The disease caused by the Zika virus is transmitted by:
A. Tsetse fly
B. Anopheles mosquito
C. Culex mosquito
D. Aedes mosquito
Answer: Option D
Solution (By JKExamLibrary)
Zika virus is primarily transmitted by Aedes aegypti and Aedes albopictus mosquitoes. It can cause microcephaly in fetuses. Anopheles transmits malaria, Culex filariasis/West Nile.
Explanation:
Acetobacter aceti oxidizes ethanol to acetic acid under aerobic conditions, used in vinegar production. Lactobacillus produces lactic acid, Streptomyces produces antibiotics, E. coli is used in genetic engineering but not vinegar.
Explanation:
Grazing food chain begins with producers (plants). Decomposers break down dead matter at all levels; energy decreases at higher levels; producers are plants/algae.
Explanation:
Pancreatic amylase, secreted into the duodenum, continues starch digestion initiated by salivary amylase, producing maltose and dextrins. Maltase then breaks maltose to glucose. Sucrase acts on sucrose.
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