SSC CGL GK Questions 2026

Copper is less reactive than lead, so it cannot push lead out of its compound. In a displacement reaction, a more reactive metal takes the place of a less reactive metal in its salt solution.

When the jobs on offer need skills, or are in places, that do not match the workers available, people stay jobless even though vacancies exist.

Graphite has free electrons that can move through it, so it conducts electricity; diamond and fullerene do not conduct well.

In a short circuit the live and neutral wires touch, the resistance of the path falls almost to zero, and the current shoots up.

The route runs from the dry west to the wet east coast, so the vegetation changes as rainfall rises. Bikaner lies in the Thar Desert of western Rajasthan, where rainfall is below about 25 cm and only desert plants such as khejri and cactus grow.

A leaf from a sunny day is full of starch made by photosynthesis, and iodine turns starch blue-black. This is the standard school test for starch in a leaf.

A body moving faster than sound outruns its own sound waves, which pile up into a shock wave heard on the ground as a sonic boom.

The Sugamya Bharat Abhiyan is a campaign to make places, transport and information accessible; it is run by the Department of Empowerment of Persons with Disabilities and has no pension component.

Xylem carries water along with the minerals dissolved in it from the roots up to the stem and leaves. Plants have two kinds of conducting tissue.

Olivine is a silicate of magnesium and iron that forms greenish crystals and is common in basalt. Olivine takes its name from its olive-green colour.

Under First Past the Post, the candidate with the most votes wins, even if that is far less than half of all votes cast.

Bacteria have a cell wall and human cells do not, so a drug that attacks the cell wall harms only the bacteria.

Buried organic waste rots without air in a landfill, and bacteria that work without oxygen release methane. Food scraps, paper and garden waste make up a large share of city garbage.

Each nucleotide of DNA is made of these three parts, and many nucleotides joined together form the polynucleotide chain. In a DNA strand, the sugar of one nucleotide is linked to the phosphate of the next by a phosphodiester bond, making a sugar-phosphate backbone.

With an area of about 7.86 lakh sq km, New Guinea is the world's second-largest island, after Greenland. New Guinea lies just north of Australia and is shared by two countries: its western half belongs to Indonesia and its eastern half is the mainland of Papua New Guinea.

A magnesium atom sits at the centre of every chlorophyll molecule, so a plant cannot make chlorophyll without it. Chlorophyll is built around a ring-shaped structure called a porphyrin, with a single magnesium ion held at its centre.

A carbonate reacts with an acid at room temperature to give carbon dioxide, and only carbon dioxide turns limewater milky.

Nominal GDP values each year's output at that year's own (current) prices, not at constant prices, so this statement is not correct.

The body's weight stays the same, but standing puts it on the small area of the feet, so the pressure is greater.

Silver is the best conductor, nichrome is an alloy with high resistivity, and glass is an insulator with enormous resistivity.