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MCQs

Total Questions : 619 | Page 59 of 62 pages
Question 581. What are two major components of an ecosystem?
  1.    Biotic and abiotic factors
  2.    Microorganisms
  3.    Temperature and humidity
  4.    Light and Food
 Discuss Question
Answer: Option A. -> Biotic and abiotic factors
Answer: (a).Biotic and abiotic factors
Question 582. Animals, feed on herbivores, known as
  1.    Primary producers
  2.    Primary consumers
  3.    Secondary Consumers
  4.    Tertiary Consumers
 Discuss Question
Answer: Option C. -> Secondary Consumers
Answer: (c).Secondary Consumers
Question 583. An example of a producer in pond water:
  1.    Minute floating plants
  2.    Microorganism
  3.    Consumers
  4.    Carnivores
 Discuss Question
Answer: Option A. -> Minute floating plants
Answer: (a).Minute floating plants
Question 584. Large carnivores which feed on primary carnivores are known as
  1.    Tertiary Consumers
  2.    Primary consumers
  3.    Omnivores
  4.    Herbivores
 Discuss Question
Answer: Option A. -> Tertiary Consumers
Answer: (a).Tertiary Consumers
Question 585. Which organism use organic compound for their food and energy?
  1.    Consumers
  2.    Producers
  3.    Omnivores
  4.    Herbicides
 Discuss Question
Answer: Option A. -> Consumers
Answer: (a).Consumers
Question 586. Simple inorganic substances released into environment is reused by
  1.    Decomposers
  2.    Producers
  3.    Omnivores
  4.    Herbivores
 Discuss Question
Answer: Option B. -> Producers
Answer: (b).Producers
Question 587. What ensures long term survival of an ecosystem?
  1.    Diversity of species
  2.    Ecosystem
  3.    Microorganisms
  4.    Nutrient cycle
 Discuss Question
Answer: Option A. -> Diversity of species
Answer: (a).Diversity of species
Question 588. In structure of an ecosystem, composition of biological communities include:
  1.    Rate of production
  2.    Species population, biomass, distribution
  3.    Rate of temperature change
  4.    Light and temperatue
 Discuss Question
Answer: Option B. -> Species population, biomass, distribution
Answer: (b).Species population, biomass, distribution
Question 589. Algae, green plants and photosynthetic bacteria are:
  1.    Autotrophic organisms
  2.    Heterotrophic
  3.    Decomposers
  4.    Consumers
 Discuss Question
Answer: Option A. -> Autotrophic organisms
Answer: (a).Autotrophic organisms
Question 590. Herbivores, carnivores and omnivores are categorized into
  1.    Macro consumers
  2.    Micro consumers
  3.    Consumers
  4.    Producer
 Discuss Question
Answer: Option A. -> Macro consumers
Answer: (a).Macro consumers

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