Competitive Exams: Agriculture MCQs (Practice-Test 16 of 56)

  1. Which one of the following statements does not hold good with relay cropping?

    1. The crop selected for relay cropping should be relatively fast growing

    2. The relay crop must be sown when main crop has almost completed the vegetative growth

    3. Sowing of relay crop should not distur the main crop

    4. Management practices like irrigation and plant production, etc. Required for relay crop should not be harmful to main crop

  2. Photosynthesis and translocation of sugars in sugarcane ar governed by

    1. Calcium

    2. Sodium

    3. Nitrogen

    4. Potassium

  3. Among the following cereals, the most sensitive to both excess water and moistur stress is

    1. Sorghum

    2. Wheat

    3. Barley

    4. Maize

  4. Which one of the following operations is associated with the process of nipping in?

    1. Treating the seed with rhizobium culture

    2. Tying the branches to avoid lodging

    3. Picking green leaves for vegetable purposes

    4. Plucking the apical buds to promote lateral branches

  5. Which one of the following is the best example of ‘catch crop’

    1. Linseed

    2. Mustard

    3. Toria

    4. Groundnut

  6. Which one of the following is relay cropping system?

    1. Maize-ustar-ear millet + cowpea (fodder)

    2. Maize-otato-heat-reen gram

    3. Black gram-heat-reen gram

    4. Pear millet-ustar-reen gram

  7. Temporal complementarily in intercropping results from

    1. The growth patterns of the component crops differing in time

    2. The growth patterns of the component crops differing in height

    3. Differences in yield

    4. Differences in cost of cultivation

  8. In dwar wheat, sowing depth is related to

    1. Length of radicle

    2. Length of coleoptile

    3. Temperature

    4. Humidity

  9. In BPH endemic area, rice seedlings should be transplanted

    1. Close

    2. Wide

    3. random

    4. Skip-w

  10. The cohesiveness and tenderness of cooked rice depend largely on

    1. The percentage of amylase

    2. The percentage of amyl pectin

    3. The proportion of amylase and protein

    4. The proportion of amylase and amyl pectin

  11. Match List I with List II and select the correct answer:

    List-I (Herbicide Group) List-II (Common Name)
    1. Phenoxy acids

    2. Phenol

    3. Urea

    4. Ace amide

    1. Isoproturon

    2. dinsoseb

    3. 2, 4, 5 − T

    4. Butachlor

    • A
    • B
    • C
    • D
      • 3
      • 2
      • 1
      • 4
      • 4
      • 1
      • 2
      • 3
      • 3
      • 1
      • 4
      • 2
      • 4
      • 2
      • 1
      • 3
  12. Consider the following statements: The possible limitations in the effective usage of azolla are

    1. Less availability of water

    2. Low survival rate during summer

    3. High p requirement for their growth

    4. Problem of transportation

    Which of these statements is/are correct?

    1. 1, 2 and 3

    2. 2 and 3

    3. 4 only

    4. 1, 2, 3 and 4

  13. Match List I with List II and select the correct answer:

    List-I (Crop) List-II (Place of Origin)
    1. Sorghum

    2. Maize

    3. Potato

    4. Soybean

    1. China south

    2. America

    3. Tropical America

    4. Africa

    • A
    • B
    • C
    • D
      • 4
      • 3
      • 1
      • 2
      • 3
      • 4
      • 1
      • 2
      • 4
      • 3
      • 2
      • 1
      • 3
      • 4
      • 2
      • 1
  14. Which one of the following pair is not correctly matched? Crop: Sowing Time

      • Cotton (Southern India)
      • August-September
      • Sugarcane (Adsali crop)
      • July-August
      • Lentil (Northern India)
      • July-August
      • Soybean (North India)
      • June-July
  15. Match List I with List II and select the correct answer:

    List-I (Crops) List-II (Seed rates)
    1. Sesame

    2. Castor

    3. Soybean

    4. Hybrid maize

    1. 3 to 4 kg/ha

    2. 12 to 15 kg/ha

    3. 75 to 80 kg/ha

    4. 18 to 20 kg/ha

    • A
    • B
    • C
    • D
      • 1
      • 2
      • 3
      • 4
      • 2
      • 1
      • 4
      • 3
      • 1
      • 2
      • 4
      • 3
      • 2
      • 1
      • 3
      • 4
  16. The concept of Q/I relationship was developed by

    1. Mitscherlich

    2. Beckett

    3. Schofield

    4. Martin

  17. Among the following, the sequence of textural classes of soil with increasing order of fineness of textur is

    1. CL, L, LS, SL, SCL

    2. L, CL. SCL. SL. I. S

    3. SL, SCL, LS, L, CL

    4. LS, SL. L. SCL. CL

  18. Among the following, the correct sequence of biotic biopolymer degradation pathway is

    1. recalcitrant biopolymer-Humin-Humic acid-Fulvic acid

    2. Fulvic acid-Humic acid-recalcitrant biopolymer-Hurnin

    3. Humin-Humic acid-Fulvic acid-recalcitrant biopolymers

    4. Humic acid-Fulvic acid-recalcitrant biopolymer-Humin

  19. Consider the following chemical elements:

    1. Calcium

    2. Chromium

    3. rubidium

    4. Molybdenum

    The beneficial elements among these are

    1. 1 and 2

    2. 2 and 3

    3. 3 and 4

    4. 1 and 4

  20. If the contents of exchangeable ions (c mol kg-) determined in soil ar Na + = 5; K + = 5; Ca2 + = 10; Mg2 + = 2; exchange capacity of soil is

    1. 12 c mol (p + ) kg-1

    2. 22 c mol (p + ) kg_1

    3. 24 c mol (p + ) kg-1

    4. 26 c mol (p + ) kg-1

  21. Consider the following minerals:

    1. Siderite

    2. Pyrolusite

    3. Smithsonite

    4. Dolomite

    Which of these contain carbonate in their composition?

    1. 1, 2 and 3

    2. 2, 3 and 4

    3. 1, 2 and 4

    4. 1, 3 and 4

  22. Consider the following minerals:

    1. Magnesite

    2. Muscovite

    3. Anorthite

    4. Apatite

    The sequence of these minerals in the increasing order of resistance to weathering is

    1. 1, 2, 3, 4

    2. 2, 3, 4, 1

    3. 3, 4, 1, 2

    4. 4, 1, 2, 3

  23. Match List I with List II and select the correct answer:

    List-I (Soil Moistur Constant) List-II (pF Value)
    1. Field capacity

    2. Maximum water holding capacity

    3. Wilting point

    4. Oven dry

    1. 6.0

    2. 7.0

    3. 0.0

    4. 2.5

    5. 4.2

    • A
    • B
    • C
    • D
      • 2
      • 3
      • 5
      • 1
      • 4
      • 2
      • 3
      • 5
      • 4
      • 3
      • 5
      • 2
      • 3
      • 5
      • 4
      • 2
  24. The % por space in a soil having a bulk density of 1.16 mgm-and the particle density of 2.62 mg m-is

    1. 26.2

    2. 44.3

    3. 55.7

    4. 81.7

  25. Consider the following disorder in crops:

    1. Hear rot of sugar beet

    2. Speckled yellow of sugar beet

    3. Grey speck disease of oats

    4. Pahala blight of sugarcane

    Which of these ar caused due to Mndeficiency?

    1. 1, 2 and 3

    2. 2, 3 and 4

    3. 1, 2 and 4

    4. 1, 3 and 4

  26. Among the following, the set of essential nutrient elements, which ar absorbed as anions by plants is

    1. Boron, Chlorine, Copper Iron, Managenese

    2. Copper Iron, Phosphorus. Sulphur. Zinc

    3. Potassium, Manganese, Molybdenum. Phosphorus. Zinc

    4. Boron, Chlorine, Molybdenum.

    Phosphorus, Sulphur

  27. A fertilizer which supplies three essential plant nutrients is

    1. Diammonium phosphate (DAP)

    2. Muriate of potash (MOP)

    3. Single super phosphate (SSP)

    4. Sulphate of potash (SOP)

  28. The Fe-elae suitable for application to crops grown on acid soils is

    1. Fe-TA

    2. Fe-DHA

    3. Fe-PA

    4. Fe-DTA

  29. Half-fe of 14C is

    1. 30.2 years

    2. 281 years

    3. 80 days

    4. 5730 days

  30. Consider the following phosphoric fertilizers:

    1. Single super phosphate

    2. Dicalcium phosphate

    3. Monoammonium phosphate

    4. Calcium met phosphate

    Which of these contain water soluble P?

    1. 1 and 2

    2. 1 and 3

    3. 2 and 3

    4. 2 and 4