The chief purpose of crop rotation is to check the loss of top soil

A. by weathering
B. by wind erosion
C. by water erosion
D. of its mineral content
✅ The correct answer is option D.
The chief purpose of crop rotation is to check the loss of top soil of its mineral content. By crop rotation soil is able to get its lost nitrogen content and other minerals. It helps to check the minerals in the soil. And also it improves the soil fertility.

The headquarter of BSF(India) is at

A. Chennai
B. Kolkata
C. New Delhi
D. Mumbai
✅ The correct answer is option C.
The headquarter of BSF(India) is at New Delhi. The Border Security Force (BSF) is the border police organisation of India. It is one of the seven Central Armed Police Forces of India, and was raised in the wake of the 1965 War on 1 December 1965, “for ensuring the security of the borders of India and for matters connected there with”.

The country, which was admitted to the membership of the United Nations in September 2002, is

A. Eritrea
B. East Timor
C. Andorra
D. Macedonia
✅ The correct answer is option B.
The country, which was admitted to the membership of the United Nations in September 2002, is East Timor. On 27 September 2002, East Timor was renamed to Timor-Leste, using the Portuguese language, and was admitted as a member state by the UN.

National institute of Mental Health is located at

A. Coonor (Tamil Nadu)
B. Chandigarh
C. New Delhi
D. Bangalore
✅ The correct answer is option D.
National institute of Mental Health is located at Bangalore. NIMHANS is the apex centre for mental health and neuroscience education in the country, the institute operates autonomously under the Ministry of Health and Family Welfare.

The dance performed by women to invoke rain in Bihar is

A. Jata Jatin
B. Bihu
C. Purbi
D. Faguna or Fog
✅ The correct answer is option A.
The dance performed by women to invoke rain in Bihar is Jata Jatin. Jat Jatin is the dance of women of the Mithila region of Bihar and is supposed to be performed on moonlit nights during the monsoons. Grown-up girls and young housewives assemble in the courtyard and, accompanied by a drum, dance from midnight to dawn. As they dance, they enact in gestures the epic story of the love of Jata and Jatin. The most dramatic episode of the dance concerns a wicked boatman who breaks through the dancing ring and kidnaps the beautiful Jatin.

What is the population density of Kerala?

A. 819/sq. km
B. 602/sq. km
C. 415/sq. km
D. 500/sq. km
✅ The correct answer is option A.
The population density of Kerala is 819/sq. km. The average density of population of the state is 819 persons per sq.km. Kerala’s urban population figures to 1,74,55,506 persons which is about one-fourth of the total population. Rural population in Kerala is 1,59,32,171.

Leonardo da Vinci

A. was a great Italian painter, sculptor and architect
B. got universal fame form his masterpiece
C. drew models of organs such as the heart, lungs and womb
D. All of the above
✅ The correct answer is option D.
Leonardo da Vinci was a great Italian painter, sculptor and architect, got universal fame form his masterpiece and drew models of organs such as the heart, lungs and womb.

The ozone layer is being destroyed by chlorofluorocarbons. In this regard which do you consider as the most harmful?

A. Carbon atom
B. Chlorine atom
C. Fluorine atom
D. The entire compound
✅ The correct answer is option C.
The ozone layer is being destroyed by chlorofluorocarbons. In this regard Fluorine atom is considered as the most harmful. Chlorofluorocarbons (CFCs) could deplete Earth’s atmospheric ozone layer, which blocks the sun’s damaging ultraviolet rays. When the scientists reported their findings in 1974, CFCs were widely used as refrigerant gases and as propellants in aerosol sprays.

When did 19 NATO members and 11 ‘Partners for Peace’ join hands for peace plan for Kosovo Crisis?

A. 1999
B. 1989
C. 1979
D. 1969
✅ The correct answer is option A.
In 1999, 19 NATO members and 11 ‘Partners for Peace’ join hands for peace plan for Kosovo Crisis. Kosovo conflict, (1998–99) conflict in which ethnic Albanians opposed ethnic Serbs and the government of Yugoslavia (the rump of the former federal state, comprising the republics of Serbia and Montenegro) in Kosovo.

The UN charter was finalized at ___ and become effective on ___ .

A. San Francisco, 24th October, 1945
B. Dumbarton Oaks, 5th March, 1944
C. Yalta, 2nd February, 1945
D. Teheran, 24th October, 1943
✅ The correct answer is option A.
The Charter of the United Nations was signed on 26 June 1945, in San Francisco, at the conclusion of the United Nations Conference on International Organization, and came into force on 24 October 1945. The Statute of the International Court of Justice is an integral part of the Charter.