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IGCSE O Level Biology Certification Exam Tests

IGCSE O Level Biology Practice Test 91

Pollution: Pesticides and DDT Quiz PDF: Questions and Answers - 91

The Pollution Pesticides and DDT Quiz Questions and Answers PDF, Pollution Pesticides and DDT Quiz Answers PDF Download e-Book Ch. 7-91 to solve IGCSE O Level Biology Practice Tests. Learn Effects of Human Activity on Ecosystem MCQ Questions PDF, Pollution Pesticides and DDT Multiple Choice Questions (MCQ Quiz) to learn e-learning courses. The Pollution: Pesticides and DDT Quiz App Download: Free educational app for pollution: pesticides and ddt, biology test questions, viruses: biochemical parasites, fertilization and post fertilization changes, parts of flower test prep for accelerated bachelors degree online.

The Quiz: In terms of tolerance range for oxygen (O2), Tubifex worms and fish are; "Pollution: Pesticides & DDT" App (iOS & Android) with answers: Alike; Differ; Approximately same; Opposite; for accelerated bachelors degree online. Study Effects of Human Activity on Ecosystem Questions and Answers, Google eBook to download free sample for colleges that offer online degrees.

Pollution: Pesticides & DDT Questions and Answers PDF Download: Quiz 91

MCQ 451:

In terms of tolerance range for oxygen (O2), Tubifex worms and fish are

  1. differ
  2. alike
  3. approximately same
  4. opposite
MCQ 452:

Disadvantages of pesticides includes

  1. healthier crops
  2. higher yield of crops
  3. non-biodegradable pesticides
  4. availability of more food
MCQ 453:

Viruses are not considered cells because they

  1. cannot divide
  2. do not have a nucleus
  3. do not have a protoplasm
  4. are non-living things
MCQ 454:

Ovary and ovules form the

  1. fruit
  2. non-endospermic seeds
  3. provide food to growing cotyledons
  4. shell of hard fruits
MCQ 455:

In order to attract insects for pollination,

  1. petals are brightly colored
  2. petals are protected by calyx
  3. epicalyx is essential
  4. petals have large surface area

IGCSE O Level Biology Exam Prep Tests

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Pollution Pesticides & DDT App (Android & iOS)

Pollution Pesticides & DDT App (Android & iOS)

O Level Biology App (Android & iOS)

O Level Biology App (iOS & Android)

Molecular Biology App (Android & iOS)

Molecular Biology App (Android & iOS)

A level Biology App (Android & iOS)

A level Biology App (iOS & Android)