46. With reference to Payment Aggregator (PA), consider the following statements:
1. They are third-party service providers that enable merchants to receive client payments.
2. In India, only Scheduled Commercial Banks can act as PAs.
3. They require permission from the Reserve Bank of India (RBI) to operate.
How many of the statements given above are correct?
(a) Only one
(b) Only two
(c) All three
(d) None
Answer: a
47. Consider the following statements regarding White hydrogen:
1. It is a potentially clean energy source that occurs naturally in the Earth’s crust.
2. Its reserves are currently limited to the Arctic region.
Which of the above statements is/are not correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
Answer: b
48. Consider the following statements, with reference to Pulsars:
1. Pulsars are the neutron stars that rotate with strong magnetic fields.
2. Pulsars have very strong magnetic fields which funnel jets of particles out along the two magnetic poles.
3. “Pulsar wind nebula” is created by dead neutron stars.
How many of the statements given above are correct?
(a) Only one
(b) only two
(c) All three
(d) None
Answer: b
49. Consider the following pairs:
| Militant Organisations | Bases (countries) |
| 1. Hamas | Palestine |
| 2. Hezbollah | Lebanon |
| 3. Fatah | Israel |
| 4. Houthis | Yemen |
How many of the pairs given above are correct?
(a) Only one
(b) Only two
(c) All three
(d) All Four
Answer: c
50. Artemisinin-based combination therapy (ACT) is used to treat which of the following diseases?
(a) Covid-19
(b) Malaria
(c) Swine flu
(d) Tuberculosis
Answer: b
51. Consider the following statements, with reference to Lucy mission:
(a) It is 12-year mission that will explore a record-breaking number of asteroids.
(b) The mission is joint initiative of NASA and JAXA.
(c) Lucy is the first space mission to explore a diverse population of small bodies known as the Jupiter Trojan asteroids.
How many of the pairs given above are correct?
(a) Only one
(b) Only two
(c) All three
(d) All Four
Answer: b