RRB Group D 2022 Previous Year GK Questions with Answers

The object stands between the pole and the focus of the concave mirror, so the image formed is virtual, erect and enlarged, and the magnification is positive.

In the equation given, glucose reacts with oxygen to release carbon dioxide, water and energy, and the breakdown of food inside the cell to release energy is called respiration.

The force on a current-carrying conductor placed in a magnetic field is found with Fleming's left-hand rule.

Electrical energy is power multiplied by time, so the unit follows directly from the units you put in. The oven is rated 2500 W, which is 2500 divided by 1000, that is 2.5 kilowatts.

An alkyne contains a carbon to carbon triple bond, which needs at least two carbon atoms, so the series begins with ethyne, C2H2, also called acetylene and used with oxygen in welding.

India allows 100 per cent foreign direct investment through the automatic route in the construction, operation and maintenance of rail infrastructure projects.

Sindhi was added to the Eighth Schedule of the Constitution by the 21st Constitutional Amendment Act of 1967. The Eighth Schedule is the list of languages the Constitution recognises, and a candidate may take the civil services examination in any of them.

A line of trees or tall shrubs works as a windbreak: it slows the wind close to the ground so the moving air can no longer lift loose soil.

The Punjab and Haryana High Court sits at Chandigarh and serves the States of Punjab and Haryana and the Union Territory of Chandigarh.

Article 124(2) says a judge of the Supreme Court shall hold office until he or she attains the age of 65 years.

Blood is filtered in the glomerulus of the nephron, and the filtrate that first enters the tubule still holds many useful substances.

Gases move across the cell membrane by diffusion, the spread of particles from a region where they are more concentrated to a region where they are less concentrated.

By Ohm's law the resistance equals the potential difference divided by the current. Here the current must first be converted into the base unit: two milliampere is 0.002 ampere.

A tsunami is caused by an undersea earthquake, a volcanic eruption or a landslide on the ocean floor, and has nothing to do with the ozone layer.

Consumer theory studies how a household decides to spend its money among the goods and services available to it. The idea rests on three things: the wants of the consumer, the prices of goods, and the income in hand, which is the budget constraint.

Subordinate courts are the courts at the district level and below, and they hear civil and criminal cases as courts of first instance.

On 19 July 1969 the Government of India issued an ordinance taking over the fourteen largest Indian scheduled commercial banks, those whose deposits stood at ₹50 crore or more.

Article 123 lets the President promulgate an ordinance when either House of Parliament is not in session and the President is satisfied that circumstances make immediate action necessary.

Plants respire day and night, breaking glucose down to release energy, and carbon dioxide is the waste product of that process.

The same magnet moves at the same speed in both cases, so the rate of change of magnetic flux through the coil is equal and the induced potential difference has the same magnitude.