Q1. Diamond and Emerald contain (a) Carbon and silicon (b) Carbon and zinc (c) Silicon, aluminium and beryllium (d) Carbon and calcium (UPSC Prelims 1982) Answer: (a) Explanation: Diamond is composed of pure carbon, while emerald contains silicon along with beryllium and aluminium. These elements give them their distinct crystal structures and optical properties.
Q1. The dress made out of which of the following is safe to wear while cooking ? (a) Nylon (b) Terylene (c) Silk (d) Cotton (UPSC Prelims 1982) Answer: (d) Explanation: Cotton is natural, breathable, and less flammable compared to synthetic fabrics like nylon or terylene, which can melt and stick to skin. Hence, cotton …
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Q1. The substance generally used in the tip of safety match stick is (a) Red phosphorus (b) Sodium (c) Yellow phosphorus (d) Antimony trisulphide (UPSC Prelims 1980) Answer: (d) Explanation: Antimony trisulphide is commonly used in the match head along with oxidizing agents. It helps in ignition when struck against the friction surface, which typically …
Q1. Main source of India’s national income is from (a) Agriculture (b) Industry (c) Forestry (d) None of these (UPSC Prelims 1982) Answer: (a) Explanation: In 1982, agriculture was the primary contributor to India’s national income, employing a majority of the population and forming the backbone of the rural economy. Q2. In India the computation …
Q1. The 45th Amendment to the Indian Constitution relates to (a) Minorities Commission (b) Commission for Scheduled Castes and Scheduled Tribes (c) Extension of reservation of seats for Scheduled Castes and Scheduled Tribes (d) None of the above (UPSC Prelims 1982) Answer: (c) Explanation: The 45th Amendment extended the reservation of seats for Scheduled Castes …
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Q1. Who among the following founded Ramakrishna Mission ? (a) Swami Dayanand Saraswati (b) Raja Rammohan Roy (c) Swami Vivekananda (d) None of these (UPSC Prelims 1982) Answer: (c) Explanation: Swami Vivekananda founded the Ramakrishna Mission in 1897 to promote spiritual development, education, and social service, inspired by the teachings of Sri Ramakrishna Paramahamsa. Q2. …
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Q1. States earn more revenue directly through which of the following taxes ? (a) Sales tax (b) Custom duties (c) Excise duties (d) Income tax (UPSC Prelims 1982) Answer: (a) Explanation: Sales tax was a major source of direct revenue for State Governments before the introduction of GST. Unlike custom and excise duties, which are …
Q1. White paper is a (a) Paper of good quality (b) Paper having white colour (c) Document published by the government on matters of national importance (d) Paper used for bearer bonds (UPSC Prelims 1982) Answer: (c) Explanation: A White Paper is an authoritative report issued by the government to outline policy decisions, legislative proposals, …
Q1. Irrigation facilities should be improved urgently in India because (a) Irrigation yields better output (b) Monsoon is irregular (c) Rivers are dry most of the period in the year (d) Land under irrigation is very small (UPSC Prelims 1982) Answer: (b) Explanation: India’s monsoon patterns are highly unpredictable, leading to frequent droughts or floods. …
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Q1. The largest source of energy in India is (a) Hydro-electric (b) Solar (c) Thermal (d) Nuclear (UPSC Prelims 1982) Answer: (c) Explanation: In 1982, thermal energy was the largest source of power generation in India, primarily derived from coal-fired plants. It played a dominant role due to abundant coal reserves, despite the growing interest …