Effects of human activities on the environment Practice exercise 3

Course: Grade 9 Integrated Science - Living things and their environment - The Interdependence of life

Quiz Questions (16 questions)

Question 1

A town near Mount Elgon is expanding rapidly with many buildings replacing trees. What two environmental effects might result from this urbanization? (2 marks)

Question 2

Kimani saw farmers spraying pesticides near River Yala. What effect might this have on fish and other aquatic life? (2 marks)

Question 3

Kimani saw farmers spraying pesticides near River Yala. What effect might this have on fish and other aquatic life? (2 marks)

Question 4

Study the diagram showing the effects of overfishing and explain what may happen to the food chain. (2 marks)

Question 5

Study the diagram showing the effects of overfishing and explain what may happen to the food chain. (2 marks)

Question 6

Study the picture showing plastic waste in a river and explain two dangers this poses to aquatic life. (2 marks)

Question 7

Study the picture showing plastic waste in a river and explain two dangers this poses to aquatic life. (2 marks)

Question 8

Study the picture showing plastic waste in a river and explain two dangers this poses to aquatic life. (2 marks)

Question 9

Study the picture showing plastic waste in a river and explain two dangers this poses to aquatic life. (2 marks)

Question 10

Wanja noticed a new highway is being built near her village. Predict one effect this construction might have on nearby animals. (1 mark)

Question 11

A company in Nairobi burns waste in the open air. What two long-term environmental effects could result from this? (2 marks)

Question 12

A tourist resort near Lake Nakuru is expanding by reclaiming a wetland. Predict two environmental consequences of this activity. (2 marks)

Question 13

Farmers in Makueni are clearing land near a river for agriculture. Explain two environmental dangers this may cause. (2 marks)

Question 14

In an urban estate, people dump untreated sewage into a nearby stream. What two problems might this cause for surrounding communities? (2 marks)

Question 15

Study the diagram showing gases released from vehicles and factories and describe two dangers these emissions pose to the environment. (2 marks)

Question 16

Study the diagram showing gases released from vehicles and factories and describe two dangers these emissions pose to the environment. (2 marks)

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