Class test 10 marks Science
class -8th
Q1 a) fill in the blanks with proper word. 3M
a) pH of oxygenated blood is _______
b) Production of RBC’s occurs in________
c) RBC’s of the blood contain ________ , an Iron compound
Q1 b) complete the fallowing table 2M
Organ system Organ Function
Respiratory System
Circulatory system
Q2) Explain the difference 2M
a) Arteries and veins
Q3 ) Draw meat and labelled diagram of Respiratory system 3M




