IGCSE O Level Biology MCQs (O Level) From Textbook

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IGCSE O Level Biology Exam MCQs – Practice Test 4 (Chapter 7)

Effects of Human Activity on Ecosystem Notes Questions with Answers PDF Download – Test 4

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The Effects of Human Activity on Ecosystem Notes Questios and Answers PDF (Effects of Human Activity on Ecosystem Quiz Answers PDF e-Book) download Ch. 7-4 to study IGCSE O Level Biology Course. Solve Pollution: Inorganic Wastes as Cause MCQs, Effects of Human Activity on Ecosystem quiz answers PDF to study online schools courses. Download the Effects of Human Activity on Ecosystem Notes App – Free IGCSE O Level Biology Notes App to learn fast learning biology, herbicides: o level biology, conservation: forests and renewable resources, conservation: renewable resources career test for online college classes.

The MCQ: Arsenic is an example of; "Effects of Human Activity on Ecosystem Notes" App APK Download [Free] with answers: inorganic waste, organic waste, acid, and base to study online schools courses. Practice Internal Structure of Eye Quiz Questions, download Kobo e-Book (Free Chapter) to study online schools courses.

Effects of Human Activity on Ecosystem Test Questions and Answers PDF Download: MCQ 4

MCQ: 16

Arsenic is an example of

  1. organic waste
  2. inorganic waste
  3. acid
  4. base
MCQ: 17

If the trees are cleared, annual rain fall

  1. increases causing flood
  2. decreases and the area becomes dry
  3. decreases but increases moisture
  4. increases but decreases moisture
MCQ: 18

Advantages of using pesticides include

  1. healthier crops
  2. better yield
  3. more food and profit for farmers
  4. all of above
MCQ: 19

Conservation of resources can be tackled through

  1. human population control only
  2. by reducing pollution only
  3. increasing use of resources
  4. human population control and by reducing pollution
MCQ: 20

In Ecosystem pyrethrum is used in

  1. insecticides
  2. quinine
  3. morphine
  4. antibiotics

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Effects of Human Activity on Ecosystem Notes Apps (Android & iOS)

Effects of Human Activity on Ecosystem Notes App

O Level Biology Notes Apps (iOS & Android)

O Level Biology Notes App

College Biology Notes Apps (iOS & Android)

College Biology Notes App

MCAT Biology Notes Apps (Android & iOS)

MCAT Biology Notes App