Start learning →

ICSE Class 10 Population and Pollution — practice questions — page 4

Explore 100 free Population and Pollution questions in ICSE Class 10 Biology. Open each question or exercise to read its content, reference answers and available explanation.

Practise Population and Pollution with Quill →

Population and Pollution questions and exercises with answers

Showing questions 91–100 of 100.

An area has 1,200 people and covers 30 km². What is population density?Read the answer and worked solution →A population grows from 10,000 to 10,500 in one year. What is its percentage growth for that year?Read the answer and worked solution →Thirty people move into an area and 45 move out. What is net migration?Read the answer and worked solution →Which pattern best describes a population explosion?Read the answer and worked solution →Fixed births per couple: what can raise births?Read the answer and worked solution →How is per capita income obtained for a population?Read the answer and worked solution →Vasectomy and tubectomy are intended to provide what?Read the answer and worked solution →Tubectomy leaves ovaries intact. Effect on periods?Read the answer and worked solution →Successful birth control primarily aims to lower which population measure?Read the answer and worked solution →Food supply grows slower than population. Per-person average?Read the answer and worked solution →

Worked practice questions

An area has 1,200 people and covers 30 km². What is population density?

  1. 40 people per km²
  2. 36 people per km²
  3. 400 people per km²
  4. 4 people per km²
Show answer and solution

Correct answer: A. 40 people per km²

Dividing 1,200 people by 30 km² gives 40 people per km².

Open this question →

A population grows from 10,000 to 10,500 in one year. What is its percentage growth for that year?

  1. 0.5%
  2. 5%
  3. 50%
  4. 10%
Show answer and solution

Correct answer: B. 5%

The increase is 500; 500 divided by 10,000 is 5 percent.

Open this question →

Thirty people move into an area and 45 move out. What is net migration?

  1. A gain of fifteen people
  2. A gain of seventy-five people
  3. A loss of fifteen people
  4. A loss of thirty people
Show answer and solution

Correct answer: C. A loss of fifteen people

Net migration is 30 minus 45, a decrease of 15 people.

Open this question →

How to practise

  1. Choose a Population and Pollution question and try to work out your answer.
  2. Open the question to check the correct answer and read its worked solution.
  3. Continue in the app for bite-sized lessons, explanations and review with Quill. You can start without creating an account.

Put it into practice

Continue with Population and Pollution practice for ICSE Class 10. Read explanations as you go. No signup form needed to start.

Practise Population and Pollution →

More Biology topics

Human Anatomy & CoordinationPlant PhysiologyGenetics and HeredityLife Processes & Human PhysiologyCell Biology: Cell Division & Chromosomes