Biology-Air (NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension): Questions 1 - 1 of 1

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Question number: 1

» Biology » Air

MCQ▾

Question

The role of air pumped in waste water treatment plant is

Choices

Choice (4) Response

a.

to support the growth of aerobic bacteria

b.

to pressurize the water which has been treated

c.

to minimize the growth of aerobic bacteria

d.

to provide nutrient to bacteria

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