O Level

Biology MCQs

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Causes of Pollution: Biology Quiz Questions and Answers p. 298

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Causes of Pollution Biology quiz questions and answers, causes of pollution biology MCQs with answers PDF 298 to practice O level biology mock tests for online college programs. Practice "Effects of Human Activity on Ecosystem" quiz questions with answers, causes of pollution biology Multiple Choice Questions (MCQ) for online college degrees. Free causes of pollution: biology MCQs, hormones: endocrine glands, biology online, molecular biology, specifity of enzymes, causes of pollution: biology test prep for completely online college.

"Pollutants from natural cause can", causes of pollution biology Multiple Choice Questions (MCQ) with choices not avoided no matter what precautions are taken, avoided if proper precautions are taken, recycled, and stored for colleges that offer online courses. Learn effects of human activity on ecosystem questions and answers to improve problem solving skills for best online ACT prep class.

Quiz on Causes of Pollution: Biology

1.

Pollutants from natural cause can

avoided if proper precautions are taken
not avoided no matter what precautions are taken
recycled
stored

2.

The enzyme, Papain is found in

pawpaw
proteases
pepsin
pancreatic amylase

3.

Water molecule (H2O) is split into hydrogen (H2) and oxygen (O2) when

larynx is lowered, glottis is open
larynx is lowered and the windpipe is opened
larynx is raised and epiglottis blocks glottis
larynx is raised and pharynx is shut

4.

Fats acts as a solvent for

protoplasm
fat-soluble vitamins
insulating materials
mineral ions (Ca+2, Na+, K+, Mg+2)

5.

Gland referred to as "Master gland" is

Pituitary gland
Adrenal gland
thyroid gland
islets of Langerhans

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