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Class 7
Science :- Transportation in Animals and Plants_part 1

How many times a normal heart beats a day?


  • 100
  • 1000
  • 10000
  • 100000
  • What is the function of the heart?


  • Beats all time


  • Pumps blood


  • Extracts oxygen


  • Digests food


  • Which of the following is a component of blood?


  • Red Blood Cells


  • White Blood Cells


  • Plasma
  • All of the above


  • What component of blood is red in color and carries oxygen?


  • Hemoglobin
  • Chlorophyll
  • Plasma
  • Chloroplast
  • Which component of blood helps to achieve immunity to diseases?


  • Plasma
  • Hemoglobin
  • WBC
  • Chlorophyll