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MCQs

Total Questions : 178 | Page 13 of 18 pages
Question 121. Central heating systems can be run through
  1.    more deforestation
  2.    burning of garbage
  3.    lesser incinerators
  4.    cooling water pipelines
 Discuss Question
Answer: Option B. -> burning of garbage
Answer: (b).burning of garbage
Question 122. Metals is produced as waste in industries like
  1.    skiing
  2.    mining
  3.    electroplating
  4.    digging
 Discuss Question
Answer: Option C. -> electroplating
Answer: (c).electroplating
Question 123. Special kind of protein containing iron is called as
  1.    hormones
  2.    hemoglobin
  3.    fibrinogen
  4.    globulins
 Discuss Question
Answer: Option B. -> hemoglobin
Answer: (b).hemoglobin
Question 124. Making new containers from crushed glass helps to
  1.    save materials only
  2.    save fuel only
  3.    increase pollution
  4.    save materials and fuel
 Discuss Question
Answer: Option D. -> save materials and fuel
Answer: (d).save materials and fuel
Question 125. Conserving metals may decrease
  1.    environmental pollution only
  2.    waste disposal only
  3.    minerals in the crust
  4.    environmental pollution and waste disposal
 Discuss Question
Answer: Option D. -> environmental pollution and waste disposal
Answer: (d).environmental pollution and waste disposal
Question 126. Structural component of hemoglobin is
  1.    manganese
  2.    zinc
  3.    iron
  4.    chorine
 Discuss Question
Answer: Option C. -> iron
Answer: (c).iron
Question 127. Which statement in case of red blood cells (RBC) is true
  1.    have nucleus
  2.    can repair the damage through new protoplasm
  3.    are destroyed in spleen
  4.    are permanent cells
 Discuss Question
Answer: Option C. -> are destroyed in spleen
Answer: (c).are destroyed in spleen
Question 128. Cell within a circular biconcave shape is called as
  1.    mitochondrion
  2.    chromatin
  3.    centrioles
  4.    hemoglobin
 Discuss Question
Answer: Option D. -> hemoglobin
Answer: (d).hemoglobin
Question 129. Bile obtained after breakage of hemoglobin is of
  1.    red color
  2.    bright pink color
  3.    blue color
  4.    greenish-yellow color
 Discuss Question
Answer: Option D. -> greenish-yellow color
Answer: (d).greenish-yellow color
Question 130. Breakdown of hemoglobin
  1.    happens in small intestine
  2.    results in production of bile
  3.    iron is stored in cortex of kidneys
  4.    increases iron in nitrogenous wastes
 Discuss Question
Answer: Option B. -> results in production of bile
Answer: (b).results in production of bile

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