Question

11. Which of the following is a property that is shared by Zika fever, West Nile fever, and malaria? (A) The diseases are caused by viruses. (B) The diseases occur only in individuals who visit or live in tropical countries. (C) The pathogens that cause the diseases have developed resistance to antibiotics. (D) The pathogens that cause the diseases are primarily transmitted by the bite of an infected mosquito. 20+ t Isolates (%) 10

Answer 1

11. Option D.

The pathogens that cause the diseases are primarily transmitted by the bite of an infected mosquito.

Zika fever → Ades mosquitoes

West nile fever → Culex mosquitoes

Malaria → Anopheles mosquitoes

12. Option D

Vegetational evapotranspiration.

Of the total annual precipitation in amazon basin, only one-third of it, is discharged into the Atlantic ocean. About half of it , not even reach the ground, being intercepted by tall trees and are re-evaporated into atmosphere. To add on, additional evaporation takes place from the forest floor and river water surface.