Sl. No. F-DTN-M-BHSA

AGRICULTURE

Paper-1

I Time Allowed Three Hours I I Maximum Marks 300 I

INSTRUCTIONS

Each question is printed both in Hindi and in English. Answers must be written in the medium specifi-ed in the Admission Certificate issued to you. which must be stated clearly on the cover of the answer-book in the space provided for the purpose. No marks will be given for the answers written in a medium other than that specified in the Admission Certificate. Candidates should attempt Question Nos. 1 and 5, which are compulsory, and any three of the remaining questions selecting at least one question from each Section. The number of marks carried by each question is indicated at the end of the question. Important Note : Whenever a question is being attempted, all its parts/ sub-parts must be attempted contiguously. This means that before moving on to the next question to be attempted, candidates must finish attempting all parts/ sub-parts of the previous question attempted. This is to be strictly followed. Pages left blank in the answer-book are to be clearly struck out in ink. Any answers that follow pages left blank may not be given credit.

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Section-A

1. Answer the following in about 150 words each : 12x5=60

(a) Name the important minerals found in different rocks. Describe chemical weathering of soil.

{b) What is crop-weed competition? Give principles of integrated weed management.

(c) What are principal agricultural regions? Give importance of intercropping system.

{d) What is water harvesting? Why in modem-day agriculture is it becoming increasingly significant?

{e) Why are agroecosystems diversity? Give characteristics land ecosystem.

losing of crop-

2. Answer the following in about 200 words each : 15x4=60

(a) What 1s the difference between modern and sustainable agriculture? Give resource management for sustainable agriculture.

(b) What is subsistence agroforestry system? Describe Taungya cultivation.

F-DTN-M-BHSA/9 2

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.. (c) What do you understand by degraded

land? Discuss the strategies for rehabilitation of such land.

(d) Briefly discuss different aspects of integrated nutrient management and its limitations.

3. Differentiate between the following : 15x4=60

(a) Cropping system and Cropping pattern (b) Intensification and Diversification of

agriculture

(c) Chelates and Boron carriers (d) Krishi Vigyan Kendra and Agricultural

Technology Information Centre

4. Answer the following in about 200 words each : t5x4=60

(a) Describe technology assessment and refinement through institution-village linkage programmes.

(b) What are the factors of herbicide selectivity? Briefly discuss about selective herbicides for rice and wheat.

(c) What is permanent wilting point (PWP)? Describe surge-flow irrigation.

(d) Briefly discuss about soil management under water stress condition.

F-DTN-M-BHSA/9 4

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Section-B

5. Write short notes on the following in about 150 words each I2x5~60

(a} Soil factors affecting greenhouse gases emission

(b) Steps in farm planning and budgeting (c) Conservation furrow (d) Value addition in agriculture (e) Emerging concepts of transfer of

technology

6. Answer the following in about 200 words each : !Sx4~60

(a} Describe the factors responsible for soil erosion and agronomic measures to control it.

(b) Briefly discuss about runoff harvesting and recycling on watershed basis.

(c) What are the major problems of agricultural marketing in India?

(d} Discuss about indigenous technical knowledge (lTK) and its importance.

7. Differentiate between the following : 15x4~60

(a} Water distribution efficiency and Water use efficiency in agriculture

(b) Bio-drainage and Horizontal drainage

F-DTN-M-BHSA/9 6

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(c) Self-help groups and Farmer interest groups

(d) Result demonstration and Method demonstration

8. Answer the following m about 200 words each : 15x4=60

(a) Describe the potassium fixation in soil and factors affecting it.

(b) What is private extension? agencies involved in this type technology dissemination.

Give of

(c) What is farm budgeting? Discuss different types of farm budgeting.

(d) What is water quality classification? Describe the hazards arising out of water quality.

F-DTN-M-BHSA/9 8

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Sl. No._

CS(M) EXAM2012 .-, F--D-T-N--M---BH-S-8~,

AGRICULTURE Paper II

jnme Allowed: Three HoursjjMaximum Marks: 3001 INSTRUCTIONS

Each question is printed both in Hindi and in English. Answers must be written in the medium specified in the Admission Certificate issued to you, which must be stated clearly on the cover of the answer-book in the .1pace provided for the purpose. No marks will be given for the answers written in a medium other than that specified in the Admission Certificate. Candidates should attempt Question Nos. 1 and 5 which are compulsory, and any three of the remain-ing questions selecting at least one question from each Section. All questions carry equal marks. Important : Whenever a Question is being attempted, all its parts/sub-parts must be attempted contiguously. This means that before moving on to the next Question to be attempted, candidates must finish attempting all parts/sub-parts of the previous Question attempted. This is to be strictly followed. Pages left blank in the answer-book are to be clearly struck out in ink. Any answers that follow pages left blank may not be given credit.

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Section 'A'

1. Answer the following questions in about 150 words each : 12x5=60

(a) Describe different types of structural variations in chromosomes. Mention its genetic implica-tions.

(b) What is marker-assisted selection? Discuss its advantages over conventional phenotype -based selection in crop improvement.

(c) What are male sterile lines? Describe its role in seed production.

(d) What are phytohormones? Describe the physiological roles of auxins and gibberellins in plants.

(e) What are the causes of pest outbreak ? Discuss the role of pesticides in pest resurgence.

2. Answer the following in about 200 words each : 15x4=60

(a) What is cell cycle? Describe different stages of interphase of mitosis.

(b) What is detasselling ? How it helps in hybrid breeding?

F-DTN-M-BHSO 2 (Contd.)

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(c) What is host plant resistance ? Give a detailed account of the biophysical and biochemical bases of resistance.

(d) Define the term stress. Give an account on how water deficit is created inside the tissue system in relation to injury and tolerance mechanism.

3. Answer the following in about 200 words each : 15x4=60

(a) Define heterosis. Discuss its application in crop improvement.

(b) "Genetic erosion caused by human activities is a threat to agriculture" - Comment.

(c) Differentiate between seed vigour and viability. How are the two assessed in a seed testing programme ?

(d) Discuss the role of transgenic technology for enhancing shelf life of fruits, vegetables and flowers.

4. Write short notes on the follo;wing 200 words each : (a) Phytoalexins

in about 15x4=60

(b) Plant breeder's right and variety protection (c) Gene for gene hypothesis (d) Microbial pesticides and their use in

agriculture

F-DTN-M-BHSB 4 (Contd.)

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Section '8'

5. Answer the following in about 150 words each : 12x5=60

(a) Define parthenocarpy. What are the different types of parthenocarpy in fruits ? How can it be induced in fruits ?

(b) Describe. in detail occurrence, symptoms, etiology, epidemiology and management of apple scab disease.

(c) What is landscape architecture ? State the principles of landscaping. What are the steps involved in landscaping a public place ?

(d) What is legislative control ? Write various acts on pest control legislation adopted in India.

(e) What is protein energy malnutrition (PEM) ? Discuss reasons for malnutrition among children.

6. Answer. the following in about 250 words each : 20x3=60

(a) What is aerobic respiration? Describe the Krebs cycle reactions and discuss its significance in plant life.

F-DTN-M-BHSB 6 (Contd.)

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(b) Write the causes responsible for alternate bearing in mango and apple. Suggest effective measures to overcome the problem.

(c) What do you mean by "Intellectual Property"? How can the Intellectual Property be protected ? What is the relevance of Intellec-tual Property Right (IPR) in agriculture ?

7, Answer the following in about 200 words each : J5x4=60

(a) Write commercial cultivation practices of Anthurium with reference to microclimate, propagation and planting, harvesting and yield of Anthurium cutflowers.

(b) Describe the diagnostic symptoms, etiology and management of rhizome rot of ginger or bacterial wilt of solanaceous crops.

(c) Describe the production technology for Orchids under protected conditions.

(d) What are the abiotic and biotic factors responsible for citrus decline ? Suggest remedial measures to combat the problem.

F-DTN-M-BHSB 8 (Contd.)

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8. Write short notes on the following in about 150 words each: 12x5=60

(a) Antioxidant rich fruits and vegetables

(b) Satellite viruses

(c) Plant biosecurity

(d) Over dominance hypothesis

(e) Phytosanitary measures

F-DTN-M-BHSB 10

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