yojana (PMKSY). It is a flagship program to supplement agriculture, modernize processing, and decrease agri-waste.

23. The shortest day length that occurs in the Northern hemisphere is on:

Correct Answer: (d) December 22
Solution:This is known as the Winter Solstice. On this day, the North Pole is tilted furthest away from the Sun (23.5°), resulting in the fewest hours of daylight and the longest night of the year for the Northern Hemisphere.

24. The Indian Railways have gone in for qualitative improvements since independence. Which of the following have taken place in recent years?

1. Gauge conversion
2.Track electrification
3. Automatic Signals
Select the correct answer using the codes given below :

Correct Answer: (d) All of these
Solution:

Since independence, and particularly in the last two decades, Indian Railways has focused on:

  1. Gauge Conversion: Moving toward a "Uni-gauge" system (converting Meter/Narrow gauge to Broad gauge).
  2. Electrification: Reducing carbon footprint and dependence on fossil fuels.
  3. Automatic Signaling: Enhancing safety and increasing the frequency of trains on existing tracks.

25. In India, maximum rainfall is received from:

Correct Answer: (c) South-West Monsoon
Solution:Approximately 75% to 90% of India's total annual rainfall is received during the South-West Monsoon season (June to September). It is divided into two branches: the Arabian Sea branch and the Bay of Bengal branch.

26. Which set of the following biosphere reserves in India is included in the World Network of Biosphere Reserves?

Correct Answer: (a) Gulf of Mannar, Nokrek, Panchmarhi and Simlipa
Solution:

 UNESCO’s Man and the Biosphere (MAB) program includes specific reserves in its World Network. As of the time of this question, all four in option (a) were included.

Correction Note: While Kanchenjunga and Panna have since been added, Seshachalam (found in options b and d) is a National Biosphere Reserve but is not yet part of the UNESCO World Network.

27. Which of the following statements about magnetite ore of iron is/are correct?

1. It is known as black ore.
2. It contains 60% to 70% of pure iron.
3. It possesses magnetic properties.
Select the correct answer using the codes given below:

Correct Answer: (d) All of these
Solution:Black Ore: Magnetite is a black, opaque mineral. 2. Iron Content: It is the finest quality iron ore with a very high iron content of up to 70%. 3. Magnetic Properties: As the name suggests, it has excellent magnetic qualities, making it valuable in the electrical industry

28. Which one of the following vitamins has a role in blood clotting?

Correct Answer: (d) Vitamin-K
Solution:Vitamin K is essential for the synthesis of proteins (like prothrombin) required for blood coagulation. Without it, blood would not clot, leading to excessive bleeding from even minor injuries.

29. The term ‘Probiotic’ is applied to:

Correct Answer: (d) live microbial food supplement
Solution:Probiotics are "good" bacteria or yeasts that are beneficial for the digestive system. They help maintain a healthy balance of gut flora. Common examples include yogurt and kefir.

30. Which one of the following microbes causes acidification and curding of milk?

Correct Answer: (a) Lactic Acid Bacillus
Solution:Also known as Lactobacillus, these bacteria convert the lactose (milk sugar) into lactic acid. This increase in acidity causes milk proteins (casein) to tangle and solidify, turning the milk into curd or yogurt.