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IGCSE O Level Biology Entrance Tests: Practice Test 10 (Chapter 7)

Effects of Human Activity on Ecosystem Multiple Choice Questions (MCQ) PDF Download - 10

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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. 7-10 to study IGCSE O Level Biology Course. Solve Pollution: Pesticides and DDT MCQs, Effects of Human Activity on Ecosystem quiz answers PDF to study e-learning courses. The Effects of Human Activity on Ecosystem Notes App Download: Free IGCSE O Level Biology App to learn pollution: causes of pollution, pollution: smog as cause, molecular biology, causes of pollution: biology career test for ACT subject tests.

The Quiz: Along the trophic level, in a food chain, the insecticide amount; "Effects of Human Activity on Ecosystem" App APK Download [Free] with answers: increases at each trophic level, decreases at each trophic level, remains unchanged, and may increase or decrease depending on consumption to study e-learning courses. Practice GCE Biology Quiz Questions, download Kobo eBook (Free Sample) to study e-learning courses.

Effects of Human Activity on Ecosystem Test Questions and Answers PDF Download: MCQ 10

MCQ: 46

Along the trophic level, in a food chain, the insecticide amount

  1. decreases at each trophic level
  2. increases at each trophic level
  3. remains unchanged
  4. may increase or decrease depending on consumption
MCQ: 47

Gaseous pollutants include

  1. biological decay
  2. forest fires
  3. volcanic eruptions
  4. all of above
MCQ: 48

No smog occurs if

  1. cool air is allowed to escape
  2. if pollutants like smoke and sulphur dioxide are prevented from escape
  3. if cool air and pollutants are prevented from escape
  4. if pollutants like smoke and sulphur dioxide are escape
MCQ: 49

Ozone depletion can be prevented with

  1. use of scrubbers in factory chimneys
  2. acidic waste is treated with alkalis
  3. fossil fuels are used in factories
  4. lower consumption of chlorofluorocarbons-based products
MCQ: 50

Reaction between oxides of nitrogen (N2) and oxygen (O2) results in

  1. formation of nitric acid only
  2. acid rains only
  3. alkali rain
  4. formation of nitric acid and acid rains

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Effects of Human Activity on Ecosystem MCQs App (Android & iOS)

Effects of Human Activity on Ecosystem MCQs App

O Level Biology MCQs App (iOS & Android)

O Level Biology MCQs App

MCAT Biology MCQ App (iOS & Android)

MCAT Biology MCQ App

Phylum MCQ App (Android & iOS)

Phylum MCQ App