Railway GK Questions 2026

Phawngpui, 2,157 metres, in the Lushai or Mizo hills, is the highest point of Mizoram, is known as the Blue Mountain, and gives its name to the Phawngpui National Park, also called the Blue Mountain National Park.

Saramati, 3,826 metres, is the highest peak of Nagaland and of the Naga hills, and it stands on the boundary between Nagaland and Myanmar in the Purvanchal or eastern hill belt, which runs from the Patkai Bum through the Naga, Manipur and Mizo hills.

Doddabetta, 2,637 metres, is the highest summit of the Nilgiri hills and of Tamil Nadu, and it overlooks Udhagamandalam, that is Ooty; the Nilgiris are the meeting place of the Western Ghats, the Eastern Ghats and the Anaimalai, and the Nilgiri Biosphere Reserve was the first biosphere reserve of India.

Reo Purgyil, 6,816 metres, stands in the Kinnaur district of Himachal Pradesh on the Zanskar range near the border with Tibet, and it is the highest point of the state.

Dhupgarh, about 1,350 metres, rises above Pachmarhi in Madhya Pradesh and is the highest point of the Satpura range and of the state; Pachmarhi is the only hill station of Madhya Pradesh and lies within a biosphere reserve.

Guru Shikhar, 1,722 metres, stands on Mount Abu in the Sirohi district of Rajasthan and is the highest point both of the state and of the Aravalli, the oldest fold mountain system of India; Mount Abu is also the only hill station of Rajasthan.

Anamudi, 2,695 metres, in the Anaimalai hills of Kerala, is the highest peak of the Western Ghats and of the whole of peninsular and south India, and it stands inside the Eravikulam National Park, the chief home of the Nilgiri tahr.

Kangchenjunga rises to 8,586 metres on the border between Sikkim and Nepal and is the third highest mountain in the world after Everest and K2; its name means the five treasures of snow, and the Kangchenjunga National Park around it was inscribed on the UNESCO World Heritage List in 2016.

Nanda Devi, 7,816 metres, in the Garhwal Himalaya of Uttarakhand, lies wholly inside Indian territory and is therefore the highest peak entirely within India.

Nephology is the study of clouds, their formation, classification into types such as cirrus, cumulus and stratus, and their part in rainfall, and it is a branch of meteorology, the science of the atmosphere and the weather.

Herpetology is the study of reptiles such as snakes, lizards, crocodiles and turtles, together with amphibians such as frogs, toads and salamanders, and in India it includes the work on snake venom and antivenom at institutions that maintain snake parks.

Phycology, also called algology, is the study of algae, the simple photosynthetic organisms that range from the single-celled Chlamydomonas to the large brown seaweeds, and it covers their classification and their uses as food, fertiliser and a source of agar.

Cryogenics deals with the production of very low temperatures and with the behaviour of materials at those temperatures, where liquefied gases such as liquid nitrogen, oxygen and hydrogen are used; it is applied in rocket engines with cryogenic upper stages, in superconducting magnets and in the preservation of biological material…

Speleology is the exploration and scientific study of caves, their formation, the limestone features such as stalactites and stalagmites that develop in them, and the animal life adapted to permanent darkness.

Pedology is the study of soils, including their formation from parent rock, their profile and horizons, their classification and their fertility, and it is the science behind soil surveys and land capability maps.

Entomology is the branch of zoology that deals with insects, the largest class of animals, and it covers their structure, classification, life cycles and their role as pests and pollinators.

Sericulture is the rearing of silkworms for the production of raw silk, and it includes the growing of mulberry, on whose leaves the mulberry silkworm feeds; India produces mulberry silk as well as the wild varieties tasar, eri and muga, the last being special to Assam.

Palaeontology is the study of fossils, the preserved remains or traces of organisms of past geological ages, and it supplies the evidence on which the history of life and the theory of evolution rest.

Seismology is the study of earthquakes and of the passage of seismic waves through the earth, and it is from seismic wave records that the layered structure of the interior of the earth has been worked out; the instrument used is the seismograph.

Ornithology is the study of birds, their classification, habits, migration and nesting; Salim Ali, known as the birdman of India, was the country's best known ornithologist and wrote the Book of Indian Birds.