UPSC Mains AGRICULTURE-PAPER-I 2022

28 Questions • 410 Marks • With Detailed Model Answers

1
10 Marks150 Wordsmedium
What is polyploidy? Give a brief account of classification of polyploids.
BotanyGeneticsAgriculture
2
10 Marks150 Wordsmedium
What are the applications of mass selection in self-pollinated crops? Describe its merits and demerits.
BotanyAgriculturePlant Breeding
3
10 Marks150 Wordsmedium
What do you understand by the vertical and horizontal disease resistance in crop plants?
BotanyAgriculturePlant Pathology
4
10 Marks150 Wordseasy
Define seed quality. Describe the characteristics of a seed which decide its quality.
BotanyAgricultureSeed Science
5
10 Marks150 Wordsmedium
Define matric potential, osmotic potential and turgor potential, and explain their interrelationships with water potential.
BotanyPlant Physiology
6
20 Marksmedium
Discuss the structure of a plant chromosome and its role in genetic diversity.
BotanyGenetics
7
20 Marksmedium
Discuss the concept of centre of origin of crops and its role in plant breeding. Describe the role of N. I. Vavilov in identifying centre of origin of various crops with appropriate examples.
BotanyAgriculturePlant Breeding
8
10 Marksmedium
What are the factors that affect the longevity of seeds during storage in warehouses? Describe.
BotanySeed ScienceAgriculture
9
20 Marksmedium
What do you mean by mutation? What is the significance of induced mutation in plant breeding?
BotanyGeneticsPlant Breeding
10
20 Marksmedium
Describe in brief the applications of genetic engineering for insect and herbicide resistance in crop plants.
BotanyBiotechnologyAgriculture
11
10 Marksmedium
What is the need for protection of intellectual property rights of traditional knowledge? Explain sui generis protection of traditional knowledge.
LawAgricultureEnvironment
12
20 Marksmedium
Discuss the mechanisms of absorption and translocation of mineral nutrients in plants.
BotanyPlant Physiology
13
20 Marksmedium
Define aneuploidy. Give an account of morphological and cytological functions of aneuploidy, and discuss its application in crop improvement.
BotanyGeneticsPlant Breeding
14
10 Marksmedium
Explain the techniques involved in somatic hybridization in crop plants.
BotanyBiotechnologyAgriculture
15
10 Marks150 Wordsmedium
Give a detailed account of sucrose metabolism in plants.
BotanyPlant Physiology
16
10 Marks150 Wordsmedium
Enlist and explain the symptoms of plant diseases which disrupt the photosynthesis function.
BotanyPlant PathologyAgriculture
17
10 Marks150 Wordsmedium
What are pesticide formulations? Discuss the different types of formulations used in pest control.
AgricultureEntomologyPlant Pathology
18
10 Marks150 Wordsmedium
Enlist and explain the salient features of Public Distribution System as per the provisions of the National Food Security Act, 2013.
EconomySocial IssuesGovernance
19
10 Marks150 Wordsmedium
Enlist and explain the efforts of the Government of India in streamlining the current levels of poverty.
EconomySocial IssuesGovernance
20
20 Marksmedium
Describe the vicious cycle of poverty and enlist the existing policy instruments for combating malnutrition.
EconomySocial IssuesHealth
21
20 Marksmedium
Enlist and explain 'Dos' and 'Don'ts' in pesticides' usage with reference to purchase, handling, application and disposal of pesticides.
AgricultureEnvironmentHealth
22
10 Marksmedium
Define biotic stress in plants. Explain the role of salicylic acid in a plant's response to biotic stress.
BotanyPlant PhysiologyAgriculture
23
20 Marksmedium
Enlist the different commercial flowers cultivated on a large scale for cut flower trade. Briefly discuss the factors affecting the keeping quality of cut flowers and the remedies.
BotanyAgricultureHorticulture
24
20 Marksmedium
Discuss photorespiration. What is the relationship between photorespiration and photosynthesis?
BotanyPlant Physiology
25
10 Marksmedium
Enlist and explain the issues and challenges in the growth of food processing industry in India.
EconomyAgricultureIndustry
26
20 Marksmedium
Enlist the seed spices grown in India. Briefly discuss the cultivation and post-harvest management practices for coriander and cumin.
AgricultureHorticultureBotany
27
20 Marksmedium
Describe the various methods of pest control with appropriate examples.
AgricultureEntomologyEnvironment
28
20 Marksmedium
What is food security? Why is it essential? Describe the current food security system in India.
EconomySocial IssuesAgriculture