With reference to Fibre-Optic Drones, consider the following statements:

1. They communicate through fibre-optic cables instead of radio-frequency signals.
2. They are completely immune to conventional RF jamming and spoofing attacks.
3. They emit strong radio-frequency signatures that help operators track them.
4. Their communication system relies on light pulses transmitted through optical fibres.

Which of the statements given above are correct?

Assertion (A): India has significantly enhanced its indigenous defence capabilities over the last decade through initiatives such as Tejas Mk1 induction, Mission Shakti, and Mission Divyastra.

Reason (R): Government reforms such as DAP 2020, iDEX, Positive Indigenisation Lists, and Defence Industrial Corridors have promoted domestic defence manufacturing and innovation.

Codes:

Consider the following statements regarding Sickle Cell Anaemia (SCA):

1. Sickle Cell Anaemia is caused by a genetic mutation in the haemoglobin gene.
2. The disease is more prevalent among tribal communities in India.
3. The National Sickle Cell Anaemia Elimination Mission was launched in 2023 with the goal of eliminating the disease by 2047.
4. Sickle Cell Anaemia is a communicable disease that spreads through physical contact.

Which of the statements given above are correct?

Consider the following statements regarding Air Cushion Vehicles (ACVs):

1. ACVs are commonly known as hovercrafts.
2. They operate using a high-pressure cushion of air beneath the hull.
3. They can operate only in deep-sea waters and cannot move on land.
4. The recently inducted ACVs for the Indian Coast Guard are being built indigenously.

Which of the statements given above are correct?

Assertion (A): Climate change is increasingly being recognized as a child-rights crisis.

Reason (R): Nearly 97% of Indian children are exposed to at least two climate- or disaster-related hazards according to UNICEF's Children’s Climate Risk Report 2026.

With reference to UNICEF’s Children’s Climate Risk Report 2026, consider the following statements:

1. Drought is the most widespread climate hazard affecting children globally.
2. More than one billion children worldwide are exposed to extreme heat conditions.
3. Heatwaves were the leading cause of school disruption in India in 2024.
4. India's children are exposed only to heat-related hazards and not to drought-related risks.

Which of the statements given above are correct?