Deadly disease which is caused by parasitic microorganism called plasmodium is ______.
a) malaria b)dengue c)polio d)rubella
15. Baker’s yeast produce gas which helps in rising of dough is ____________.
a) oxygen b)hydrogen c)carbon dioxide d)nitrogen
16. Organ systems which are exposed to external environment are protected from bacteria
by presence of ___________.
a)mucus membrane b)HCl c)hairs d)plug
17. Most of the bacteria in food are killed by ________.
a) HCl b) NaCl c) HNo3 d) water
18. The ________ disease can be prevented by maintaining good personal hygiene.
a) cholera b)tuberculosis c)ringworm d)malaria
Answers
Answered by
1
Answer:
malaria,,,,oxygen,,,,hairs,,,,hci,,,,,cholera
Explanation:
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Answer:
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