UPSC Mains AGRICULTURE-PAPER-II 2023

Enumerate the functions of Endoplasmic reticulum and Golgi apparatus.

Explain inbreeding depression and its effect in crops. Also explain the degrees of inbreeding depression.

Briefly discuss the requirements for production of certified seeds.

Give the classification of soil water. Briefly discuss soil moisture availability with respect to soil type.

Write down about the origin and domestication of rice.

Enlist the molecular models of cell membrane and explain the models given by S.J. Singer and G. Nicholson (1972), Green and Capaldi (1974) and Racker (1976).

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.

Explain various theories of inheritance. Write down the evidences suggesting the presence of cytoplasmic inheritance in the crosses' results.

Describe the history of plant breeding in India. Write the objectives of plant breeding and methods for creation of variability for crop improvement.

Describe Systemic Acquired Resistance (SAR) and source of disease resistance with suitable examples. Write the advantages of breeding for disease resistance in plants.

What do you understand by graft incompatibility? Describe the symptoms and causes of graft incompatibility in plants with suitable examples.

Discuss different forms of Intellectual Property Rights (IPR) in India.

Give an account of stomate anatomy and cytology. Write down the effect of light, water deficit, CO2 concentration and temperature on stomatal movement along with the underlying mechanism.

Describe the role of State Seed Certification Agencies.

Write down the constraints of fruit processing industry in India.

Describe mentha cultivation with reference to varieties, soil and climate, nutrient management and processing.

Enlist the role of auxins in agriculture, with suitable examples.

Briefly discuss Integrated Pest Management in cotton.

Briefly discuss the micronutrient deficiencies observed in children and women in India along with the diseases associated with them.

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.

Discuss the package of Guava cultivation with reference to soil and climate, propagation, varieties, disease management and bahar treatment.

Briefly discuss round-the-year marigold cultivation with reference to varieties, sowing and transplanting, disease management and value-addition.