Dengue fever is transmitted by the bite of an infected:
A. Anopheles mosquito
B. Culex mosquito
C. Tsetse fly
D. Aedes mosquito
Answer: Option D
Solution (By JKSSB Mock Tests)
Dengue fever is a mosquito-borne viral infection caused by the Dengue virus (four serotypes). It is primarily transmitted by the bite of an infected female Aedes aegypti mosquito (and Aedes albopictus). These mosquitoes typically bite during the day. Anopheles transmits malaria, and Culex transmits filariasis and Japanese encephalitis.
Explanation:
Nepenthes (pitcher plant) is an insectivorous plant that traps insects in its modified leaf pitchers to supplement nitrogen in nutrient-poor soils. Cuscuta is parasitic, Loranthus partial parasite, Monotropa saprophytic.
Explanation:
Thyroxine (T₄) and triiodothyronine (T₃) are synthesized by thyroid follicular cells. They regulate basal metabolic rate, growth, and development. Iodine is essential for their synthesis.
No comments yet. Be the first to start the discussion!