UPSC Mains AGRICULTURE-PAPER-I 2019

28 Questions • 400 Marks • With Detailed Model Answers

1
10 Marks150 Wordsmedium
Define mutation. Write its classification and role in crop improvement.
AgricultureBotanyGenetics
2
10 Marks150 Wordsmedium
Define dormant and hard seeds. Describe the physiological basis of seed dormancy along with methods to overcome this problem.
AgricultureBotanySeed Science
3
10 Marks150 Wordsmedium
What makes a nutrient element become essential for plant growth and development ? Which is the latest addition in the existing list of 16 essential plant nutrients? Mention its deficiency symptoms and functions.
AgricultureBotanyPlant Physiology
4
10 Marks150 Wordsmedium
How is the patent system different from plant variety protection system?
AgricultureLawIntellectual Property
5
10 Marks150 Wordsmedium
Enlist the storage pests of pulses with their nature of damage. Write their management practices.
AgricultureEntomologyCrop Protection
6
20 Markseasy
What are the major components that constitute cell structure ? Describe their functions.
BotanyBiologyCell Biology
7
15 Marksmedium
Define pedigree method and give its importance in crop improvement, with suitable examples.
AgricultureGeneticsPlant Breeding
8
15 Marksmedium
Write important objectives of seed testing along with the methods used for testing of seed viability, seed vigour and genetic purity of a variety.
AgricultureSeed SciencePlant Breeding
9
20 Marksmedium
Explain the role of plant growth substances in the various developmental stages of a plant with special reference to horticultural crops.
BotanyHorticulturePlant Physiology
10
15 Marksmedium
Discuss the reasons for food grain surplus. Describe food grain production and consumption trends in India.
EconomyAgricultureFood Security
11
15 Marksmedium
Explain sterility systems in crop plants. Describe the role of male sterility in hybrid seed production in vegetable crops with suitable examples.
AgriculturePlant BreedingGenetics
12
20 Marksmedium
Write the various methods of plant breeding and describe the back cross method with its importance in development of crop varieties.
AgricultureGeneticsPlant Breeding
13
15 Marksmedium
Describe the various types of field and seed standards followed in seed production and certification programmes.
AgricultureSeed ScienceQuality Control
14
15 Marksmedium
Name the major fruit crops along with the states commercially growing these crops. Describe the package of practices for papaya cultivation in India.
AgricultureHorticultureFruit Science
15
10 Marks150 Wordseasy
How are vitamins classified? Name the blood clotting vitamin. Give its various functions and sources.
BotanyNutritionPlant Physiology
16
10 Marks150 Wordsmedium
What is polyploidy? Describe its application in crop improvement with its limitations.
AgricultureGeneticsPlant Breeding
17
10 Marks150 Wordsmedium
Describe the role of plant genetic resources conservation in crop improvement.
AgricultureBiodiversityConservation
18
10 Marks150 Wordsmedium
Write the merits and limitations of using genetically modified crops. Present a brief account on the application of GM technology in India.
AgricultureBiotechnologyGenetics
19
10 Marks150 Wordsmedium
"The rate of transpiration governs the growth of a plant." Justify the statement with reasoning for how transpiration is influenced by the environment.
BotanyPlant PhysiologyEnvironment
20
20 Marksmedium
Define protected cultivation along with its major advantages and challenges for adoption in India. Describe the plastic low tunnel technology for off-season cultivation of vegetables.
AgricultureHorticultureTechnology
21
15 Marksmedium
Describe various Laws of Heredity. Explain the Law of Independent Assortment with suitable examples.
BiologyGeneticsBotany
22
15 Marksmedium
Write in detail about bacterial diseases of crop plants and their suitable management practices.
AgriculturePlant PathologyCrop Protection
23
20 Marksmedium
Give the present status of vegetable cultivation in India and describe the package of practices of rabi and kharif onion cultivation in India.
AgricultureHorticultureIndian Economy
24
15 Marksmedium
What is pesticide resistance ? Differentiate between simple and multiple resistance in insect pests with examples. Prescribe measures to overcome pesticide resistance problems.
AgricultureEntomologyCrop Protection
25
15 Marksmedium
Describe gene pyramiding and gene introgression with their importance in developing disease resistant varieties.
AgricultureGeneticsPlant Breeding
26
20 Marksmedium
Name the commercial floriculture crops being grown in India. Describe the package of practices of year round cultivation of chrysanthemum in India.
AgricultureHorticultureFloriculture
27
15 Marksmedium
Elaborate the role of seed industry in the development of Indian agriculture.
AgricultureEconomySeed Science
28
15 Marksmedium
Write the principles of biological control of plant pathogens. Describe the recent trends in bio-control strategies in the field of crop disease management.
AgriculturePlant PathologyCrop Protection