A. Alexander Fleming
B. Morse
C. Marconi
D. Bell
A. Visible blue light
B. Yellow light
C. X-rays
D. Infrared rays
A. respiration and reproduction
B. reproduction and locomotion
C. locomotion and respiration
D. excretion and digestion
A. bone cells
B. platelets
C. red blood cells
D. white blood cells
A. gases decreases and liquid increases
B. gases increases and liquids decreases
C. both gases and liquids increases
D. both gases and liquids decrease
A. closed
B. open
C. open in place
D. open at one end
A. liver
B. pancreas
C. pituitary
D. None above
A. fish
B. beans
C. apples
D. butter
A. lighter than electron
B. heavier than electron
C. as heavy or light as electron
D. None of above
A. eye diseases
B. skin diseases
C. lung diseases
D. heart diseases
E. Both c & d
