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MCQs

Total Questions : 424 | Page 39 of 43 pages
Question 381. Vaccines are used in plants to stop
  1.    Viral Plant disease
  2.    Disease
  3.    Insects
  4.    Weeds
 Discuss Question
Answer: Option A. -> Viral Plant disease
Answer: (a).Viral Plant disease
Question 382. The process in which the genetic composition of an organism is altered is known as
  1.    Gene Pool
  2.    Genes
  3.    Genetic Engineering
  4.    Nutrient Cycling
 Discuss Question
Answer: Option C. -> Genetic Engineering
Answer: (c).Genetic Engineering
Question 383. People were debating about GM was that genetic scientists are altering
  1.    life itself
  2.    Palnts and animals
  3.    Genetically changing
  4.    None of these
 Discuss Question
Answer: Option A. -> life itself
Answer: (a).life itself
Question 384. The India rivers interlink plan is forwarded by the Indian government to solve the issue of
  1.    Water problem
  2.    Pollution problem
  3.    Industrial Problem
  4.    sewerage problem
 Discuss Question
Answer: Option A. -> Water problem
Answer: (a).Water problem
Question 385. Why organic matter is aadded to the soil?
  1.    it hold water and stablity to the structure
  2.    Holds nutrients
  3.    Crop yeild
  4.    Profit
 Discuss Question
Answer: Option A. -> it hold water and stablity to the structure
Answer: (a).it hold water and stablity to the structure
Question 386. What is the impact of deforestation on soils?
  1.    Increase soil erosion and leaching
  2.    Decrease soil erosion and leaching
  3.    Increase rainfall and CO₂
  4.    decrease temperature
 Discuss Question
Answer: Option A. -> Increase soil erosion and leaching
Answer: (a).Increase soil erosion and leaching
Question 387. What are the human activities that causes desertification?
  1.    Overgrazing, irrigation, salinization and over cultivation
  2.    Agro-forestry and Selective logging
  3.    Overgrazing only
  4.    All of these
 Discuss Question
Answer: Option A. -> Overgrazing, irrigation, salinization and over cultivation
Answer: (a).Overgrazing, irrigation, salinization and over cultivation
Question 388. What is formed by ploughing block the downward movement of water on slops?
  1.    Contour ploughing
  2.    Ridges
  3.    Terracing
  4.    Selective logging
 Discuss Question
Answer: Option B. -> Ridges
Answer: (b).Ridges
Question 389. What causes desertification ?
  1.    Wind
  2.    Human activities and climate change
  3.    Drought conditions
  4.    overcultivation
 Discuss Question
Answer: Option B. -> Human activities and climate change
Answer: (b).Human activities and climate change
Question 390. “Flowers offered to the god” is an example of ___________________
  1.    Non-consumptive values of biodiversity
  2.    Consumptive values of biodiversity
  3.    Social value of biodiversity
  4.    Ethical values of biodiversity
 Discuss Question
Answer: Option C. -> Social value of biodiversity
Answer: (c).Social value of biodiversity

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