UPSC Mains 2023 Agriculture Optional Paper II questions

28 questions from the Civil Services (Main) Examination 2023. Official UPSC paper (PDF) · All Agriculture Optional PYQs

Enumerate the functions of Endoplasmic reticulum and Golgi apparatus.
10 marks
Explain inbreeding depression and its effect in crops. Also explain the degrees of inbreeding depression.
10 marks
Briefly discuss the requirements for production of certified seeds.
10 marks
Give the classification of soil water. Briefly discuss soil moisture availability with respect to soil type.
10 marks
Write down about the origin and domestication of rice.
10 marks
Enlist the molecular models of cell membrane and explain the models
Give an account of seven different pairs of contrasting characters whose inheritance was studied by Mendel in Garden Pea (Pisum sativum). Give the reasons for Mendel's success in the study.
20 marks
Explain various theories of inheritance. Write down the evidences suggesting the presence of cytoplasmic inheritance in the crosses' results.
10 marks
Describe the history of plant breeding in India. Write the objectives of plant breeding and methods for creation of variability for crop improvement.
20 marks
Describe Systemic Acquired Resistance (SAR) and source of disease resistance with suitable examples. Write the advantages of breeding for disease resistance in plants.
20 marks
What do you understand by graft incompatibility? Describe the symptoms and causes of graft incompatibility in plants with suitable examples.
10 marks
Discuss different forms of Intellectual Property Rights (IPR) in India.
20 marks
Give an account of stomate anatomy and cytology. Write down the effect of light, water deficit, COg concentration and temperature on stomatal movement along with the underlying mechanism.
20 marks
Describe the role of State Seed Certification Agencies.
10 marks
Write down the constraints of fruit processing industry in India.
10 marks
Describe mentha cultivation with reference to varieties, soil and climate, nutrient management and processing.
10 marks
Enlist the role of auxins in agriculture, with suitable examples.
10 marks
Briefly discuss Integrated Pest Management in cotton.
10 marks
Briefly discuss the micronutrient deficiencies observed in children and women in India along with the diseases associated with them.
10 marks
Describe the principles, components and strategies for Integrated Disease Management in crops. Write down its application in management of rice blast and bacterial blight of pomegranate.
20 marks
Discuss the package of Guava cultivation with reference to soil and climate, propagation, varieties, disease management and bahar treatment.
20 marks
Bag A sat Afar Briefly discuss round-the-year marigold cultivation with reference to varieties, sowing and transplanting, disease management and value-addition.
10 marks
Enlist various photosynthetic pigments. Give a detailed account of chlorophyll synthesis along with the enzymes involved in the process. Also mention the role of carotenoids in photosynthesis.
20 marks
List the reactions of Calvin Cycle and Hatch-Slack Cycle for CO, fixation in plants along with enzymes involved.
20 marks
Briefly discuss the pathways of carbohydrate metabolism in plants.
10 marks
How has food production, including horticultural crops, changed in India during the last one decade? Write down its impact on food and nutritional security.
20 marks
Write down the various programmes run by State and Central Governments for ensuring food security in our country. Briefly discuss the strategies for sustainable agricultural production.
20 marks
Classify foods on the basis of their functions. Write down a balanced diet for a sedentary man and woman in India.
10 marks

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