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IGCSE O Level Biology Study Guide: Practice Test 9 (Chapter 6)

Ecology: O level Biology Multiple Choice Questions (MCQs) PDF Download - 9

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The Ecology O level Biology Multiple Choice Questions (MCQs) with Answers PDF (Ecology O level Biology MCQs PDF e-Book) download Ch. 6-9 to study IGCSE O Level Biology Course. Practice Habitat specialization due to salinity MCQs, Ecology O level Biology quiz questions and answers PDF for colleges that offer online degrees. The Ecology O level Biology MCQs App Download: Free IGCSE O Level Biology App to study energy types in ecological pyramids, biotic environments, physical environment: ecology career test to learn online certificate courses.

The MCQ: During night, the fresh water is made more acidic due to "Ecology: O level Biology" App Download [Free] with answers: caesura of photosynthesis, onset of photosynthesis, onset of respiration, and onset of transpiration to learn online certificate courses. Solve Vegetative Reproduction in Plants Quiz Questions, download Google eBook (Free Sample) for SAT subject tests.

Ecology O level Biology MCQs with Answers PDF Download: MCQ Quiz 9

MCQ: 41

During night, the fresh water is made more acidic due to

  1. onset of photosynthesis
  2. caesura of photosynthesis
  3. onset of respiration
  4. onset of transpiration
MCQ: 42

In any ecosystem, the form of energy that can not be recycled is

  1. light energy
  2. chemical energy
  3. heat energy
  4. mechanical energy
MCQ: 43

Group of organisms of the same species living undefined are/is called

  1. population
  2. community
  3. kingdom
  4. phylum
MCQ: 44

In strong day light, fresh water (H2) is

  1. more alkaline
  2. more acidic
  3. neutral
  4. salty
MCQ: 45

Survival of aquatic organisms only in their environment is an example of

  1. high specialization
  2. less specialization
  3. adaptation
  4. metabolism

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Ecology: O level Biology MCQ App (Android & iOS)

Ecology O level Biology MCQ App

O Level Biology MCQ App (iOS & Android)

O Level Biology MCQ App

10th Grade Biology MCQs App (iOS & Android)

10th Grade Biology MCQs App

9th Grade Biology MCQs App (Android & iOS)

9th Grade Biology MCQs App