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