1) What is pollution defined as in the video? a) The natural cycling of elements in the environment. b) Increase of population causing urban expansion. c) An undesirable change in the physical, chemical or biological characteristics of the environment. d) The use of technology to improve environmental quality. 2) Which form of pollution is described as the most prevalent and dangerous? a) Air pollution b) Water pollution c) Noise pollution d) Radioactive pollution 3) What are the main causes of air pollution mentioned? a) Plastic waste and pesticides b) Factoring chimneys, vehicles, and burning wood c) Deforestation and mining d) Oil spills in rivers 4) How does water pollution affect human health according to the video? a) It increases waterborne diseases like cholera and diarrhea. b) It leads to soil erosion and infertility. c) It causes asthma and bronchitis. d) It results in noise-induced stress and hypertension. 5) What causes soil pollution as explained in the video? a) Use of insecticides, pesticides, industrial waste, and mining. b) Exhaust gases from vehicles and factories. c) Dumping of radioactive waste and nuclear testing. d) Excessive noise from traffic and industries. 6) At what sound intensity does noise pollution become harmful? a) Below 60 decibels b) Exactly 80 decibels c) Between 60 to 70 decibels d) Above 85 decibels 7) What are some health effects of radioactive pollution? a) Skin cancer, blood cancer, infertility and birth defects b) Diarrhoea and cholera c) Asthma and bronchitis d) Stress and hypertension 8) What environmental effect does deforestation have according to the video? a) It contaminates water with pesticides. b) It causes soil erosion since plants can't hold the soil. c) It leads to increased air pollution by industrial fumes. d) It causes noise pollution due to destroyed animal habitats.

Pollution (Monday Week 2)

Leaderboard

Visual style

Options

Switch template

Continue editing: ?