Q. 7 The number of people diagnosed with dengue fever (contracted from the bite of
a mosquito) in north India is twice the number diagnosed last year. Municipal
authorities have concluded that measures to control the mosquito population
have failed in this region.
Which one of the following statements, if true, does not contradict this conclusion?
(A) A high proportion of the affected population has returned from
neighbouring countries where dengue is prevalent
(B) More cases of dengue are now reported because of an increase in the
Municipal Office’s administrative efficiency
(C) Many more cases of dengue are being diagnosed this year since the introduction
of a new and effective diagnostic test
(D) The number of people with malarial fever (also contracted from mosquito
bites) has increased this year
Answer: (D)
Explanation:
