RRB NTPC GK Questions 2026

Tidal volume, the air breathed in or out in one normal quiet breath, is only about 500 millilitres in a healthy adult, the smallest of the four volumes listed.

Frogs and most fishes release their eggs and sperm into water, where fertilisation takes place outside the female's body. In external fertilisation, a large number of eggs and sperm are shed together, because many are lost to currents and predators.

India beat Pakistan by 17 runs in the final of the Women's Twenty20 Asia Cup in Bangkok, Thailand, in December 2016.

The Geiger-Müller counter detects and counts the ionising radiation given out by radioactive substances, so it is the standard instrument for measuring radioactivity.

Muscle cells are packed with the contractile proteins actin and myosin, whose filaments slide over each other to shorten the cell and produce movement.

Ultrasound is sound with a frequency above 20,000 hertz, the upper limit of human hearing, so its defining feature is a higher frequency than audible sound.

The atomic number, the number of protons in the nucleus, decides which element an atom is, and no two elements share it.

The frequency of a wave is set by its source, so it does not change when light passes from air into glass; only the speed and wavelength change.

Since both wires have the same material and thickness, resistance is proportional to length, so R2 = 2R1, and the parallel combination works out to R = 2R1/3.

With uniform acceleration, velocity changes by the same amount in every equal interval of time, so the velocity-time graph is a straight line whose slope equals the acceleration.

The statement is false because the latent heat of fusion of ice is high, about 334 joules per gram, or roughly 80 calories per gram.

Lime water is a clear solution of calcium hydroxide, and carbon dioxide reacts with it to form insoluble calcium carbonate, which turns the solution milky.

The nucellus is the mass of tissue inside the ovule whose cells carry stored food, and the embryo sac develops within it.

The corpus callosum is a thick band of nerve fibres that joins the two cerebral hemispheres, so it belongs to the forebrain, not the hindbrain.

The minister raised it precisely to make the point that regulation on its own cannot build a circular economy, because the demand side depends on how individuals choose to consume, and LiFE asks for deliberate and mindful use of resources instead of destructive consumption.

Under the EPR framework the registered recyclers number that much, while the registered producers are far more numerous.

That is the quantity of waste processed as on date across the waste streams that now carry their own rules, and the minister cited it as evidence that policy intent is being translated into measurable action.

That is the projection for the Indian chemical industry by 2030, and the growth outlook is attributed to rising domestic demand, expanding export opportunities, the demographic dividend, relatively low per capita consumption and supportive government measures.

It came in as the partner country for this edition, a step described as strengthening economic cooperation with India and opening fresh avenues for collaboration in chemicals and petrochemicals.

The theme frames the event as a platform for domestic and international stakeholders to share knowledge, build alliances and look for investment, and the minister repeated it when describing what the gathering was meant to achieve.