1631. Vacuum tubes has been replaced by :
A. Conductors
B. Diodes
C. Transistors *
D. None of these
1632. Dacron is :
A. Polyethylene *
B. Epoxy
C. Polyamide
D. None of these
1633. It is a secondary plant nutrient :
A. Nitrogen
B. Phosphorus
C. Sulphur *
D. None of these
1634. An area of microbiology that is concerned with the occurrence of disease in human population is :
A. Immunology
B. Parasitology
C. Epidemiology *
D. None of these
1635. The number of electrons of a neutral atom is automatically known if one knows the :
A. Atomic number *
B. Atomic weight
C. Number of orbitals
D. None of these
1636. Which of the following is not an enzyme ?
A. Chymotrypsin
B. Secretin *
C. Pepsin
D. None of these
1637. It is impossible for a type of O+ baby to have a type of __________ mother :
A. AB- *
B. O-
C. O+
D. None of these
1638. Serum if blood plasma minus its :
A. Calcium ions
B. Clotting proteins *
C. Globulins
D. None of these
1639. All of these are innervated by the autonomic nervous system, except for:
A. Cardiac Muscles
B. Skeletal Muscles *
C. Smooth Muscles
D. None of these
1640. The damage to the _________ nerve could result in the defect of the eye movement :
A. Optic
B. Trigeminal
C. Aducens
D. None of these (Cranial nerve ) *