O Level Courses

Chapter 7: IGCSE O Level Biology Exam Tests

IGCSE O Level Biology MCQs - Chapter 7

Effects of Human Activity on Ecosystem Multiple Choice Questions (MCQ) PDF - 1

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Effects of Human Activity on Ecosystem MCQ Quiz PDF Download: Test 1

MCQ 1: Consequences of water pollution include

A) discharge of untreated sewage
B) burning of fossil fuels
C) loss of habitat
D) climatic changes

MCQ 2: Renewable natural resources include

A) air only
B) water only
C) soil
D) air and water

MCQ 3: If the whole of the topsoil is washed down, the erosion is said to be

A) sheet erosion
B) gully erosion
C) shelter wash off
D) wind erosion

MCQ 4: Deforestation is caused due to

A) grazing
B) timber
C) Cultivation
D) all of above

MCQ 5: In ecosystem, Endemics include

A) malaria
B) plague
C) cholera
D) typhoid

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