AGRICULTURE (Paper II)

Classify the mutation. Explain the application of mutation breeding.·5

1 Write the package and practices of Gladiolus cultivars citing method of propagation, soil, climatic
conditions, harvesting and yield.5

1 What are Enzymes? Write the properties and factors affecting enzyme's activity.5

1. Explain the constraints in procurement and distribution policies in India.

1 What do you mean by C4 and CAM mechanisms?

2 Discuss the impact ofrapid increase in population on food and agriculture.

2 Write the diagnostic sympioms of Blister Blight ofTea. Explain the causal organism and management
of the disease in tea plantation. .
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2 What is meant by linkage and crossover Write their significance in recombination breeding.

2 What do you mean by.genetically modified crop plants? Write its advantages and disadvantages.

3. Answer each of the following questions: "l2t x4=50

3. Define cole crops. Explain on what basis cole crops are grouped.

Explain the law of homologous series. How is it helpful in genetic resources, conservation and
utilization?

3. What do you mean by nutrient deficiency? Explain the micro-nutrient deficiency in context of work
capacity of women and children.

3. What is stress physiology? Write the physiology of seed germination and development.

4. Answer each ofthe following questions: 121 x4=50

4. What is photoperiodism? Write at least one example of shortday plant, 1ongday plant and day neutral
plant.

4. Write the' distribution of mango malformation in India. What are the causes of different
malformations? Suggest to combat the malformation.

4. Write the essential nutrients required by plants for growth and development. Explain the boron
deficiency symptom in Cauliflower and Litchi.

4. What are the components of DNA and RNA Give the characteristic difference of the DNA and
RNA:

Answer the following questions in about 150 words each 10x5=50

5. What are objectives of seed testing? Write the testing procedure adopted in paddy and wheat crops.

5. Name three important stored grain pests of Rice. Describe the biology and management of any one of
them.

5. Define Quarantine. Explain the plant quarantine regulation with respect to wart disease of Potato and .
bunchy. top disease of Banana.

5. What do you mean by Targeted Public Distribution System (TPDS) Who are specially focussed
group covered under this programme?

Write the importance of prunning and Training in fruit crops. Describe the procedure adopted in
Grapes.

6.Answer each of the following questions: 121 x4=50
.
6. What are the reasons for food grain surplus in India? Write the steps taken by the government to save
the food grains.

6. Write the package and practices of Potato culiivation under the heads of soil and climatic condition,
seed rate, nutrients requirement, time of planting, earthing and yield.

Define respiration and state why is this process essential for plants.

6. Discuss the importance of conservation ofplant genetic resources for crop improvements.

7.Answer. each of the following questions: 12! x4=50

7. What are fungicides? How fungicides are classified on the basis of chemical nature?

7. Name the proccss by which carbohydrates are synthesized in plants. Narrate its mechanism.

7. Write the production technology of Marigold as it is one of the important flowers cultivated
throughout the year.

7. What is cell? Explain the structure and function of the cell.

8 Write notes on each of the following:

8. Predator and parasites
8. Laws ofheredity
8. Biological control ofpests and diseases
8. Food production and consumption trends in India