alleryକେଉଁ ଯୋଜନା କଲେରାର ସାଧାରଣ ବିସ୍ତାରରେ ବାଧା ସୃଷ୍ଟି କରେ?
Aଜୀବାଣୁ ରକ୍ତଦାନ
Bଭେଣ୍ଟିଲେସନ୍ ଏବଂ କାଶକୁ ଆଚ୍ଛାଦନ କରିବା |
Cମଶା ଜାଲ ଏବଂ ଜଳ ନିଷ୍କାସନ ପୁଷ୍କରିଣୀ |
Dନିରାପଦ ଜଳ, ପରିମଳ, ହାତ ସ୍ୱଚ୍ଛତା |
Answer & Solution
Correct answer: D. ନିରାପଦ ଜଳ, ପରିମଳ, ହାତ ସ୍ୱଚ୍ଛତା |
ନିରାପଦ ଜଳ, ପରିମଳ ଏବଂ ସ୍ୱଚ୍ଛତା କଲେରା ଜୀବାଣୁ ଦ୍ୱାରା ଦୂଷିତ ଖାଦ୍ୟ କିମ୍ବା ଜଳର ସଂସ୍ପର୍ଶରେ ଆସିଥାଏ।
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