Which of the following wear before working in
a laboratory?
a) gloves
b) mask
c) apron
d) glasses
Lungs are important because they …………....
a) Release carbon dioxide
b) Absorb oxygen
c) Contract and expand
d) a and b
To make our muscles and bones healthy we should…………..
a) Eat less food
b) Exercise
c) Use more salt
d) All of these
Hollow bones of birds makes their flight Easy, due to their: NTS PST ----P-6----2016
a) Forelimbs modification
b) increased vision
c) weight reduction
d) strong bones
Which organ is control center of the body…….
a) Stomach
b) Heart
c) Brain
d) all of these
