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Which of the following statements are correct?
1. Western Disturbances are the weather systems causing precipitation in the Western Himalayan region during Indian summer months.
2. Meridional Temperature Gradient is responsible for the development of extra-tropical storms initiated by frontal genesis over the mid-latitude regions.

With reference to Destructive Anti-Satellite (ASAT) Tests, consider the following statements
1. These tests involve the physical destruction of a satellite, often leading to long-lasting space debris.
2. The United Nations has passed a binding international treaty banning all forms of ASAT testing.
3. Destructive ASAT tests are a major concern for global space security due to the threat they pose to civilian and commercial satellites.
4. India is among the countries that have demonstrated ASAT capability through a destructive test.
How many of the above statements are correct?

Which of the following ecosystems are habitat of African Cheetah?
1. Savannah grassland
2. Dry forest
3. Equatorial rain forest
4. Desert

Which of the following statements are correct?
1. Important wheat-growing zones in India are the Ganga-Sutlej plains in the north-west and black soil region of the Deccan.
2. The net sown area of wheat is more than that of rice in India.

Perovskite-structured materials have shown remarkable properties such as
1. High efficiency in solar cells.
2. Use in LEDs, photodetectors, and lasers.
3. Ferroelectricity and superconductivity.
4. Insulator in heavy electric lines