Recently, NASA’s Solar Dynamics Observatory observed the phenomenon of coronal holes. With reference to coronal holes, consider the following statements:

1. Coronal holes are regions on the Sun’s surface from where fast solar wind gushes out into space.
2. These have relatively lower temperatures and appear much darker than their surroundings.
3. Coronal holes can cause a solar storm on Earth as they release a complex stream of solar winds.

Which of the statements given above are correct?

With reference to voting rights, consider the following statements:

1. Section 20A of the Representation of the People Act requiring overseas electors to be physically present in their electoral constituencies to cast their votes.
2. Non-resident Indians (NRIs) can use the facility of postal voting to cast their votes.
3. Proxy voting has been introduced in India to some classified service voters.

Which of the statements given above are correct?

‘Yotta D1’, recently in news, is:

With reference to Daylight Saving Time (DST), consider the following statements:

1. The idea behind the clock shift is to maximize sunlight in the Northern Hemisphere, as days start to lengthen in the spring.
2. DST is the practice of setting the clocks one hour ahead of standard time to make use of more sunlight in the summer.
3. USA was the first to use DST in 1960.

Which of the statements given above are correct?

With reference to lab grown diamonds, which of the following statements is/are correct?

1. The government of India has permitted 100 per cent foreign direct investment (FDI) in the sector under the automatic route.
2. Lab-grown diamonds cost cheaper than mined diamonds.

Select the correct answer using the codes given below: