MICROBES IN HUMAN WELFARE

Question - 175 Maximum mark : - 175

Which role is played by

in our stomach?

Harmful Neutral Beneficial Sometimes (a) and sometimes (b) NULL NULL NULL

Powdery mildew of wheat is caused by species of

Puccinia Erysiphe Ustilago Albugo NULL NULL NULL

Toddy is made by ...A... of sap from palm tree by ...B... . Here A and B refers to

A-fermentation; B-yeast A-fermentation; B-bacteria A-distalation; B-yeast A-distalation; B-bacteria NULL NULL NULL

Which of the following belongs to free living nitrogen fixing bacteria?
I. Rhizobium
II. Azospirillum
III. Azotobacter
Choose the correct option

I and II I and III II and III I, II and III NULL NULL NULL

Which one of the following is biofuel?

Wood Petroleum Natural gas Coal NULL NULL NULL

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