Tag: hygiene - a key to healthy life
Quizzes Related to hygiene - a key to healthy life
hygiene
Ques 17
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mosquitoes and malaria
Ques 21
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diseases caused by mosquitoes
Ques 23
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organisms that spreads disease
Ques 45
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basics of water pollution
Ques 87
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water borne diseases
Ques 34
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