MCQ
Diphtheria is caused by
- ✓Bacteria
- BVirus
- CNematodes
- DNone of these
(a) Diphtheria is a serious disease caused by bacterium Corynebacterium diphtheriae. It commonly attacks mucous membrane of nose, throat and tonsils. The symptoms include high fever, sore throat, difficulty in breathing due to chocking.
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Plant $→$ Insect $→$ Frog $→$ “$A$” $→$ Eagle
$I$. Maintaining the ecological process.
$II$. To enrich the wild life diversity with exotic species.
$III$. Preventing migration of species.
$IV$. Maintaining the diversity of life.
The correct statement are