MCQ on Crops – indigenous and introduced – history of rice, sugarcane and cotton
MCQ on Crops – indigenous and introduced – history of rice, sugarcane, and cotton for ICAR-JEF, ICAR-SRF, ICAR-NET, IBPS-AFO/SO, Pre-PG, BHU Pre-PG, IFFCO-AGT, CCI, FCI, B.sc, M.sc, All Agriculture Competitive Exams. 1. Which crop contributes the highest percentage to the utilization of cereals for food, feed, and industrial purposes according to the given passage? – A) Wheat – B) Rice – C) Maize – D) Coarse grains – **Answer: D) Coarse grains** – **Explanation: The passage states that coarse grains contribute 53.7% to the utilization of cereals for food, feed, and industrial purposes.** 2. What has been the long-term trend in cereal economics over the past fifty years as mentioned in the passage? – A) Decrease in wheat production – B) Increase in rice consumption – C) Shift towards wheat and rice, and to some extent maize – D) Replacement of rice with coarse grains – **Answer: C) Shift towards wheat and rice, and to some extent maize** – **Explanation: The passage states that there has been a long-term trend towards wheat and rice, and to some extent maize in cereal economics over the past fifty years.** 3. Which regions have achieved higher growth in production and consumption of cereals according to the passage? – A) Developed countries – B) European countries – C) Developing countries – D) African countries – **Answer: C) Developing countries** – **Explanation: Developing countries have achieved higher growth in production and consumption of cereals, as stated in the passage.** 4. What is one of the reasons for the projected increase in world demand for cereals mentioned in the passage? – A) Decrease in population – B) Decrease in income levels – C) Increase in taste preferences – D) Decrease in food trade – **Answer: C) Increase in taste preferences** – **Explanation: The passage states that one of the reasons for the projected increase in world demand for cereals is the change in taste and income of people.** 5. According to the passage, what is the projected annual increase in world demand for cereals in the next 25 years? – A) 1-2% – B) 2-3% – C) 3-4% – D) 4-5% – **Answer: B) 2-3%** – **Explanation: The passage states that the projected annual increase in world demand for cereals in the next 25 years is 2-3%.** 6. What is the primary role of cereals in the food security system of several nations according to the passage? – A) Providing medicinal benefits – B) Sustaining life – C) Enhancing industrial production – D) Promoting environmental sustainability – **Answer: B) Sustaining life** – **Explanation: The passage mentions that cereals, including wheat, rice, and maize, are considered life-sustaining crops for humans.** 7. Which of the following statements regarding the utilization of cereals is true according to the passage? – A) Rice contributes the highest percentage to utilization. – B) Coarse grains are primarily used for industrial purposes. – C) Wheat contributes the lowest percentage to utilization. – D) Maize is the only cereal with increasing utilization. – **Answer: A) Rice contributes the highest percentage to utilization.** – **Explanation: According to the passage, rice contributes 20.8% to the utilization of cereals.** 8. What has been the trend in the utilization of coarse grains over the past fifty years? – A) Decrease in utilization – B) Increase in utilization – C) Stable utilization – D) Shift towards industrial utilization – **Answer: A) Decrease in utilization** – **Explanation: The passage mentions a long-term trend towards wheat and rice, with a decrease in the utilization of coarse grains.** 9. Which sector has shown rapid expansion in the utilization of cereals in developing countries? – A) Industrial sector – B) Agricultural sector – C) Health sector – D) Livestock sector – **Answer: D) Livestock sector** – **Explanation: The passage states that there has been a rapid expansion of cereals as feed in developing countries.** 10. What challenge does the passage highlight in maintaining adequate food supply for larger sections of the population? – A) Decrease in world demand for cereals – B) Increase in agricultural productivity – C) Rise in deficits in developing countries – D) Decrease in population growth – **Answer: C) Rise in deficits in developing countries** – **Explanation: The passage mentions that developing countries have recorded a rise in deficits, indicating a challenge in maintaining adequate food supply for larger sections of the population.** 11. During which cultural stage or time did the shift from hunting and gathering to agriculture occur? – A) Paleolithic – B) Neolithic (10000 years ago) – C) Medieval rotation (500-1450 AD) – D) Late 1700s – **Answer: B) Neolithic (10000 years ago)** – **Explanation: The shift from hunting and gathering to agriculture occurred during the Neolithic period, around 10,000 years ago.** 12. Which agricultural system is associated with the lowest cereal yield per hectare? – A) Shifting agriculture – B) Medieval rotation – C) Livestock farming – D) Improved farming – **Answer: A) Shifting agriculture** – **Explanation: Shifting agriculture is associated with a cereal yield of 1 ton per hectare, which is the lowest among the options provided.** 13. During which period did livestock farming become prominent? – A) Paleolithic – B) Neolithic (10000 years ago) – C) Medieval rotation (500-1450 AD) – D) Late 1700s – **Answer: D) Late 1700s** – **Explanation: Livestock farming became prominent in the late 1700s according to the provided information.** 14. Which agricultural system is associated with the highest world population? – A) Shifting agriculture – B) Medieval rotation – C) Livestock farming – D) Improved farming – **Answer: D) Improved farming** – **Explanation: Improved farming, associated with the 20th century, is linked to the highest world population of 4200 million.** 15. What concept of agriculture development has been introduced by the Bruntland Commission? – A) Sustainable agriculture development – B) Industrial agriculture development – C) Traditional agriculture development – D) Modern agriculture development – **Answer: A) Sustainable agriculture development** – **Explanation: The Bruntland Commission introduced the concept of sustainable agriculture development.** 16. According to the concept of