Match the items in Group – I with those in Group – II and choose t – McqOptions

MCQOPTIONS

1.	Match the items in Group – I with those in Group – II and choose the right combination.Group - IP. Activated sludge processQ. Rising of sludgeR. Conventional nitrificationS. Biological nitrogen removalGroup - II1. Nitrifiers and denitrifiers2. Autotrophic bacteria3. Heterotrophic bacteria4. Denitrifiers
A.	P-3, Q-4, R-2, S-1
B.	P-2, Q-3, R-4, S-1
C.	P-3, Q-2, R-4, S-1
D.	P-1, Q-4, R-2, S-3
Answer» B. P-2, Q-3, R-4, S-1

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