A. Carbon dioxide
B. Chlorofluorocarbons
C. Nitrogen oxides
D. Methane

A. 63% tin and 37% lead
B. 63% lead and 37% tin
C. 63% tin and 37% aluminum
D. 63% lead and 37% aluminum
Fuse-wire Is made up of tin-lead alloy (63% tin + 37% lead). It should have low melting point and high resistivity. It is used in series as a safety device in an electric circuit and is designed so as to melt and thereby open the circuit if the current exceeds a predetermined value due to some fault.

A. Chromosomes
B. Gene
C. Nucleotides
D. none

When a patient’s immune system becomes reactive to a drug, this is an example of?

A. Super infection
B. Drug resistance
C. Allergy
D. none

The shape of the external ear is due to____________?

A. Elastic cartilage
B. Fibrocartilage
C. Articular cartilage
D. none

A. Thoracic
B. Pelvic
C. Lumbar
D. none

The damage to the_________nerve could result in the defect of the eye movement:

A. Optic
B. Trigeminal
C. Abducens
D. none