602. Of the various non-conventional energy sources that are being tapped, which has the largest potential?

A. Water power
B. Wind power
C. Solar power
D. Biomass power
✅ The correct answer is option C.
Of the various non-conventional energy sources that are being tapped, Solar power has the largest potential. There is a capacity of about 1, 95,000 MW non-conventional energy in India. 31 % of it is the form of solar energy, 30% in ocean and geo-thermal, 26 % in biomass and 10 % in wind energy. India is a tropical country. It has enormous possibilities of tapping solar energy.

603. In which of the following years, the membership of the Security Council was increased from 11 to 15 (under Article 23)?

A. 1960
B. 1965
C. 1972
D. 1975
✅ The correct answer is option B.
In 1965, the membership of the Security Council was increased from 11 to 15 (under Article 23). Expansion of the UN Security Council from 11 to 15 members, with the supermajority required for action being increased from 7 to 9 votes.

604. Which atomic reactor is used for studies of uranium heavy water lattice?

A. Apsara
B. Zerlina
C. Dhruva
D. Purnima-I
✅ The correct answer is option B.
Zerlina atomic reactor is used for studies of uranium heavy water lattice. Zerlina was used for studies of the spatial arrangement of fissionable and nonfissionable materials in uranium heavy water reactors. The tank-type reactor was the first of a series of critical assemblies built by BARC.

605. The range of missile Agni is approximately

A. 150 km
B. 1200-2000 km
C. 500 m to 9 km
D. 4 km
✅ The correct answer is option B.
The range of missile Agni is approximately 1200-2000 km. The Agni missile is a family of medium to intercontinental range ballistic missiles developed by India, named after one of the five elements of nature. Agni missiles are long range, nuclear weapons capable surface to surface ballistic missile.

606. The Secretary-General is required to submit an annual report on the work of the UN to

A. the General Assembly
B. the Security Council
C. the Trusteeship Council
D. All of the above simultaneously
✅ The correct answer is option A.
The Secretary-General is required to submit an annual report on the work of the UN to the General Assembly. Under Article 24(3) of the UN Charter, the Security Council must submit an annual report to the General Assembly for its consideration. The submission of the annual report is the only clear obligation the Council has vis-a-vis the General Assembly under the Charter.

609. India played its first cricket Test Match in

A. 1922
B. 1932
C. 1942
D. 1952
✅ The correct answer is option B.
India played its first cricket Test Match in 1932. India was invited to The Imperial Cricket Council in 1926, and made their debut as a Test playing nation in England in 1932, led by CK Nayudu, who was considered as the best Indian batsman at the time. The one-off Test match between the two sides was played at Lord’s in London.