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IGCSE O Level Biology Competitive Exam: Mock Test 91

Pollution: Pesticides and DDT Notes Questions with Answers PDF Download - 91

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The Pollution Pesticides and DDT Notes Questions and Answers PDF (Pollution Pesticides and DDT Quiz Answers PDF e-Book) download Ch. 7-91 to study 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 Notes App Download: Free IGCSE O Level Biology App to study pollution: pesticides and ddt, biology test questions, viruses: biochemical parasites, fertilization and post fertilization changes 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, opposite, and approximately same for accelerated bachelors degree online. Study Effects of Human Activity on Ecosystem Questions and Answers, Apple Book to download free sample for colleges that offer online degrees.

Pollution: Pesticides & DDT Quiz with Answers PDF Download: MCQs 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

Pollution: Pesticides & DDT Competitive Exam: IGCSE O Level Biology App & eBook Notes

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