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Saturday, August 19, 2017

Biology

1.One of the following is most suitable for study of mutations
Haploids 
Diploids 
Tetraploids
Polyploid

2.One day you wake with a sore throat and a runny nose. Your doctor takes a swab from your throat, sends it to a lab, and telephones you the next day to say that antibiotic will not help you get better. Which of the following is the most likely reason for the doctor's statement?
Having waited a day, it is too late to take an antibiotic 
You need an antiseptic, not an antibiotic 
You need to be vaccinated instead of taking an antibiotic 
You are infected by a virus

3.Ptyalin is an enzyme produced in the
salivary glands 
pituitary glands 
thyroid glands 
pancreas

4.Mycobacterium leprae causes leprosy, Corynebacterium diphtheria causes diphtheria and Vibrio comma causes
tetanus 
influenza 
cholera
typhoid

5.Other than spreading malaria, anopheles mosquitoes are also vectors of
dengue fever 
filariasis 
encephalitis 
yellow fever

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