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MCQs

Total Questions : 619 | Page 55 of 62 pages
Question 541. How many types of ecological succession are there?
  1.    3
  2.    2
  3.    5
  4.    4
 Discuss Question
Answer: Option B. -> 2
Answer: (b).2
Question 542. Which ecological succession is involved in migration, aggregation and competition?
  1.    Initial causes
  2.    Ecesis
  3.    stabilizing causes
  4.    Unstable Causes
 Discuss Question
Answer: Option B. -> Ecesis
Answer: (b).Ecesis
Question 543. Which ecological succession are responsible for stabilization of community?
  1.    Biodiversity
  2.    Initial causes
  3.    Ecesis causes
  4.    Stabilizing causes
 Discuss Question
Answer: Option D. -> Stabilizing causes
Answer: (d).Stabilizing causes
Question 544. Amount of incoming solar radiations is, approximately
  1.    4372watts/m²
  2.    3372watts/m²
  3.    2372watts/m²
  4.    1372watts/m²
 Discuss Question
Answer: Option D. -> 1372watts/m²
Answer: (d).1372watts/m²
Question 545. How does solar radiations travel through space ?
  1.    Electromagnetic Waves
  2.    Light Waves
  3.    Air Waves
  4.    All of above
 Discuss Question
Answer: Option A. -> Electromagnetic Waves
Answer: (a).Electromagnetic Waves
Question 546. About 10% of solar energy is
  1.    Infrared
  2.    Ultraviolet
  3.    Visible
  4.    Harmful
 Discuss Question
Answer: Option B. -> Ultraviolet
Answer: (b).Ultraviolet
Question 547. Phenomenon, by which some primarily bacteria utilize chemicals to generate energy rich compounds, known as
  1.    Autosynthesis
  2.    Polysynthesis
  3.    Photosynthesis
  4.    Chemosynthesis
 Discuss Question
Answer: Option D. -> Chemosynthesis
Answer: (d).Chemosynthesis
Question 548. Living organisms are operated by means of
  1.    Food
  2.    Energy
  3.    Water
  4.    Environment
 Discuss Question
Answer: Option B. -> Energy
Answer: (b).Energy
Question 549. Most of solar radiation is reflected by
  1.    Atmospheric clouds
  2.    dust
  3.    gases
  4.    All of above
 Discuss Question
Answer: Option D. -> All of above
Answer: (d).All of above
Question 550. According to first law, energy cannot be created nor destroyed, but, can only show a state known as
  1.    Utilized
  2.    Thermodynamics
  3.    Convection
  4.    Conversion
 Discuss Question
Answer: Option D. -> Conversion
Answer: (d).Conversion

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