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Pollution: Sewage as Cause Quizzes Online MCQs p. 227

Pollution Sewage as Cause quiz questions, pollution sewage as cause multiple choice questions and answers PDF 227 to learn O level biology course for college certification. Practice "Effects of Human Activity on Ecosystem" quiz, pollution sewage as cause Multiple Choice Questions (MCQ) for online college degrees. Free pollution: sewage as cause MCQs, wind pollination, human respiration, mammalian skin, pollution: carbon monoxide, pollution: sewage as cause test prep for best online colleges for teaching degree.

"An excellent habitat for bacterial growth is", pollution sewage as cause Multiple Choice Questions (MCQ) with choices burning of garbage, chlorofluorocarbons based products, untreated sewage, and all of above for online bachelor degree programs. Learn effects of human activity on ecosystem questions and answers to improve problem solving skills to learn free online courses.

Pollution: Sewage as Cause Questions and Answers

1.

An excellent habitat for bacterial growth is

chlorofluorocarbons based products
burning of garbage
untreated sewage
all of above

2.

If heat radiated from the Earths surface is retained, the outcome will be

formation of smog
green house effect
van der Walls forces of attraction among smoke particles
all of above

3.

In mammals like cats and foxes, the inner hair layer acts as

guard cells
insulator
performs both guarding and insulating functions
conductor

4.

Trachea divides into two

cilia
bronchus
bronchi
pleura

5.

In grass, the function of filament is to

hold pollens firmly
stay inside the bract
expose anther to wind
hold grass firm in the soil