India · Rajasthan Public Service Commission · civil-service
One paper, 150 MCQs / 150 marks, 2.5 hours, -1/3 negative.
State officer exam whose Unit IX overlaps heavily with this track.
Official source: https://rpsc.rajasthan.gov.in/Static/Syllabus/CB757715-32B0-486B-928E-75F4CD6C2855.pdf
Original questions written to this exam's published syllabus and pattern. Not past papers.
1. When the price of onions in a town market falls from 40 to 36 per kg, daily sales rise from 500 to 560 kg. Using the midpoint (arc) method, the price elasticity of demand is about
A. -1.08
Arc elasticity = (change in Q / average Q) / (change in P / average P) = (60/530) / (-4/38) = -1.08. Using the initial values, (60/500) / (-4/40) = -1.2; using the final values, (60/560) / (-4/36) = -0.96; the midpoint method avoids this dependence on the direction of change. -0.93 divides the price change by the quantity change, inverting the ratio.
Managerial (Applied Agribusiness) Economics · Demand determinants, elasticity and forecasting
2. India is the world's largest producer of which pair of commodities?
A. Milk and pulses
India leads world output of milk and of pulses. China leads in wheat and rice output, the United States and Brazil lead in soybeans and maize, Brazil leads in sugarcane, and Indonesia and Malaysia dominate palm oil.
Agriculture & Food Systems (bridge) · Importance of agriculture in the national economy
3. A block where farmers sell most of their paddy to village traders immediately after harvest at low prices, and buy back grain later at higher prices, most clearly shows:
C. Weak marketing, storage and credit, leading to distress sales
Selling immediately at harvest and buying back later is the classic sign of distress sale driven by cash needs, lack of storage and lack of credit. It says nothing about high efficiency, and futures trading is not involved.
Agricultural Marketing & Price Analysis · Marketing in a developing economy
4. In the seed generation system used in India, the seed class sold to farmers for commercial crop production is
D. certified seed
The chain is nucleus → breeder → foundation → certified. Certified seed is the class multiplied for farmers; breeder and foundation seed are earlier generations used for multiplication.
Management of Agricultural Input Marketing · Seed marketing: policy and trade practices
5. Engel's law explains why agriculture's share of GDP tends to fall as a country develops. The law states that as household income rises,
A. the food share of income falls
Engel's law concerns the budget share: food spending usually still rises in money terms, but more slowly than income, so its share falls. An absolute fall would make food an inferior good, which is not the general case.
Agribusiness Environment & Policy · Role of agriculture in the economy
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