Class 9 Geography Chapter 6 Population Quiz 27 (25 MCQs)

Quiz Instructions

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1. An ecosystem is made up of .....
2. When something remains mostly the same over time it is .....
3. Range that describes the area inhabited by a population
4. A population of 150 individuals has an allele frequency of 0.3 for the dominant allele (B) and a frequency of 0.7 for the recessive allele (b). Use the Hardy-Weinberg equation to determine the frequency of the genotype (bb).
5. Today, world population is growing because people live longer even though the birthrate is dropping
6. Out of a group of 30 volunteers, 11 people are chosen to participate in a survey about the number of phone calls they make each week. What is the sample in this situation?
7. An example of an ecosystem would be?
8. A U.S. senator from Maine wants to find out the opinion of the voters in his state on issues concerning education. The office of the senator passes out surveys on ten street corners in the five major cities in the state of Maine. Is this random?
9. A part of the environment that prevents a population from growing to large is a/n .....
10. An example of stability would be ..... ?
11. Define population density and distribution.
12. 7) What is the largest country in the world?
13. When a population is stable it means .....
14. The countryside, less population
15. A student wants to know which type of pizza the students at his high school prefer. Which option would give a unbiased, representative sample:
16. If the death rate is greater than the birth rate, the population will .....
17. A high birth rate, high death rate, and low natural increase rate is
18. ..... means moving into a population.
19. How many extra people are added to the world's population each year?
20. As per the 2011 Census, which state has the least density (17 personin one sq km) of population?
21. In Rwanda, there are more young children than teenagers, and more teenagers than adults. This age structure indicates a population that
22. The study of how living things interact with each other and the environment is called .....
23. Something that controls the growth or size of a population is
24. This occurs when the size of a population becomes larger than the carrying capacity of its ecosystem.
25. If a nation's Birth Rate is higher than its death rate, then .....