Teaching GK Questions 2026

All three are mixtures: wood is made of cellulose, lignin, water and resins, air is a mixture of nitrogen, oxygen and other gases, and sand is mostly silica mixed with mineral and shell grains.

Quick lime is calcium oxide, CaO, and not calcium carbonate, so it is the odd one out. Limestone, chalk and marble are all natural forms of calcium carbonate, CaCO3, differing only in how they were formed and in how hard they are.

Distilled water has had its dissolved salts removed, so it holds almost no free ions to carry charge and does not conduct electricity.

Time period is the time taken for one full oscillation, so it is the total time divided by the number of oscillations: 64 divided by 40 gives 1.6 seconds.

Insolation is the incoming solar radiation actually received by a unit area of the earth's surface, and how much of it a place receives decides how warm that place becomes.

The LPG supplied in household cylinders is mainly a mixture of butane and propane, two gases that turn liquid under moderate pressure.

The SETU NSP App brings scholarship services onto a single platform, and lending has nothing to do with the Pre-Matric and Post-Matric Scholarships it serves.

The correct answer is the Ministry of Social Justice and Empowerment, through its Department of Social Justice and Empowerment, which launched the app in April 2026.

The app carries this name together with the National Scholarship Portal and belongs to the Ministry of Social Justice and Empowerment, serving beneficiaries of the Pre-Matric and Post-Matric Scholarships for Scheduled Castes and Other Backward Classes.

The scheme is built for meritorious children of economically weaker households, so an income test applies along with the marks test, and the parental income of an applicant must not cross that figure.

Fresh scholarships under the scheme go to Class IX students who qualify in the selection examination conducted by the respective State or Union Territory government, and one lakh such awards are made every year.

A student selected under the scheme receives that amount every year, and the money is credited straight into the student's own bank account through Direct Benefit Transfer, which removes middlemen from the payment chain.

A metal loses electrons and a non-metal gains them, so the transfer makes oppositely charged ions that attract each other, and that attraction is an ionic bond.

Melting of ice only changes the state of water from solid to liquid; no new substance is formed, so it is a physical change.

The Ministry chose a working government precinct rather than a ceremonial venue, which fits the point it was making: that clean surroundings are the everyday responsibility of the people who use a place.

Dr. Rakesh Gupta serves as Additional Secretary in the Union Ministry of Health and Family Welfare and as Director General of NACO, and in that capacity he was among the senior officers who joined the shramdaan in New Delhi.

He is Secretary of the Department of Health Research and also holds charge as Director General of the Indian Council of Medical Research, and he led the voluntary cleanliness drive held near Gate No. 3 of Kartavya Bhavan-1 on Dr. Rajendra Prasad Marg in New Delhi.

This is the theme under which the Swachhata Hi Seva 2026 campaign is being run across the country, and the spirit of joint action it stands for was what the Union Ministry of Health and Family Welfare echoed when its officers and staff joined a shramdaan in New Delhi on…

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.