Causes of Pollution: Biology Quiz Questions and Answers 299 PDF Download

Learn causes of pollution biology quiz, online Cambridge IGCSE biology test 299 for distance learning, online courses. Free biology MCQs questions and answers to learn causes of pollution: biology MCQs with answers. Practice MCQs to test knowledge on causes of pollution: biology with answers, hormones: endocrine glands, biology online, molecular biology, specifity of enzymes, causes of pollution: biology test for online modern biology courses distance learning.

Free causes of pollution: biology online course worksheet has multiple choice quiz question: pollutants from natural cause, with choices 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 for online college board exams and viva voce questions and answers for current students, study effects of human activity on ecosystem multiple choice questions based quiz question and answers.

Quiz on Causes of Pollution: Biology Worksheet 299 Quiz PDF Download

Causes of Pollution: Biology Quiz

MCQ. Pollutants from natural cause,

  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) when

  1. larynx is lowered, glottis is open
  2. larynx is lowered and the 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