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WorksheetsLand and Water pollution
Total questions: 10
Worksheet time: 5mins
What does ionising radiation do?
Causes feminisation in fish
Animals mistake it for food and get trapped
can cause mutations (changes in DNA)
It gets passed along the food chain
The time taken for nuclear waste to decay (break down) is called:
full life
decomposition time
mutation time
half life
What is a major effect to the environment of combusting (burning) plastic?
It releases toxic chemicals and fumes
It is smelly
It is an eyesore
Animals step on and it is hot so it will damage their paws.
What happens when soils become waterlogged (caused by build up of plastic)?
It increases oxygen concentration and makes anaerobic conditions
It decreases oxygen concentration and makes aerobic conditions
It decreases oxygen concentration and makes anaerobic conditions
It increases oxygen concentration and makes aerobic conditions
Land fill sites are an eyesore. What does this mean?
It looks ugly on the landscape
It releases toxic fumes
It attracts animals that get trapped
It looks great.
If plastics are discarded and cover the ground, what will happen to rates of photosynthesis?
They will increase as light gets to the grass.
They will stay the same
They will decrease as more light can get to the grass.
They will decrease as less light can get to the grass.
Why do farmers use pesticides?
To kill weeds that might compete for nutrients in the soil and space
To kill insects that might feed on their crops and damage them.
To kill the crops
To kill animals in the area
DDT is a pesticide. What happens if it is consumed?
It builds up in the food chain and becomes more concentrated.
It is toxic and can damage the organism
It genetically modifies the organism
It has no effect
What are some solutions to preventing pesticides and herbicides damaging the environment
Don't spray crops when heavy rain is forecast
Use twice as much as recommended (at least half will stay on the crops)
Only use the required amount (not excess)
Genetically modify plants so they are naturally pest resistant
What is the effect of female contraceptives getting into water sources?
water pollution
feminisation in fish
algae builds up on the surface of the water
Low sperm count in men
