Which organelle is responsible from green color of plant leaves?
A. cytoplasm
B. chloroplast
C. chlorophyll
D. vacuole
Vaccinator Related Mcqs
Coolants in refrigerators and air conditioners contribute to what environmental hazard?
A. acid rain
B. ozone depletion
C. oil spillage
D. global warming
People from an area near a factory are suffering from bronchitis, what can be the cause of it?
A. polluted water from factory
B. polluted air from factory
C. toxic matter from factory
D. Solid waste form factory
The first dose of polio vaccine is administrated at the age of:
A. 2 months
B. 6 months
C. 6-18 months
D. 4-6 years
The following factors determine the immunogenicity or how effective a vaccination would be EXCEPT:
A. Gender
B. Dosage
C. Route of administration
D. Timing of administration
Haptens can stimulate a primary or secondary response when covalently bound to carrier proteins and interact with which one of the following?
A. IgG receptors
B. Class II MHC proteins
C. IgM receptors
D. Toll like receptors