Railway GK Questions 2026

Wendell Meredith Stanley crystallised the tobacco mosaic virus and showed that the crystals were made chiefly of protein, work that proved a virus could be handled like a chemical substance and won him a share of a Nobel Prize.

In binomial nomenclature the first word of the name is the generic name, the genus to which the organism belongs, and the second is the specific epithet; thus Panthera is the genus that also holds the lion as Panthera leo and the leopard as Panthera pardus, while tigris is the…

Arthropoda is the largest phylum of the animal kingdom, holding more described species than all the others together, because it contains the insects along with the crustaceans, spiders, scorpions and centipedes; its members have a chitinous exoskeleton and jointed legs.

In a lichen the algal partner, called the phycobiont, photosynthesises and supplies food, while the fungal partner, the mycobiont, gives shelter and absorbs water and minerals; lichens grow on bare rock as pioneers and die in polluted air, so they serve as indicators of air pollution.

Mosses and liverworts grow on damp soil, rocks and tree trunks, that is on land, but they have no vascular tissue and their male gametes must swim through a film of water to reach the female gamete, so reproduction fails without water; living on land and breeding in water is…

Mycoplasmas are the smallest living cells known, they lack a cell wall altogether, and because of that they can change shape and are not affected by antibiotics that act on the wall; they cause diseases in plants and animals and are placed in the kingdom Monera.

The wall of a fungal cell is built of chitin, a nitrogen-containing polysaccharide that is also found in the exoskeleton of insects, and it is one of the main reasons fungi were taken out of the plant kingdom and given a kingdom of their own.

A species is a group of organisms that resemble one another in all essential characters and that can interbreed to produce fertile offspring; it is the smallest and the basic unit of classification, and all higher ranks are built by grouping species together.

Chlamydomonas is a unicellular, flagellated member of the Chlorophyceae, the green algae, in which chlorophyll a and b give the plant its grass-green colour and the food is stored as starch.

Robert Harding Whittaker proposed the five kingdoms Monera, Protista, Fungi, Plantae and Animalia in 1969, using cell structure, body organisation, mode of nutrition, reproduction and evolutionary relationships as the criteria of division.

The Swedish naturalist Carl von Linne, known in Latin as Carolus Linnaeus, arranged plants and animals in a hierarchy of ranks and gave biology the two-word system of scientific names in his works Systema Naturae and Species Plantarum, so he is called the father of taxonomy.

Section 2(1)(d) of the Act defines human rights as rights relating to life, liberty, equality and dignity of the individual guaranteed by the Constitution or embodied in these covenants and enforceable by courts in India.

On a ground of proved misbehaviour or incapacity the President must refer the matter to the Supreme Court, and the Chairperson or member can be removed only if the Court, after an inquiry held in accordance with its own procedure, reports that the ground is made out.

The correct answer is C, 2014, when the Jain community was notified as a minority, joining Muslims, Christians, Sikhs, Buddhists and Parsis and taking the notified list to six communities.

The correct answer is C, 2005, the year of the Commissions for Protection of Child Rights Act, under which the national commission began work in 2007 and the State commissions were later set up.

The correct answer is C, the National Commission for Scheduled Castes, which stands on Article 338 of the Constitution; its companion bodies for Scheduled Tribes and for Backward Classes stand on Articles 338A and 338B, the last inserted by the One Hundred and Second Amendment in 2018.

Section 19 of the Protection of Human Rights Act, 1993 carves out a special procedure for the armed forces: the Commission may either not proceed with the complaint or seek a report from the Central Government, and after receiving that report it may make its recommendations; the Government must inform…

The Protection of Human Rights Act, 1993 bars the Commission from inquiring into any matter after the expiry of one year from the date on which the act constituting the violation of human rights is alleged to have been committed.

The selection committee has six members: the Prime Minister as its head, the Speaker of the Lok Sabha, the Deputy Chairman of the Rajya Sabha, the Leaders of the Opposition in the Lok Sabha and the Rajya Sabha, and the Union Home Minister; the President then makes the appointment on…

The correct answer is B, 12 October, the date on which the Commission was constituted in 1993.