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MCQs

Total Questions : 619 | Page 6 of 62 pages
Question 51. Which non-metallic minerals are used in fertilizers for agriculture?
  1.    Nitrate, Phosphates, Potash
  2.    Nitrates, Phosphorous, Copper
  3.    Nitrates, Copper
  4.    Nitrates, Lead
 Discuss Question
Answer: Option A. -> Nitrate, Phosphates, Potash
Answer: (a).Nitrate, Phosphates, Potash
Question 52. Lead is used for the manufacturing of
  1.    Cables, Batteries, roofing
  2.    Electrical Wires
  3.    Machines
  4.    Equipments
 Discuss Question
Answer: Option A. -> Cables, Batteries, roofing
Answer: (a).Cables, Batteries, roofing
Question 53. Copper is used for the manufacturing of
  1.    Electrical wires
  2.    Batteries
  3.    Roofing
  4.    Jewelries
 Discuss Question
Answer: Option A. -> Electrical wires
Answer: (a).Electrical wires
Question 54. Iron is used for the manufacturing of
  1.    Lead
  2.    Steel
  3.    Machines
  4.    Sulphur
 Discuss Question
Answer: Option B. -> Steel
Answer: (b).Steel
Question 55. The required amount of water for plants is determined by
  1.    climate
  2.    air
  3.    water
  4.    soil
 Discuss Question
Answer: Option A. -> climate
Answer: (a).climate
Question 56. What is called for a pattern of vegetation change in which a small number of species tend to replace each other over time in the absence of large scale disturbance?
  1.    Primary succession
  2.    Secondary succession
  3.    Tertiary succession
  4.    Cyclic succession
 Discuss Question
Answer: Option D. -> Cyclic succession
Answer: (d).Cyclic succession
Question 57. After landslide which of the following type of succession occurs?
  1.    Primary
  2.    Secondary
  3.    Tertiary
  4.    Climax
 Discuss Question
Answer: Option A. -> Primary
Answer: (a).Primary
Question 58. Which is the first process in ecological succession?
  1.    Nudation
  2.    Migration
  3.    Ecesis
  4.    Aggregation
 Discuss Question
Answer: Option A. -> Nudation
Answer: (a).Nudation
Question 59. What is called for the succession occurring within a microhabitat?
  1.    Primary succession
  2.    Nudation
  3.    Serule
  4.    Climax succession
 Discuss Question
Answer: Option C. -> Serule
Answer: (c).Serule
Question 60. What is called for the climax which is governed by more than one climate?
  1.    Climatic climax
  2.    Catastrophic climax
  3.    Sub climax
  4.    Edaphic climax
 Discuss Question
Answer: Option D. -> Edaphic climax
Answer: (d).Edaphic climax

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