Q1. Which famous judgement restricted the authority of the Parliament to amend the Constitution so as to damage or destroy its basic or essential features or its basic structure ? (a) Golaknath case (b) Balananda Saraswati case (c) Minerva Mills Ltd. and others case (d) Keshvanand Bharti case (UPSC Prelims 1981) Answer: (a) Golaknath case …
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Q1. Who wrote Vande Mataram ? (a) Rabindra Nath Tagore (b) Maulana Abul Kalam Azad (c) Subhash Chandra Bose (d) Bankim Chandra Chatterjeea (UPSC Prelims 1981) Answer: (d) Bankim Chandra Chatterjeea Explanation: Bankim Chandra Chatterjeea wrote Vande Mataram, which was later adopted as the national song of India. It first appeared in his novel Anandamath …
Q1. Pampas are the vast grassy plains of (a) South America (b) North America (c) Africa (d) Eurasia (UPSC Prelims 1980) Answer: (a) South America Explanation: The Pampas are extensive fertile grasslands in Argentina and Uruguay, known for agriculture and cattle ranching, forming part of South America’s landscape. Q2. What are the grass lands of …
Q1. Heavy rainfall affects soil by (a) Increasing its acidity (b) Increasing its alkalinity (c) Reducing its fertility (d) None of these (UPSC Prelims 1980) Answer: (c) Reducing its fertility Explanation: Heavy rainfall can cause soil erosion, washing away nutrients, and leading to reduced fertility, especially in unprotected or sloped areas. Q2. Gypsum is added …
Q1. Doldrums refer to (a) A belt of calm and light variable winds near the equator (b) A particular area in the centre of the Pacific Ocean (c) The region of the upper atmosphere extending upward from the tropopause to about 20 kms. above the earth (d) None of these (UPSC Prelims 1980) Answer: (a) …
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Q1. In which type of rocks, fossils are more abundantly found ? (a) Igneous (b) Metamorphic (c) Sedimentary (d) None of these (UPSC Prelims 1982) Answer: (c) Sedimentary Explanation: Sedimentary rocks form from layers of deposited material, often preserving organic remains, making them the primary source of fossils. Q2. Generally speaking, all rocks may be …
Q1. Radar is used for (a) Detecting objects by using light waves (b) Reflecting sound waves to detect objects (c) Determining the presence and location of objects with radio waves (d) Tracking rain-bearing clouds (UPSC Prelims 1980) Answer: (c) Determining the presence and location of objects with radio waves Explanation: Radar uses radio waves to …
Q1. When iron rusts, the weight (a) Increases (b) Decreases (c) Remains the same (d) First increases then decreases (UPSC Prelims 1980) Answer: (a) Increases Explanation: Rusting is a chemical reaction where iron combines with oxygen, forming iron oxide, which adds mass, causing the weight to increase. Q2. What is the difference between an explosion …
Q1. Stainless steel contains which of the following ? (a) Aluminium and Zinc (b) Chromium and Carbon (c) Zinc and Mercury (d) Copper and Cadmium (UPSC Prelims 1980) Answer: (b) Chromium and Carbon Explanation: Stainless steel is an alloy primarily made of iron, chromium, and carbon, where chromium provides corrosion resistance and carbon adds strength. …
Q1. Isotopes of the same element differ in the number of (a) Protons (b) Neutrons (c) Electrons (d) Positrons (UPSC Prelims 1980) Answer: (b) Neutrons Explanation: Isotopes have the same number of protons but differ in the number of neutrons, resulting in different atomic masses but similar chemical properties. Q2. Mesons are found in (a) …