UPSC Agriculture 2021

Describe the following in about 150 words each: (a) The major ways for sustainable management of natural resources (10 marks) (b) Improved agro-practices for the production of qua…

(a) What is greenhouse effect? Write in detail about various greenhouse gases and their impact on crop production. (20 marks) (b) What is the role of new agricultural technologies…

(a) What do you understand by agroforestry? Discuss various types of agroforestry systems in India with the help of examples. (20 marks) (b) What do you mean by Site-Specific Nutr…

(a) What are the factors responsible for declining soil fertility? Discuss various measures adopted for improving soil productivity. (20 marks) (b) Define Integrated Farming Syste…

Describe Q. Nos. 5(a), 5(c), 5(d), 5(e) and answer Q. No. 5(b) (in about 150 words each): (a) Technologies and policies for sustained crop production in rainfed agriculture (10 ma…

(a) Define soil erosion and its different forms. Explain agronomic and mechanical measures to reduce the adverse effects of soil erosion in crop production. (20 marks) (b) What is…

(a) Define ecology. Mention its basic concepts and relevance in crop production. (20 marks) (b) How to improve drainage of waterlogged areas? Discuss the advantages and limitation…

(a) Critically examine the major extension programmes of agricultural sector in India. Suggest different measures to improve technology dissemination and adoption at farmer's fiel…

Answer the following questions in about 150 words each : 10×5=50 (a) What do you mean by gene pool concept and genetic erosion ? Classify the gene pool of a crop. 10 (b) Describe…

(a) Define cell. How is a plant cell different from an animal cell ? Describe a typical cell structurally and functionally, with a suitable diagram. 15 (b) Describe the physiologi…

(a) What is clone ? What do you understand by clonal selection ? Describe the various steps involved in clonal selection. 15 (b) What do you understand by centre of origin ? Discu…

(a) What is the role and importance of "Seed treatment campaign" in India in the context of quality crop establishment ? 15 (b) What is DNA fingerprinting ? Discuss its applied as…

Answer the following questions in about 150 words each : 10×5=50 (a) Define seed viability. Describe in brief the metabolic aspects of seed germination. 10 (b) Define 'Pests' and…

(a) What are enzymes ? Describe "Key-lock theory" with respect to mode of enzyme action. 15 (b) What is plant physiological stress ? Describe morphological and physiochemical chan…

(a) What do you mean by "Economic Injury Level" (EIL) and "Economic Threshold Level" (ETL) ? Describe their roles in classifying the pests in relevance to Integrated Pest Manageme…

(a) What is the food production and consumption pattern of India in the last fifty years ? 15 (b) What do you mean by 'hunger' and 'hidden hunger' ? Comment on various strategies…