Human Population (Leaving Cert Biology): Quizzes
📚Quizzes
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12 questions from this quiz
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Practise the questions
12 questions from this quiz
What effect does famine have on population numbers?
What effect does famine have on population numbers?
It reduces them
How does disease affect human population numbers?
How does disease affect human population numbers?
It reduces them
What is the nature of war's effect on population numbers?
What is the nature of war's effect on population numbers?
It may be temporary
What commonly happens to birth rates after a war?
What commonly happens to birth rates after a war?
They increase
What is the post-war increase in birth rate called?
What is the post-war increase in birth rate called?
A baby boom
How does contraception reduce population growth?
How does contraception reduce population growth?
By preventing fertilisation
Which medical advancement helps increase population numbers?
Which medical advancement helps increase population numbers?
Vaccination
How do improved surgical methods affect population?
How do improved surgical methods affect population?
They increase numbers
What does improved sanitation help to reduce?
What does improved sanitation help to reduce?
The spread of diseases
What type of drugs help increase population numbers?
What type of drugs help increase population numbers?
Antibiotics
What are insecticides?
What are insecticides?
Chemicals applied to crops
What is the result of using insecticides on crops?
What is the result of using insecticides on crops?
Higher crop yields