Defence GK Questions 2026

India shares its boundary with Myanmar through four States, Arunachal Pradesh, Nagaland, Manipur and Mizoram, and Assam is not among them, because it is shut off from Myanmar by Nagaland and Manipur.

The Tropic of Cancer crosses India through eight States, namely Gujarat, Rajasthan, Madhya Pradesh, Chhattisgarh, Jharkhand, West Bengal, Tripura and Mizoram, and Odisha is not one of them because it lies to the south of the line.

The India and Bangladesh boundary runs through five States, and of these West Bengal has by far the longest stretch, since Bangladesh lies along its southern and eastern sides.

Shimla is the capital of Himachal Pradesh, and Dharamshala in the Kangra valley was declared its second or winter capital, where a session of the State assembly is held.

Chandigarh was built as the new capital of Punjab after Partition, and when Haryana was carved out of Punjab in 1966 the city was made a Union territory serving as the capital of both States.

Dispur, a locality within Guwahati, became the capital of Assam in 1973 after Shillong, the earlier capital, went to the newly created State of Meghalaya.

Haemophilia is an inherited disorder in which a clotting factor is missing, so bleeding continues for a long time after an injury.

The thyroid gland needs iodine to make the hormones thyroxine and triiodothyronine, and when the supply is short the gland enlarges in an attempt to trap more of it, which appears as a swelling in the neck.

Rabies is caused by a virus present in the saliva of an infected animal, usually a dog, and it travels along the nerves to the brain, where it causes inflammation, fear of water and almost certain death once the symptoms begin; it is prevented by vaccination after the bite, a…

Kala-azar, also called visceral leishmaniasis, is caused by the protozoan Leishmania donovani and is passed on by the bite of the female sandfly, which breeds in cracks of mud walls and damp soil.

Filariasis is caused by the thread-like nematode Wuchereria bancrofti, which is carried by the Culex mosquito.

Vitamin A is used to make rhodopsin, the pigment of the rod cells of the retina that allows sight in dim light, so a shortage of it makes a person unable to see properly at dusk or in a dark room.

Vitamin C, or ascorbic acid, is needed to make collagen, the protein that holds tissues together, so its absence weakens the gums and blood vessels and delays the healing of wounds.

This mosquito, marked by white stripes on a dark body, bites during the day and breeds in clean stored water in coolers, tyres and flower pots, which is why dengue control campaigns concentrate on emptying household containers.

Four species of Plasmodium commonly infect human beings, of which Plasmodium falciparum is the most dangerous and Plasmodium vivax the most widespread in India.

Rust of wheat is indeed a fungal disease, caused by species of Puccinia, and it is named from the reddish brown spores that appear in streaks on the leaves and stem.

Bacillary dysentery, also called shigellosis, is caused by bacteria of the genus Shigella, which invade the lining of the large intestine and produce frequent stools with blood and mucus, along with fever and cramps; it spreads through contaminated water and food.

Escherichia coli is a bacterium whose harmful strains reach the body through drinking water or food contaminated with sewage, and the infection they produce shows itself as diarrhoea and abdominal pain, which places it among the classic water-borne illnesses along with cholera, typhoid and hepatitis A. Option A is wrong…

In the mesosphere the temperature falls as one goes up, reaching about minus 100 degrees Celsius at the mesopause near 80 km, which makes it the coldest layer of the atmosphere.

Calderas are the most explosive of the earth's volcanoes, because they erupt so violently that the magma chamber empties and the summit collapses into a wide hollow instead of building a cone.