IGCSE O Level Biology MCQs - Chapter 7

Effects of Human Activity on Ecosystem Trivia Questions & Answers PDF Download - 4

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The MCQs: Arsenic is an example of;; "Effects of Human Activity on Ecosystem" App (Android, iOS) with answers: Inorganic waste; Organic waste; Acid; Base; to study online schools courses. Practice Internal Structure of Eye Quiz Questions, download Apple e-Book (Free Sample) for online college classes.

Effects of Human Activity on Ecosystem MCQ with Answers PDF Download: Quiz 4

MCQ 16:

Arsenic is an example of

organic waste
inorganic waste
acid
base

MCQ 17:

If the trees are cleared, annual rain fall

increases causing flood
decreases and the area becomes dry
decreases but increases moisture
increases but decreases moisture

MCQ 18:

Advantages of using pesticides include

healthier crops
better yield
more food and profit for farmers
all of above

MCQ 19:

Conservation of resources can be tackled through

human population control only
by reducing pollution only
increasing use of resources
human population control and by reducing pollution

MCQ 20:

In Ecosystem pyrethrum is used in

insecticides
quinine
morphine
antibiotics

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