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2009-08-23

AGRICULTURE  Paper I

 

Time Allowed:  3 hours]                                                         [Max. Marks: 300

Note:   .(i)  Answer must be written in English.

(ii)  Number of marks carried by each question are indicated at the end of   

      the question.

(iii) Part/Parts of the same question must be answered together and

       should not be interposed between answer to other questions.

            (iv)  Attempt five questions in all, selecting at least two from each section     

Section A

1.  (a)   Discuss in detail the various possible environmental hazard, the sources of

environmental pollution and its hazardous impact to crops, humans and animals.

    (b)    What is meant by crop rotation? Describe in detail the concepts of multiple

cropping system with examples.

    (c)    Define weeds. Classify them based on their habitat and describe in brief the

various methods of controlling the different type of weeds.             20x3

 

1.           Write brief critical notes in about 200 words each on any four of the

     following:

(a)                Soil forming factors,

(b)               Reclamation of Acid Soils,

(c)                Role of organic matter in Soil fertility,

(d)               Cyberpostoral and agri cyberpostoral system,

(e)                Lab to land programmes,

(f)                Types of wind erosion.                                                                 15x4

 

2.           Distinguish between the following:

 

(i)         Mineralisation and Immobilization,

      (ii)         Biotic and Abiotic factors,

      (iii)        Monopoly and Oligopoly,

      (iv)        Fungicides and Weedicides,

      (v)          Intercropping and Relay cropping.                                             12x5

 

4.         Describe the factor involved in the process of soil formation. What are the various constituents of the soil? Briefly describe the characteristics of any five soil orders of USDA soil Taxonomy.                                                           60x1

 

Section B

5.         Write in detail the important features, scope and propagation of various types of forestry plantations such as extension forestry, social forestry agro forestry and natural forests.                                                                          60x1

 

6.         Write brief critical notes in about 200 words each on any four of the following:

(a)        Biological Nitrogen Fixation,

(b)        T and V programme,

(c)        Law of diminishing marginal returns,

(d)       Water use Efficiency,

(e)        Universal Soil Loss Equation,

(f)        Cooperative system in India.                                                              15x4

7.         Discuss in detail the package of practice for the cultivation of lowland rice.    

                                                                                                                        60x1

8.         Write short notes on any five of the following:

(a)        Benefit Cost Ratio,

(b)        Watershed Management,

(c)        Contour Cultivation,

(d)       Socio Economic Survey,

(e)        Biological Conservation of Soil loss,

(f)        A, B and E Soil horizon,

(g)        Means of reducing run off losses of Water,

(h)        Role of Audio visual aids in Agricultural Extension Programme.      12x5

 

 

AGRICULTURE Paper II

Section A

1.  (i)    What were the reasons for Mendel’s success in establishing the laws of inheritance? Briefly describe the ‘Law of Independent Assortment’ with the help of a suitable example. How was it conclusively demonstrated that the genes were located on the chromosomes?                              10,10,10

 

   (ii)   Write short notes on any four of the following:

(a)       Genic Balance Theory of sex determination,

(b)        Sex limited characters,

(c)        Micro mutations,

(d)       Segmental allopolyploids,

(e)        Thermosensitive genic male sterility.              20

 

2.  (a)   Briefly enumerate the contributions of the following in plant breeding & genetics:

(i)         N. I. Vavilov,

(ii)        G. H. Shull,

(iii)       C. T. Patel,

(iv)       M. S. Swaminathan,

(v)        G. S. Khush.                           20

    (b)    Define Heterosis. Explain the Dominance and over dominance theories of heterosis. Briefly discuss the current status and future prospects of hybrid breeding in rice.                      5,10,15

 

3.  (a)   What are the various components of genetic variation? Briefly discuss their utlity in plant breeding. Give the breeding methodology one would like to use in a given crop under following situations:               

(i)         Preponderance of additive genetic variance,

(ii)        Preponderance of dominance and epistasis,

(iii)       Preponderance of both additive and Non additive components.       5,5,15

    (b)    Describe in bried, the role of Mexican dwarf wheats in bringing Green Revolution in India. Name a few Mexican dwarf Wheat varieties responsible for increase in wheat productivity. Also write major agronomic practice recommended for the cultivation of dwarf Wheats. 10,10,5

 

SECTION B

4.   (a)  What are the major fruit crops cultivated in J & K? Describe the following package of practices for getting bumper yield of any one fruit crop other than apple:

(i)         Improved Varieties recommended for J & K,

(ii)        Propagation,

(iii)       Planting techniques,

 (iv)      Fertilizer and irrigation application,

 (v)       Time of harvesting.                                         5+25

 

(b)        Write in brief about the following:

(i)         Two basic requirements for undertaking Seed certification of a field crop,

(ii)        Generation system of Seed production.                     10+10

5.         Write short notes:

(i)         Osmotic potential and its measurement,

(ii)        Role of potassium, uptake and Abscissic acid in the mechanism of opening and closing of stomata,

(iii)       C A M plants and their mechanism of CO2

(v)        Chloroplast and its significance for photosynthetic process.              20

 

(b)        Write in brief about the following:

(i)         Sigmoid growth curve,

(ii)        Bio Synthesis of auxins in relation to Cell elongation,

(iii)       Significance of V max and Km values on enzyme action,

(iv)       Process of cyclic, non cyclic and pseudocyclic photon phosphorylation in light reaction of photosynthesis,

(v)        Effect of Gibberlic acids on floral sex expression of plants.              30

 

6.   (a)  Give description, in brief:

 

(i)         Action of floral stimulus in transformation of vegetative bud into a flower,

(ii)        Process of Electron Transport System and Oxidative phosphorylation in plants,

(iii)       Difference between photon respiration and growth respiration,

(iv)       Significance of Leaf Area duration and Harvest Index in Crop productivity.28

 

(b)        Write in brief about the following:

(i)         Integrated Nutrient Management for sustainable crop productivity,

(ii)        What use efficiency and rain fed crop productivity.              22

 

7.  (a)   Classify various vegetable crops based on climatic requirements, Describe scientific package of practices of one major vegetable crop in each climatic condition.             10+10

   (b)     Write in brief about the management of micro climate for large scale propagation of ornamental plants in a hi tech nursery.    10

(c) (i)            Write in brief  about the management of micro climate for large scale propagation of ornamental plant in a hi tech nursery.    

        (ii)            What is Bio aesthetic city planning? Write in brief.   10+10

 

Section C

8.   (a)  Write short notes on any four of the following:

i)          Mycotoxins,

ii)         Potato Seed certification programme,

iii)        Systemic acquired resistance,

iv)        Numerical taxonomy,

v)         Elicitors,                                  20

     (b)   Comment on the following:

 

i)          Reasons for wide spread of Karnal bunt of Wheat in recent years and possible methods of its control,

ii)         Diagnosis of plant pathogens through rapid and reliable assays,

iii)        Management of Viral diseases through Coat protein mediated resistance rather than cross protection strategy.                        30

 

9.   (a)  Write short notes:

            (i)   Factors responsible for the toxicity of fumigants,

            (ii)  Important species of rodents damaging stored food grains,

            (iii) Success of Pusa Bin for grain storage,

            (iv) Use of Methyl bromide in grain storage and its alternatives.       20

      (b)  Comment on the following:

            (i)   Revised Public Distribution System is really pro poor,

            (ii)  Changing dietary patterns in India and factors affecting them,

            (iii) Regional imbalance in  food grains production in India.

            (iv) Buffer stock operation as an instrument of price stabilization,

            (v) Merits and demerits of procurement of food grains by the government. 30

 

 

 

Agriculture Paper I

Section A

1.         Write short critical notes in about 200 words each on any three of the following:

(a)        Environmental pollution,

(b)        Role of high yielding varieties in Indian Agricultures

(c)        Nitrogen fixation

(d)       Agro forestry.             20x3

 

2.         Distinguish between the following:

(a)        Multiple cropping and Inter cropping,

(b)        Social forestry and Agro forestry,

(c)        Cultural and Chemical control of weeds.

 

3.         Answer the following about 200 words each:  (20x3)

(a)        Describe factors effecting photosynthesis.

(b)        What is Respiration? How it differ form Photosynthesis?

(c)        Discuss the role of growth regulators in plants.

4.         Write short notes on any five of the following:

(a)        Seed testing.

(b)        National Seeds Corporation (NSC)

(c)        Cytoplasmic inheritance,

(d)       Induced mutations.

(e)        Methods of plant breeding

(f)        Hybrid vigour

(g)        Osmosis

(h)        Vernalization.                                                              12x5

 

Section B

5.         Answer any three out of the following about 200 words each:         20x3

(a)        Discuss the marketing problems in fruits and vegetables.

(b)        Describe different rusts of wheat.

(c)        Discuss the role of fruits and vegetables in human nutrition.

(d)       Give an account of the storage pests of cereals.

 

6.

(a)

(b)        Discuss important processing techniques used in

(c)        Discuss integrated management of diseases of Vegetables

 

7.         Answer the following in about 200 words each:        20x3

(a)        Give an account of the principles of plant disease. Control

(b)        Discuss relation of food production to national dietary pattern

(c)        Discuss food production and consumption trends in India.

 

8.         Write short notes on any five of the following:          12x5

(i)         Floriculture,

(ii)        Climatic requirements of apple

(iii)       Green revolution

(iv)       Biological control of pests

(v)        Mango cultivation

(vi)       Hygiene of storage godowns

(vii)      Diseases of tomato.

(viii)     Eco friendly farming,

 

 

PAPER II

Section A

1.         (a)   Discuss Law of Independent Assortment with suitable examples,         15

            (b)   What are mutagens? Describe the role of different in plant breeding. 5,10

            (c)   Differentiate between any three of the following:          15

(i)         Heredity and Variation.

(ii)        Genotype and phenotypes,

(iii)       Qantitative and quatitative traits,

(iv)       Autosomes and sex chromosomes ,

(v)        Allele and Multiple allele.

 

2.(a)     Explain in brief cytroplasmic inheritance. How does it differ form nuclear inheritance? How will you find out whether a particular male sterile line of corn has a nuclear or cytoplasmic control?  10,8,8

  (b)      Write short notes on any three of the following:

(i)         Importance of polyploidy;

(ii)        Hemizyous,

(iii)       Causes of genetic variation,

(iv)       Plelotropism

 

3.(a)     Define seed. Enlist the characteristics of quality seed.          16

  (b)     

4.         Differentiate between any five of the following:

 

(a)        Prokaryotic and Eukaryotic cells,

(b)        Growth and Development,

(c)        Short day and long day plants;

(d)       O3 and O4  plants;

(e)        Aeroble respiration and Amaerobic respiration;

(f)        Exomosis and Endosmosis;

(g)        Turgor pressure and Osmotic pressure;

(h)        Respiration and Photorespiration.                   25

 

Section C

7.(a)     What precaution should be undertaken to protect plant diseases?

   (b)     Describe symptoms, casual organism and control measures of any four of the following:

(i)         Apple scabe;

(ii)        Apple root borer,

(iii)       Mango anthracnose,

(iv)       Mango mealy bug

(v)        Damping off in papaya

(vi)       Bark eating caterpillar of guava          24

 

(c)        List two any important insects pests and control measures of any four of the following crops:

(i)         Tomato,

(ii)        Brinjal

(iii)       Bhindi or lady’s finger or okra

(iv)       Potato

(v)        French bean or Kidney bean;

(iv)       Cauliflower

 

8.(a)     Describe in briefly organs pests of cereals                  20

   (b)     Enlist five commonly used pesticides and their formulations.           10

   (c)     Write short notes on any two of the following:

(i)         Hygiene of storage godowns

(ii)        Food production trends in India;

(iii)       Relation of food production to national dietary patterns.

 

 

 

Agriculture  Paper II

Section A

 

 1.        Answer any three out of the following in about 200 words each:     20x3

(a)        Describe different stages of mitosis.

(b)        Distinguish between qualitative and quantitative characters.

(c)        Describe characteristics of DNA

(d)       Explain sex linked and sex influenced characters.

 

2.(a)     Discuss the role of hybrid varieties in Indian agriculture.

(b)        Describe Mendel’s law of segregation

 

3.         Answer the following in about 200 words each:

(a)        Discuss factors effecting photosynthesis

(b)        What is respiration? How it differ from photosynthesis.

(c)        Discuss the role of growth regulators in plants.

 

4.         Write short notes on any five of the following :

(a)        Seed testing

(b)        National seed corporation(NSC)

(c)        Cytoplasmic inheritance.

(d)       Induced mutation.

(e)        Methods of plant breeding,

(f)        Osmoses

(g)        Vernalization.

 

Section B

5.         Answer any three out of the following about 200 words each:

(a)        Discuss the marketing problems in fruits and vegetables.

(b)        Describe different rusts of wheat.

(c)        Discuss the role of fruits and vegetables in human nutrition.

(d)       Give an account of the storage pests of cereals.

6.(a)    

   (b)     Discuss important processing techniques of fruits.

   (c)     Discuss integrated manageable of diseases of vegetables.

 

7.         Answer the following above 200 words each.

(a)        Give an account of the principles of plant diseases control.

(b)        Discuss the

(c)

 

8.         Write short notes of any five of the following:

(a)        Floriculture

(b)        Climatic requirement of apple.

(c)        Green revolution

(d)       Mango cultivation

(e)        Biological control of pests.

(f)        Hygiene of storage godown

(g)        Diseases of tomato.

(h)        Eco Friendly farming.

 

Agriculture Paper A

Section A

1.(a)     Write in detail about the importance of high yielding and short duration rice varieties and its impact on modern agriculture.

  (b)      Write in detail the process of biological fixation of nitrogen by legumes.

  (c)      Write the ways and means of reducing run off losses of irrigation water.20x3

 

2.         Write brief critical notes in about 200 words each on any four of the following.

(a)        Farm planning and budgeting

(b)        Soil erosion control measures

(c)        Cultural methods of weed control

(e)        Sylispastoral and Agrisylispastoral system

(f)        Methods of evaluation of extension programmes       15x4

 

3.         Distinguish between the following:                12x5

(a)        Cropping pattern and cropping system

(b)        Regulated markets and unregulated markets

(c)        Soil acidity and soil sodicity

(d)       Monopoly and Oligopoly

(e)        Management of water logged soil and well drained soil

 

4.         Write in detail about the agro climatic zones of India along with the distribution of crops.                         60

 

Section B

5.         Define a watershed? Write in detail the role of watershed management in dry land agriculture.                 60

 

6.         Write in brief critical notes of about 200 words each on any four of the following:                         15x4

(a)        Soil conservation techniques

(b)        Types and system of farming

(c)        Essential plant nutrients

(d)       Role of cooperatives in agricultural economy

(e)        Wind erosion

(f)        Rain fed agriculture.

 

7.         What is farm management? Write in detail the scope importance and characteristics of farm management.                        60

 

8.         Write short notes on any five of the following:                      12x5

 

(a)        Soil organic matter.

(b)        Environmental pollution

(c)        Forest conservation

(e)        Phosphorus fixation

(f)        Water use efficiency

(g)        Front line demonstration

(h)        Mulching

 

Paper II

Section A

1.(a)     What is sex linked inheritance? In Drosophila, gene for white eye colour is recessive to the gene responsible for red eye colour and these genes are present on sex chromosomes. What will be the phenotypes and their proportion in respect of following crosses?

(i)         Homozygous red eye female x white eye male,

(ii)        White eye female x red eye male,                   5,15

  (b)      What is epistatic interacton? Explain three types of epistatic variations, which produce two phenotypic group.              6,24

 

2.(b)     Write short notes on any three of the following         30

(i)         Seed certification standards,

(ii)        Factors limiting genetic improvement of crop plants,

(iii)       Seed Legislation

(iv)       Mechanisms promoting physiological efficiency in crop plants,

(v)        Origin and domestication of wheat or rice or maize crop

(vi)       Use of aneuploids in crops improvement.

 

(b)        Discuss the role of public sector, private sector and unorganised sector in seed business.                            20

 

3.(a)     Differentiate between any three of the following:                 30

(i)         Inbreeding depression and hybrid vigour,

(ii)        Backcrossing and pedigree method of selection,

(iii)       Macromutation and micromutation

(iv)       Transition and transversion

(v)        Incomplete dominance and co dominance,

(vi)       Autopolyploids and allopolypoids.

 

(b)        Explain cytoplasmic, gemetic and cytroplasmic genetic male sterility systems and their use in development of hybrid varieties,          15,5

 

Section B

4.(a)     Horticulture is the best option of diversification. Explain in detail    20

 

(b)        Write on current status of floriculture in India,          10

(c)        Outline the steps involved in the synthesis of sucrose and starch from Glucose 6 phosphate generated during photosynthesis in plants.         20

 

5.         Write short notes on any five of the following:          50

(i)         Export trade of fruits and vegetables,

(ii)        Maturity indices of fruits and vegetables,

(iii)       Protected cultivation of flowers,

(iv)       Fertilization in fruit crops,

(v)        Canopy management in fruit crops,

(vi)       Role of growth hormone in horticulture,

(vii)      Hybrid seed production in vegetables.

6.(a)     What is grafting? Differentiate between any four of the following methods:

(i)         Cleft grafting,

(ii)        Hypocotyl grafting,

(iii)       SSuckle grafting

(iv)       Tip grafting,

(v)        Veneer grafting

(vi)       Whip grafting,

(b)        Describe the process to reduce the post harvest losses of fruits and vegetables.20

(c)        Differentiate between growth hormone and growth regulator. Give bioassay for any two plant hormones,                        5,10

Section C

7.(a)     Explain important diseases and pests of apple.     10,10

(b)        What is integrated pest and disease management? Describe in detail the practices for three important horticultural crop.        5,15

(c)        Describe the steps for management of viral diseases in fruits.           10

 

8.(a)     Describe symptoms, causal organism, disease cycle and management practices of any three of the following diseases,                      30

(i)         Late blight of potato

(ii)        Phomopsis blight of brinjal,

(iii)       Mango malformation,

(iv)       Damping off vegetables,

(v)        Fire blight of apple,

(vi)       Apple scab,

(b)        What are important storage pests of food crops?       20

9(a)      Immediate steps required to conserve biodiversity to sustain good production.20

(b)        How to reduce the malnutrition occurring across the country? 15

(c)        Write on use of information communication technology (ICT) for improving food production.                  15           

 

Agriculture Paper I

Section A

1.(a)     Discuss the ecological factors that influence the distribution of plants.20x3

(b)        Define productivity of crops state critically how different features of crop plants are involved in determination crop productivity.

(c)        Discuss any two biological processes responsible for transformation of nitrogen in soil.      15x4

2.         Write brief critical notes in about 200 words each on any four of the following:

(a)        Trophic level and ecological niche in ecosystem

(b)        Pesticides as pollutants of agricultural fields.

(c)        Prospect of hybrid rice in India.

(d)       N2 Cycle in Ecosystem.

(e)        Silvopastoral and Agrisilvo pastoral system.

(f)        Integrated weed management.

 

3.         Distinguish between the following:

(a)        Monsoon pre determinate and Inter determinate plant.

(b)        Cropping pattern and cropping system.

(c)        Farm forestry agriculture.

(d)       Weedcides and  Herbicides.               12x5

4.         Write in data about the agro climatic zone of India along with distribution of crops. Delineate the zones neatly on a map of India .

 Section B

5.         Define Watershed? Discuss the role of watershed management in dry land agriculture.                  60

6.         Write brief critical notes in about 200 words each on any four of the following:

(a)        Sheet erosion

(b)        Soil plant water continuum.

(c)        Book keeping;

(d)       Combined Harvester;

(e)        Regulated Markets.

(f)        T & V Programme.                  15x4

 

7.         Discuss in detail the management techniques for stabilising crop under rainfed cropping system.                           60

 

 

 

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thanks sir

(jagdeep kotwal(skuast-k), 2011-02-28 17:14)

these agri papers r vry helpful