General Science is a Everyday Science (Vanpal) topic in the RAS/RPSC syllabus. This page gathers exam-style General Science multiple-choice questions with correct answers and explanations, so aspirants can test recall and revise frequently examined concepts.
Practice 33 General Science multiple-choice questions with detailed answers and explanations. Ideal for RAS/RPSC exam preparation.
Reviewed by: Aspirant Academy Editorial Team
Q1. According to Meteorology 51% or more deficiency of rainfall from the normal rainfall is called ________ drought.
Explanation
The India Meteorological Department classifies meteorological drought by rainfall deficiency: 26% to 50% is moderate and more than 50% is severe. Therefore, a deficiency of 51% or more from normal rainfall is severe drought, so B is correct.
Q2. Anaerobic bacteria which help in non- symbiotic nitrogen fixation is -
Explanation
Clostridium is listed among free-living, non-symbiotic nitrogen-fixing bacteria, and scientific sources describe nitrogen-fixing clostridia as anaerobic. Azotobacter is a well-known free-living fixer too, but it is aerobic, not anaerobic. Hence option D is correct.
Q3. The largest cranial capacity is found in which of the following human fossils?
Explanation
Reference data on fossil brain volume identify very large Neanderthal estimates, including the Amud Neanderthal at about 1,736 cubic centimetres. Cro-Magnon brain capacity is commonly given around 1,600 cubic centimetres, while Java Man and Peking Man are Homo erectus fossils with lower capacities. Thus, among the given choices, option B is correct.
Q4. Ranikhet is the most common disease found in -
Explanation
Ranikhet disease is also known as Newcastle disease. It is described as an acute viral disease of poultry, so the affected group in the given options is poultry. Therefore option B is correct.
Q5. Which one of the following is not included in area of agricultural economics?
Explanation
Official economic material groups livestock, forestry and fishing as allied sectors of agriculture. Animal husbandry, forestry and fisheries therefore fall within the agricultural sector, but housing is not part of that group. Hence option C is correct.
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