Causes of Pollution Quiz Questions 299 Tests pdf Download

Practice O level biology MCQ test 299 to learn causes of pollution quiz online. Download biology quiz questions and answers to learn effects of human activity on ecosystem. Practice MCQs to test knowledge on causes of pollution, specifity of enzymes, molecular biology, biology online, hormones: endocrine glands worksheets.

Free O level biology worksheets has multiple choice quiz questions as pollutants from natural causes, answer key with choices as can be avoided if proper precautions are taken, can not be avoided no matter what precautions are taken, can be recycled and can be stored to practice theory test for college, university academic degree exams and interview preparartion. For e-learning, study online effects of human activity on ecosystem multiple choice questions based quiz questions and answers.

Quiz on Causes of Pollution: Worksheets 299 Quiz pdf Download

Causes of Pollution Quiz

MCQ. Pollutants from natural causes

  1. can be avoided if proper precautions are taken
  2. can not be avoided no matter what precautions are taken
  3. can be recycled
  4. can be stored

B

Specifity of Enzymes Quiz

MCQ. Papain is found in

  1. pawpaw
  2. proteases
  3. pepsin
  4. pancreatic amylase

A

Molecular Biology Quiz

MCQ. Water molecule (H2O) is split into hydrogen (H2) and oxygen (O2) in

  1. larynx is lowered, glottis is open
  2. larynx is lowered and windpipe is opened
  3. larynx is raised and epiglottis blocks glottis
  4. larynx is raised and pharynx is shut

C

Biology Online Quiz

MCQ. Fats acts as a solvent for

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

B

Hormones: Endocrine Glands Quiz

MCQ. Gland referred to as "Master gland" is

  1. Pituitary gland
  2. Adrenal gland
  3. thyroid gland
  4. islets of Langerhans

A

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