Contents

79) Sequencing of DNA involves:

a) physics                                  

b) geography

c) mathematics                        

d) none of these

c

80) Gene finding and gene mapping require the knowledge of……..

a) physics                                  

b) mathematics

c) geography                             

d) none of these

b

Critical thinking MCQs:

81)  Which one is the last step in biological method?

a) hypothesis                            

b) experiment

c) reporting                              

d) deduction

c

82) What is the correct experiment on sparrow to know that plasmodium destroys red blood cell?

a) examine the blood of single healthy sparrow

b) examine the blood of single infected sparrow

c) examine the blood of some healthy and also some infected sparrow

d) allow mosquito to bite a healthy sparrow and examine his blood

c

83) The best way to analyze the data collected from experiments:    

a) experts simple calculation on calculator

b) discussion with    

c) reading the data             

d) application of statistical formulae

d

84) People who slept near smoky fire had less chance to suffer from malaria. Why?

a) smoke increases the immunity of the person

b) fire kills plasmodium in air

c) mosquitoes cannot tolerate smoke and are repelled

d) smoke kills plasmodium present in mosquitoes

c