IGCSE O Level Biology Practice Test 91

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

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The Pollution Pesticides and DDT Trivia Questions and Answers PDF (Pollution Pesticides and DDT Quiz Answers PDF e-Book) download 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 Trivia 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 Quiz with Answers PDF Download: MCQs 91

MCQ 451:

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

differ
alike
approximately same
opposite

MCQ 452:

Disadvantages of pesticides includes

healthier crops
higher yield of crops
non-biodegradable pesticides
availability of more food

MCQ 453:

Viruses are not considered cells because they

cannot divide
do not have a nucleus
do not have a protoplasm
are non-living things

MCQ 454:

Ovary and ovules form the

fruit
non-endospermic seeds
provide food to growing cotyledons
shell of hard fruits

MCQ 455:

In order to attract insects for pollination,

petals are brightly colored
petals are protected by calyx
epicalyx is essential
petals have large surface area

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