Everyday Science MCQs

5120 MCQs  (Page 29 of 512)

Vacuum tubes have been replaced by__________?
A. Conductors
B. Diodes
C. Transistors
D. None of these
It is a secondary plant nutrient?
A. Nitrogen
B. Phosphorus
C. Sulphur
D. None
Which of the following is not an enzyme?
A. Chemotrypsin
B. Secretin
C. Pepsin
D. None
Serum if blood plasma minus its?
A. Calcium ions
B. Clotting proteins
C. Globulins
D. None
The autonomic nervous system innervates all of these except?
A. Cardiac muscles
B. Skeletal muscles
C. Smooth muscles
D. None
The shape of the external ear is due to____________?
A. Elastic cartilage
B. Fibrocartilage
C. Articular cartilage
D. None