Q1. It has been found recently that the acidity of the soil increases because of (a) Leaching away of bases (b) Increased use of ammonia (c) Increased use of urea (d) Increased use of rock phosphate (UPSC Prelims 1979) Answer: (a) Leaching away of bases Explanation: Soil acidity rises when basic nutrients like calcium and …
Q1. The Supersonic jets tend to cause (a) Destruction of ozone layer (b) Sound pollution (c) Nervous system breakdown (d) All of the above (UPSC Prelims 1979) Answer: (a) Destruction of ozone layer Explanation: Supersonic jets, flying at high altitudes, release nitrogen oxides that can deplete the ozone layer. Though they also contribute to noise …
Q1. Underground Railways are being built in India at (a) Bombay (b) Calcutta (c) Hyderabad (d) Madras (UPSC Prelims 1979) Answer: (b) Calcutta Explanation: Calcutta (Kolkata) was the first Indian city to build an underground railway system, known as the Kolkata Metro, inaugurated in 1984. It marked a milestone in urban transport, easing congestion and …
Q1. The great Indian Bustard is found in (a) Madhya Pradesh (b) Rajasthan (c) Assam (d) Nagaland (UPSC Prelims 1979) Answer: (b) Rajasthan Explanation: The Great Indian Bustard, a critically endangered bird, is mainly found in the Thar Desert of Rajasthan. Conservation efforts are focused in Desert National Park, where its habitat is under threat …
Q1. The maximum percentage of the tribal population in India constitutes (a) Bhils (b) Santhals (c) Mundas (d) Nagas (UPSC Prelims 1979) Answer: (b) Santhals Explanation: The Santhals are one of the largest tribal communities in India, primarily found in Jharkhand, Bihar, Odisha, and West Bengal. Their population size and cultural presence make them the …
Q1. In which of the following States the yield of forest wealth per acre is highest ? (a) Uttar Pradesh (b) Madhya Pradesh (c) Kerala (d) Assam (UPSC Prelims 1979) Answer: (d) Assam Explanation: Assam’s dense forests and favorable climate contribute to high per-acre forest yield, including timber, bamboo, and medicinal plants. Its biodiversity and …
Q1. Which among the following States possesses oil resources based on geographical location ? (a) Kerala (b) Nagaland (c) Assam (d) Meghalaya (UPSC Prelims 1979) Answer: (c) Assam Explanation: Assam is rich in petroleum reserves, with major oil fields in Digboi, Duliajan, and Naharkatia. It has been a pioneer in India’s oil industry, with Asia’s …
Q1. Which among the following States depends primarily on thermal power ? (a) Kerala (b) West Bengal (c) Tamil Nadu (d) Karnataka (UPSC Prelims 1979) Answer: (b) West Bengal Explanation: West Bengal relies heavily on thermal power, especially from coal-based plants like Durgapur and Farakka. Its limited hydro resources make thermal energy the dominant source …
Q1. Black Pagoda is in (a) Egypt (b) Konark (c) Madurai (d) None of these (UPSC Prelims 1979) Answer: (b) Konark Explanation: The Black Pagoda refers to the Sun Temple at Konark, Odisha, built in the 13th century. Its dark granite structure and towering architecture earned it the nickname, and it is a UNESCO World …
Q1. The crop which is sown with the commencement of Monsoon is (a) Rabi Crop (b) Kharif Crop (c) Cash Crop (d) None of these (UPSC Prelims 1979) Answer: (b) Kharif Crop Explanation: Kharif crops are sown at the beginning of the monsoon season (June–July) and harvested in autumn (September–October). Examples include rice, maize, and …