RRB Group D 2022 Previous Year GK Questions with Answers

The project was launched in March 2022 by the Minister of Women and Child Development, who then held that office, in collaboration with the national mental health institute at Bengaluru, to train the staff of One Stop Centres in handling the mental health needs of women affected by violence.

Abiotic components are the non-living parts of an ecosystem, and soil belongs squarely to that list along with sunlight, temperature, water, air, minerals and pH.

PARAM Ganga was set up at IIT Roorkee in 2022 under the second phase of the National Supercomputing Mission, and it was designed and installed by C-DAC.

Telugu is the first official language of Telangana and Urdu is the second. The place of Urdu goes back to the Hyderabad state of the Nizams, where it was the language of administration and education, and a large Urdu speaking population still lives in Hyderabad and the surrounding districts.

Reduction means the loss of oxygen or the gain of hydrogen, so each statement states one half of the same definition.

Article 165 of the Constitution provides for an Advocate General for each state as the first law officer of that state.

Overgrazing is a cause of soil degradation, not a way to conserve soil, so it is the option that does not belong.

The law of variable proportions divides short run production into three stages. In stage one, increasing returns, both total and marginal product rise because the fixed factor is still under used.

Group 15, the nitrogen family, holds nitrogen, phosphorus, arsenic, antimony and bismuth. Only nitrogen and phosphorus are non-metals; arsenic and antimony are metalloids and bismuth is a metal, so the group has exactly two non-metallic elements.

A pH of 11.6 means the soil is strongly alkaline, so it has to be treated with something acidic, and aluminium sulphate is the only acidic compound in the list.

The marginal product of a variable factor first rises, reaches a peak and then falls, so the curve traced out is an inverted U. This is the law of variable proportions at work.

Bacteria in the mouth break down leftover food particles and produce acid, not base, so statement d is the incorrect one.

Litmus is a natural indicator obtained from lichens, which are a partnership between an alga and a fungus, and in a neutral solution it shows a purple colour.

Cyclohexane is a closed ring of six carbon atoms joined by single bonds, and each carbon carries two hydrogen atoms, which gives C6H12.

The alkene series begins at two carbon atoms, so its first member is ethene, C2H4, and its second member is propene, C3H6.

Put n equal to 3 in the alkyne general formula CnH2n-2 and the result is C3H4, which is propyne, the second member of the alkyne series.

Carbon is a non-metal, so it does not show metallic character; it neither loses electrons to form positive ions nor shows the lustre and malleability of metals.

The balanced equation is 2FeSO4 → Fe2O3 + SO2 + SO3, so p = 2, q = 1, r = 1 and s = 1.

In the given equation sodium hydroxide, which is a base, reacts with sulphuric acid to give sodium sulphate and water, and a reaction in which an acid and a base cancel each other to form a salt and water is called neutralisation.

Stomata are the tiny pores on the surface of a leaf through which a plant takes in carbon dioxide and gives out oxygen and water vapour, so the exchange of gases takes place through them.