Previous year JRF,NET,SRF Agronomy Papers

1.            JRF and SRF
2. Memory based questions
3. 
   

4. Question

   1 points

   First cultivated crops in the world are

   •  Wheat, Rice
   •  Wheat, maiz
   •  Wheat, Barely
   •  Wheat, Sorghum

5. 2. Question

   1 points
   Nitrification bacteria was isolated by

   •  A. Warrington
   •  B. Winogradsky
   •  C. Beijerinck
   •  D. None of these

6. 3. Question

   1 points
   State Seed Farm Corporation was launched during

   •  A. 1969
   •  B. 1979
   •  C. 1989
   •  D. 1999

7. 4. Question

   1 points
   Solid portion of the earth is called

   •  A. Lithosphere
   •  B. Hydrosphere
   •  C. Atmosphere
   •  D. Thermosphere

8. 5. Question

   1 points
   The word ‘Meteorology’ is derived from

   •  A. Greek
   •  B. Latin
   •  C. English
   •  D. Hindi

9. 6. Question

   1 points
   Principles of mercury barometer was discovered by

   •  A. Torricelli
   •  B. Aristotle
   •  C. Pliny
   •  D. Galileo

10. 7. Question

    1 points
    Ozonosphere is a synonym of

    •  A. Troposphere
    •  B. Mesosphere
    •  C. Thermosphere
    •  D. Stratosphere

11. 8. Question

    1 points
    Radio communication is made possible through

    •  A. Troposphere
    •  B. Mesosphere
    •  C. Stratosphere
    •  D. Ionosphere

12. 9. Question

    1 points
    What is the average value of solar constant?

    •  A. 1.94 J/cm²/min
    •  B. 1.94 cal/cm²/min
    •  C. 2.94 J/cm²/min
    •  D. 2.94 cal/cm²/min

13. 10. Question

    1 points
    Type of radiation which is useful in remote sensing is

    •  A. Diffused radiation
    •  B. Direct radiation
    •  C. Reflected radiation
    •  D. None of these

    • 11. Question

      1 points
      Radiation balance between global and reflected solar radiation is

      •  A. Direct radiation
      •  B. Albedo
      •  C. Net radiation
      •  D. Diffused radiation

    • 12. Question

      1 points
      Shortest day in northern hemisphere

      •  A. March 21
      •  B. June 21
      •  C. September 23
      •  D. December 21

    • 13. Question

      1 points
      Visible radiation is the range of (micron)

      •  A. 300 to 700
      •  B. 390 to 700
      •  C. 390 to 760
      •  D. 390 to 860

    • 14. Question

      1 points
      Absolute zero is

      •  A. 273°C
      •  B. 237°F
      •  C. -273°C
      •  D. 273K

    • 15. Question

      1 points
      Liquid used in maximum and minimum thermometer, respectively are

      •  A. Alcohol and mercury
      •  B. Mercury and alcohol
      •  C. Mercury and lead
      •  D. Alcohol and lead

    • 16. Question

      1 points
      Which among the following is having the least albedo?

      •  A. Dry black soil
      •  B. Moist black soil
      •  C. Grey soil
      •  D. Moist ploughed field

    • 17. Question

      1 points
      Which among the plants have the highest Water Use Efficiency?

      •  A. CAM
      •  B. C3
      •  C. C4
      •  D. None of these

    • 18. Question

      1 points
      Stage which is highly sensitive to high temperature is

      •  A. Flowering
      •  B. Vegetative
      •  C. Seedling
      •  D. Maturity

    • 19. Question

      1 points
      Agro-climatic zones are formed in India during

      •  A. V Five Year Plan
      •  B. VI Five Year Plan
      •  C. VII Five Year Plan
      •  D. VIII Five Year Plan

    • 20. Question

      1 points
      Heat transfer in soil is mainly due to

      •  A. Conduction
      •  B. Convection
      •  C. Radiation
      •  D. None of these

      • . Question

        1 points
        At what depth below the soil, temperature variation is nil?

        •  A. 30 cm
        •  B. 60 cm
        •  C. 80 cm
        •  D. 10 cm

      • 22. Question

        1 points
        Primary product of carbon fixation in C4 plants is 4 carbon compounds in the form of

        •  A. Malic acid
        •  B. Aspartic acid
        •  C. Both a and b
        •  D. None of these

      • 23. Question

        1 points
        Which type of plants is having lower Water Use Efficiency

        •  A. C3
        •  B. C4
        •  C. CAM
        •  D. All of these

      • 24. Question

        1 points
        Inflorescence elongation is due to the presence of __________ enzyme?

        •  A. Auxin
        •  B. Gibberellin
        •  C. Cytokinin
        •  D. None of these

      • 25. Question

        1 points
        The term ‘Harvest index’ was developed by

        •  A. Blackman
        •  B. Gregory
        •  C. Donald
        •  D. Watson

      • 26. Question

        1 points
        Which is the basic property of soil?

        •  A. Porosity
        •  B. Texture
        •  C. Structure
        •  D. Water holding capacity

      • 27. Question

        1 points
        Humus in soil sample is removed by _________ chemical in mechanical analysis

        •  A. KMnO4
        •  B. Hydrogen peroxide
        •  C. Perchloric acid
        •  D. HCI

      • 28. Question

        1 points
        Which of the nutrient concentration increases with the increase in soil moisture (i.e. under flooding)?

        •  A. P
        •  B. Fe
        •  C. Mn
        •  D. All of these

      • 29. Question

        1 points
        Under anaerobic soil condition, the toxic acid produced is

        •  A. Lactic acid
        •  B. Butyric acid
        •  C. Citric acid
        •  D. All of these

      • 30. Question

        1 points
        Structure which has more porosity is

        •  A. Granular
        •  B. Crumby
        •  C. Both a and b
        •  D. Platy

        • Question

          1 points
          Herbicide suitable under wet seeded rice is

          •  A. Butachlor (1.5 kg a.i./ha¯¹)
          •  B. Anilophos (0.6 kg a.i./ha¯¹)
          •  C. Pretilachlor (0.4 kg a.i./ha¯¹)
          •  D. All of these

        • 42. Question

          1 points
          Growth regulator used in hybrid rice seed production programme is

          •  A. NAA
          •  B. GA3
          •  C. ABA
          •  D. CCC

        • 43. Question

          1 points
          Most prominent crop used under mixed cropping of wheat is

          •  A. Mustard
          •  B. Chickpea
          •  C. Linseed
          •  D. Soybean

        • 44. Question

          1 points
          Which part of India produce best quality wheat?

          •  A. North India
          •  B. Peninsular India
          •  C. Maharashtra, Gujarat, Madhya Pradesh
          •  D. Both b and c

        • 45. Question

          1 points
          Critical stage for water in maize crop

          •  A. Tasseling
          •  B. Silking
          •  C. Both a and b
          •  D. Knee high stage

        • 46. Question

          1 points
          Which type of maize is early maturing one?

          •  A. Dent corn
          •  B. Flint corn
          •  C. Pop corn
          •  D. Flour corn

        • 47. Question

          1 points
          Hybrid maize was first developed in the world during 1910 by

          •  A. E.M. East
          •  B. G.H. Shull
          •  C. Both a and b
          •  D. D.F. Jones

        • 48. Question

          1 points
          Spraying of which of the following, conserve moisture in chickpea?

          •  A. Urea
          •  B. KCl
          •  C. FeSO4
          •  D. All of these

        • 49. Question

          1 points
          Gram variety suitable to sow under rainfed condition is

          •  A. Vishal
          •  B. Anubhav
          •  C. Both a and b
          •  D. Radhey

        • 50. Question

          1 points
          Suitable herbicide for pigeon pea field is

          •  A. Alachlor
          •  B. Fluchloralin
          •  C. Both a and b
          •  D. Atrazine

          • Question

            1 points
            pH range of acid rain is

            •  a. 2.0-4.5
            •  b. 4.5-6.0
            •  c. 6.0-7.5
            •  d. 7.5-9.0

          • 92. Question

            1 points
            Which is the secondary nutrient for plant growth?

            •  a. Ca
            •  b. Mg
            •  c. S
            •  d. All of these

          • 93. Question

            1 points
            Optimum C:N:P ratio for better crop production is

            •  a. 100: 10: 1.0
            •  b. 130: 10: 1.3
            •  c. 130: 1.0: 1.0
            •  d. 100: 10: 10

          • 94. Question

            1 points
            Which is called deficit irrigation of scheduling irrigation

            •  a. Moisture stress at all stages
            •  b. Moisture stress at critical stages
            •  c. Moisture stress at non sensitive stages
            •  d. All of these

          • 95. Question

            1 points
            Production is maximum for most of the crops when the depletion of available soil moisture at the root zone is ______ %

            •  a. 25
            •  b. 50
            •  c. 75
            •  d. 80

          • 96. Question

            1 points
            Sprinkler irrigation cannot be used under

            •  a. Rice and jute crops
            •  b. High wind areas
            •  c. Salt water
            •  d. All of these

          • 97. Question

            1 points
            Most erodable sized particles due to wind is

            •  a. <0.1 mm
            •  b. <0.2 mm
            •  c. <0.01 mm
            •  d. <0.05

          • 98. Question

            1 points
            Estimated loss of top soil in India is

            •  a. 1000 mt
            •  b. 2500 mt
            •  c. 5000 mt
            •  d. 1000 mt

          • 99. Question

            1 points
            Herbicide (at sub-lethal dose) improved the colour of apple is

            •  a. 2,4-D
            •  b. 2,45-T
            •  c. MCPA
            •  d. All of these

          • 100. Question

            1 points
            In India, Striga is more problematic in

            •  a. Sorghum
            •  b. Pearl millet
            •  c. Both a and b
            •  d. None of these

            1. 101. Question

               1 points
               Trap crops for Orabanche are

               •  a. Pepper
               •  b. Sesame
               •  c. Sunnhemp
               •  d. All of these

            2. 102. Question

               1 points
               Cropping intensity in India is

               •  a. 100%
               •  b. 90%
               •  c. 127%
               •  d. 180%

            3. 103. Question

               1 points
               Land equivalent ratio is >1.0 indicates

               •  a. Yield advantage
               •  b. No yield advantage or loss
               •  c. Yield loss
               •  d. All of these

            4. 104. Question

               1 points
               Ideal character of tree species for alley cropping is

               •  a. Fix nitrogen
               •  b. Tolerant under abnormal conditions
               •  c. Deep Rooted
               •  d. All of these

            5. 105. Question

               1 points
               System provides highest profitable and produce diverse vegetation is

               •  a. Agri - silvipasture
               •  b. Agri- horti -silviculture
               •  c. Agri- horti system
               •  d. Silvipasture

            6. 106. Question

               1 points
               Which type of alley cropping is recommended for semi – arid region for green fodder purpose?

               •  a. Forage alley cropping
               •  b. Green manure cum mulch alley cropping
               •  c. Forage cum mulch alley cropping
               •  d. Forage cum green manure alley cropping

            7. 107. Question

               1 points
               Factorial experiments involving two factors and both requires lager plots, the design followed is

               •  a. RBD
               •  B. Split plot
               •  c. Strip plot
               •  d. FRBD

            8. 108. Question

               1 points
               Which of the following is major source of irrigation, contributes >50% of cultivable area?

               •  a. Tank
               •  b. Canals
               •  c. Wells
               •  d. None of these

            9. 109. Question

               1 points
               Equivalent acidity of urea is

               •  a. 128
               •  b. 110
               •  c. 86
               •  d. 80

            10. 110. Question

                1 points
                Centres of origin was first given by

                •  a. Liebig
                •  b. Vavilov
                •  c. Lawes
                •  d. Gilbert

                • 111. Question

                  1 points
                  Indian Grassland and Fodder Research Institute is situated at

                  •  a. Kerala
                  •  b. Jhansi
                  •  c. Karnel
                  •  d. Hyderabad

                • 112. Question

                  1 points
                  Hormone which related to drought tolerance is

                  •  a. Auxin
                  •  b. Gibberelin
                  •  c. Cytokinin
                  •  d. Abscisic acid

                • 113. Question

                  1 points
                  A line of equal wind speed is called

                  •  a. Isohyet
                  •  b. Isotach
                  •  c. Isobath
                  •  d. Isobar

                • 114. Question

                  1 points
                  Which among the following parameter is more important in weather forecasting?

                  •  a. Rainfall
                  •  b. Wind
                  •  c. Temperature
                  •  d. Atmospheric pressure

                • 115. Question

                  1 points
                  Major organic acid produced during decomposition of organic matter is

                  •  a. Fulvic acid
                  •  b. Humic acid
                  •  c. Polysaccharides
                  •  d. None of these

                • 116. Question

                  1 points
                  Physical condition of soil resulted due to tillage is called

                  •  a. Texture
                  •  b. Structure
                  •  c. Tilth
                  •  d. None of these

                • 117. Question

                  1 points
                  End of seedling stage, fresh roots develop at lower node of stem are called as

                  •  a. Seminal roots
                  •  b. Nodal/adventitious roots
                  •  c. Both a and b
                  •  d. None of these

                • 118. Question

                  1 points
                  Sorghum variety has lower HCN content is

                  •  a. IS 208
                  •  b. IS 28450
                  •  c. IS 288692
                  •  d. All of these

                • 119. Question

                  1 points
                  DPAP STARTED DURING

                  •  a. 1972-73
                  •  b. 1985-86
                  •  c. 1976-77
                  •  d. 1977-78

                • 120. Question

                  1 points
                  Which of the operation is specially followed in chick pea?

                  •  a. Nipping
                  •  b. De-suckering
                  •  c. Propping
                  •  d. Chipping
                  • Which of the following is bunchy type of groundnut variety?

                    •  a. Jyoti
                    •  b. Moongphali Haryana 1
                    •  c. Kopergaon No. 3
                    •  d. All of these

                  • 122. Question

                    1 points
                    Seed rate requirement of safflower is

                    •  a. 5-10kg/ ha
                    •  b. 10-15 kg/ha
                    •  c. 15-20 kg/ha
                    •  d. 20-30 kg/ha

                  • 123. Question

                    1 points
                    Which of the following is used as sugarcane ripeners?

                    •  a. Cycocel
                    •  b. Polaris
                    •  c. Both a and b
                    •  d. None of these

                  • 124. Question

                    1 points
                    Planting material for sisal is

                    •  a. Bulbils
                    •  b. Suckers
                    •  c. Both a and b
                    •  d. Seeds

                  • 125. Question

                    1 points
                    All India coordinated project or long term fertilizer experiments (LTFE) was started in

                    •  a. 1970
                    •  b. 1975
                    •  c. 1980
                    •  d. 1985

                  • 126. Question

                    1 points
                    Ammonium chloride is not recommended for

                    •  a. Potato
                    •  b. Tomato
                    •  c. Tobacco
                    •  d. All of these

                  • 127. Question

                    1 points
                    Major storage loss of farm pond is

                    •  a. Seepage
                    •  b. Percolation
                    •  c. Evaporaton
                    •  d. all of these

                  • 128. Question

                    1 points
                    Which among the following weeds used as valuable fence?

                    •  a. Bermunda grass
                    •  b. Foxtail
                    •  c. Quack grass
                    •  d. Prickly pear

                  • 129. Question

                    1 points
                    Relationship between intensity of rainfall and soil loss is

                    •  a. Linear
                    •  b. Curve linear
                    •  c. Exponetial
                    •  d. None of these

                  • 130. Question

                    1 points
                    Inter-cropping will increase the light interception of _____ %

                    •  a. 10-20
                    •  b. 20-30
                    •  c. 30-40
                    •  d. >50

                    • 131. Question

                      1 points
                      The system of composting is­

                      •  a. Activated compost process
                      •  b. Indoor method
                      •  c. Bangalore method
                      •  d. All of these

                    • 132. Question

                      1 points
                      Which of the following is suitable method for application of FYM?

                      •  a. Foliar
                      •  b. To Mix with seeds
                      •  c. To spread uniformly on the surface of soil
                      •  d. None of these

                    • 133. Question

                      1 points
                      In ____ erosion resistance crops and erosion permitting crops are grown in alternate strips

                      •  a, Intercropping
                      •  b. Mulching
                      •  c. Strip cropping
                      •  d. All of these

                    • 134. Question

                      1 points
                      Which of the following is anti­transpirant?

                      •  a. Phenyl mercuric acetate
                      •  b. Alkanyl succinic acid
                      •  c. Both Phenyl mercuric acetate and Alkanyl succinic
                      •  d. None of these

                    • 135. Question

                      1 points
                      Tuberization in potato can be achieved by

                      •  a. Ethylene
                      •  b. ABA
                      •  c. IBA
                      •  d. NAA

                    • 136. Question

                      1 points
                      NPK Composition of standard fertilizer mixture for potato and Paddy is­

                      •  a. 4,4,4
                      •  b. 6,24,6
                      •  c. 6,12,6
                      •  d. None of these

                    • 137. Question

                      1 points
                      Which of the followings weed is indicator of poor light soil

                      •  a. E. Colonum
                      •  b. Cymbopogon
                      •  c. Both the above
                      •  d. None of these

                    • 138. Question

                      1 points
                      Which of the following is long period residual?

                      •  a. Anilofos
                      •  b. Atrazine
                      •  c. 2,4­D sodium salt
                      •  d. All of these

                    • 139. Question

                      1 points
                      “Paraquat spray” can be inactivated by spraying­

                      •  a. 1% ferric chloride
                      •  b. 1% CaCl2
                      •  c. 1% NaCl
                      •  d. All of these

                    • 140. Question

                      1 points
                      Water content of apical portion of roots and shoots is­

                      •  a. 50%
                      •  b. >90%
                      •  c. <70%
                      •  d. <20%

                      • 141. Question

                        1 points
                        For which of the following,very high relative humidity is harmful?

                        •  a. Sunflower
                        •  b. Tobacco
                        •  c. Maize
                        •  d. Sunflower and Tobacco both

                      • 142. Question

                        1 points
                        Which of the following is not a Heliophyte?

                        •  a. Maize
                        •  b. Sorghum
                        •  c. Rice
                        •  d. Turmeric

                      • 143. Question

                        1 points
                        Which is the frost tolerant crop?

                        •  a. Sugar beet
                        •  b. Bajra
                        •  c. Chickpea
                        •  d. All of these

                      • 144. Question

                        1 points
                        Which of the following is perennial weed?

                        •  a. Goat weed
                        •  b. Pig weed
                        •  Black Jack
                        •  Field bindweed

                      • 145. Question

                        1 points
                        Boll shedding in cotton is due to

                        •  a. Plant is over loaded with bolls
                        •  b. Inhibitory effect of ABA (Abscisic acid)
                        •  c. Heavy dressing of urea
                        •  d. Frequent irrigation

                      • 146. Question

                        1 points
                        Reclamation disease due to copper dificiency occurs in plants grown on newly reclaimed acid soil

                        •  a. Histosols
                        •  b. Alfisols
                        •  c. Aridosols
                        •  d. Ultisols

                      • 147. Question

                        1 points
                        Trap crops refer to

                        •  a. Crops grown around the main crop, which is more susceptible to insect pest and diseases than the main crop
                        •  b. Crops which are resistant to pest and diseases
                        •  c. Crops efficient in trapping solar radiation
                        •  d. Crops efficient in trapping rainfall

                      • 148. Question

                        1 points
                        A cloud type that occurs in low height in the atmosphere is:

                        •  a. Stratus
                        •  b. Cumulus
                        •  c. Nimbus
                        •  d. Cumulo-nimbus

                      • 149. Question

                        1 points
                        A short duration crop in between two main crops is termed as:

                        •  a. Cash crop
                        •  b. Catch crop
                        •  c. Companion crop
                        •  d. Ephemeral

                      • 150. Question

                        1 points
                        Adsali crop of sugarcane takes a period of maturity of:

                        •  a. 8 months
                        •  b. 12 months
                        •  c. 18 months
                        •  d. 24 months

                        • 151. Question

                          1 points
                          Match the instrument

                          1	Wind velocity	A	Wind vane
                          2	Wind direction	B	Psychrometer/Hygrometer
                          3	RH	C	Assmann’s psychrometer
                          4	RH in plant canopy	D	Anemometer
                          5	RH continuously	E	Hygrograph

                          •  a. 1(d), 2(a), 3(b), 4(c), 5(e)
                          •  b. 1(a), 2(b), 3(c), 4(d), 5(e)
                          •  c. 1(e), 2(c), 3(d), 4(a), 5(b)
                          •  d. 1(d), 2(e), 3(c), 4(b), 5(a)

                        • 152. Question

                          1 points
                          Match the maize classification with its typical characters of kernel

                          1	Flint corn	A	Soft and starchy endosperm, kernel is yellow and rounded
                          2	Dent corn	B	Hard and starchy endosperm
                          3	Pop corn	C	Kernel enclosed by pod/husk
                          4	Sweet corn	D	Sugary tasty and shriveled when dry
                          5	Pod corn	E	Exceptional popping quality, small grains

                          •  a. 1(d), 2(a), 3(b), 4(c), 5(e)
                          •  b. 1(a), 2(b), 3(c), 4(d), 5(e)
                          •  c. 1(e), 2(c), 3(d), 4(a), 5(b)
                          •  d. 1(a), 2(b), 3(e), 4(d), 5(c)

                        • 153. Question

                          1 points
                          Match the crops with their moisture sensitive period

                          1	Groundnut	A	Flower bud initiation
                          2	Sunflower	B	Tillering
                          3	Cotton	C	Flowering to boll development
                          4	Sugarcane	D	Fruiting
                          5	Tomato	E	Peg penetration

                          •  a. 1(a), 2(b), 3(e), 4(d), 5(c)
                          •  b. 1(e), 2(b), 3(a), 4(d), 5(c)
                          •  c. 1(e), 2(a), 3(c), 4(b), 5(d)
                          •  d. 1(e), 2(c), 3(a), 4(d), 5(b)

                        • 154. Question

                          1 points
                          Match the crops with their requirement levels

                          1	Rice	A	400 mm
                          2	Wheat	B	300 mm
                          3	Groundnut	C	1200 mm
                          4	Banana	D	2000 mm
                          5	Pulses	E	600 mm

                          •  a. 1(c), 2(b), 3(e), 4(d), 5(a)
                          •  b. 1(c), 2(a), 3(e), 4(b), 5(d)
                          •  c. 1(c), 2(a), 3(e), 4(d), 5(b)
                          •  d. 1(e), 2(a), 3(c), 4(b), 5(d)

                        • 155. Question

                          1 points
                          Match the irrigation method with its suitability crops

                          1	Check irrigation	A	Maize, Sorghum
                          2	Border strip irrigation	B	Cotton, Vegetables
                          3	Furrow irrigation	C	Groundnut, pulses, finger millet
                          4	Surge irrigation	D	Closely growing crops
                          5	Corrugation	E	Wheat

                          •  a. 1(c), 2(d), 3(b), 4(a), 5(e)
                          •  b. 1(c), 2(e), 3(b), 4(a), 5(d)
                          •  c. 1(d), 2(e), 3(b), 4(a), 5(c)
                          •  d. 1(d), 2(a), 3(e), 4(c), 5(b)

                        • 156. Question

                          1 points
                          Match the terms with their appropriate explanation

                          1	Parasitic weed	A	Weed that depends for its growth on its host plant
                          2	Obligate weed	B	Cropped land weed incapable of surviving in a wild community
                          3	Objectionable weed	C	Problem weed, whose seed once mixed with crop seed is extremely difficult to separate
                          4	Noxious weed	D	Undesirable troublesome weed difficult to separate
                          5	Satellite weed	E	Weed that has integral part of at crop ecosystem

                          •  a. 1(a), 2(b), 3(c), 4(d), 5(e)
                          •  b. 1(c), 2(d), 3(b), 4(a), 5(e)
                          •  c. 1(a), 2(b), 3(d), 4(c), 5(e)
                          •  d. 1(a), 2(c), 3(d), 4(b), 5(e)

                        • 157. Question

                          1 points
                          Match the different agronomic measures of soil water conservation techniques with their appropriate phrases

                          1	Contour faming	A	Bunding across slope and operations carried out parallel to bunds
                          2	Field strip cropping	B	Tall growing crops alternated with low growing crops
                          3	Wind strip cropping	C	Strips with perennial legumes in steep sloppy bunds
                          4	Permanent strip cropping	D	Dense vegetation across the slope and as live bunds
                          5	Vegetative barriers	E	Field crops are planted more or less suitable strips

                          
                          

                          •  a. 1(a), 2(b), 3(c), 4(d), 5(e)
                          •  b. 1(a), 2(e), 3(b), 4(c), 5(d)
                          •  c. 1(a), 2(b), 3(e), 4(c), 5(d)
                          •  d. 1(a), 2(e), 3(c), 4(b), 5(d)

                        • 158. Question

                          1 points
                          Match the classes with their characteristics under Land use capability classification

                          1	Class I	A	Soils with some limitations (deep red/black soils)
                          2	Class II	B	Severely affected by problem soils
                          3	Class III	C	Good for all crops production
                          4	Class IV	D	Arid and rocky soils and Agro forestry
                          5	Class V	E	Severe limitations

                          •  a. 1(a), 2(e), 3(b), 4(c), 5(d)
                          •  b. 1(c), 2(a), 3(e), 4(b), 5(d)
                          •  c. 1(c), 2(a), 3(e), 4(d), 5(b)
                          •  d. 1(a), 2(c), 3(e), 4(d), 5(b)

                        • 159. Question

                          1 points
                          Match the elements with its role

                          1	Boron	A	Nitrate reductase activity
                          2	Molybdenum	B	Nucleic acid
                          3	Phosphorus	C	Pollen formation
                          4	Nitrogen	D	Co-enzyme activity
                          5	Potassium	E	Protein formation

                          •  a. 1(c), 2(a), 3(b), 4(e), 5(d)
                          •  b. 1(c), 2(a), 3(e), 4(b), 5(d)
                          •  c. 1(a), 2(c), 3(e), 4(b), 5(d)
                          •  d. 1(a), 2(c), 3(e), 4(d), 5(b)

                        • 160. Question

                          1 points
                          Match the elements with their deficiency symptoms

                          1	Nitrogen	A	Interveinal chlorosis
                          2	Iron	B	Both principle and sub veins are green
                          3	Manganese	C	Yellowing in lower leaves
                          4	Sulphur	D	Yellowing in upper leaves
                          5	Copper	E	Yellowing in upper leaves and turn white

                          •  a. 1(a), 2(c), 3(e), 4(b), 5(d)
                          •  b. 1(c), 2(a), 3(b), 4(e), 5(d)
                          •  c. 1(a), 2(c), 3(b), 4(a), 5(c)
                          •  d. 1(c), 2(a), 3(b), 4(d), 5(e)

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