Ecology: O level Biology Quiz App | IGCSE O Level Biology Quiz e-Book PDF Download | 19
IGCSE O Level Biology MCQs (O Level) From Textbook

IGCSE O Level Biology Certification MCQs – Practice Test 19 (Chapter 6)

Ecology: O level Biology Quiz with Answers PDF – Download Test 19

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Study Ecology O level Biology Quiz Questions and Answers PDF to join biology communities. Download the Ecology O level Biology Quiz PDF e-Book, Ch. 6-19 to study IGCSE O Level Biology Course. Practice Food Chain and Web Quiz, Ecology O level Biology MCQ questions and answers PDF to join biology communities. Download the Ecology O level Biology Quiz App: Free IGCSE O Level Biology App to study energy types in ecological pyramids, parasite diseases, parasitism: malarial pathogen career test to enhance digital instruction.

The "Ecology O level Biology Quiz" App Download (Android & iOS): Balance between producers and consumers forms the; MCQ with answers: food chain, food web, food cycle, and carbon cycle. Learn Genetically Modified Organisms Quiz Questions, download Google Book (Free Chapter) to join biology communities.

Ecology O level Biology Quiz PDF Download – Practice Test 19

MCQ 91: Trophic level refers to the:

  1. axis around the earth
  2. stage in an ecological niche
  3. stage in a food chain
  4. energy level in a food web

MCQ 92: Balance between producers and consumers forms the:

  1. food web
  2. food chain
  3. food cycle
  4. carbon cycle

MCQ 93: Damage, diseases and death may be caused by the:

  1. symbiotic relationship
  2. parasitic relationship
  3. saprophytic relationship
  4. neutral relationship

MCQ 94: Malarial preventive drugs include:

  1. quinine
  2. chloroquine
  3. Paludrine
  4. Penicillin

MCQ 95: Chemical energy trapped in dead bodies is released through the:

  1. decomposition only
  2. fungi and bacteria only
  3. virus
  4. decomposition and fungi, bacteria

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