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