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

Quiz Instructions

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1. Why is biodiversity important to ecosystems?
2. A scientist studies a herd of mule deer to learn about their dietary habits. Identify the population.
3. What growth pattern describes a population whose growth rate slows or stops following a period of exponential growth?
4. Limiting factors are sometimes helpful because they can keep the population from getting too large.
5. What is maternal mortality?
6. Why did Aria decide to move from her village to the city?
7. If you divide the population of a country by its land area what statistic do you get?
8. Which meaning goes with the Latin prefix Atmo-
9. An indirect effect is:
10. You sample a population of butterflies and find that 42% are heterozygous for a particular gene. What would be the frequency of the recessive allele in this population?
11. In a rat population that is in equilibrium, the frequency of recessive white fur allele is 0.25. Calculate the frequency of the heterozygous rat.
12. Assign each car in a dealership a number and then use a random-number table to select the cars to be inspected.
13. In a logistic Growth curve, exponential growth is the phase in which the population .....
14. This is a person who moves from place to place to make a living and to look for available resources:
15. Which of the scenarios below might cause the total population of a country to decrease?
16. A population is
17. The variety of living organisms within a given area
18. By 2100, the estimated population of the world will be .....
19. 40% of the world's population live .....
20. Adult giraffes eat about 75 pounds of food in a day. On average, an area can provide 450 pounds of food per day for giraffes.Based on this information only, what is the carrying capacity for adult giraffes in this area?
21. A musician wanted to see what people who bought his last album thought about the songs. Which choice best represents a sample?
22. A sudden dramatic increase in the birth rate is ..... ?
23. What is the demographic transition model?
24. The average number of years a newborn infant can expect to live.
25. The average number of children a woman in a given population will have in her lifetime is ..... ?