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Class 9 Geography Chapter 6 Population Quiz 15 (25 MCQs)

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1. Few rocks in the desert cause lizard populations to be small
2. Limiting factor that affects all populations in similar ways
3. Which groups are considered to be part of the dependency ratio?
4. Which of the following is a density-independent limiting factor?
5. The movement of organisms into a range is called
6. Which geographic feature is MOST influential in determining the population distribution in Southwest Asia?
7. Which continent is Japan located in?
8. What type of growth is the human population experiencing today?
9. A population of mice lives in the northeastern United States. Over the last 50 years, the size of the mouse population decreased. What best explains the decrease in the size of the mouse population?
10. Use the following information to answer the questions below.Albinism is a hereditary disease due to the absence of the skin pigment melanin. The allele for albinism is recessive to the allele for normal pigmentation. One person in 10, 000 is an albino.What is the percentage of homozygous dominant in this population?
11. A random survey of 7th graders finds that 7 out of 10 have more than 1 hour of screen time each day. If there are 110 7th graders in your school, how many would you expect to have more than 1 hour of screen time?
12. I surveyed 100 people at a grocery store by selecting every 3rd person that entered, does this sample represent the local population?
13. Under which condition will the population size be stable?
14. The standard biological ratio at birth of 105 males to 100 females is NOT characteristic of which region?
15. The frequency of a dominant allele is 0.6. What is the frequency of its recessive allele?
16. To determine how often people eat out, every tenth person entering a fast food restaurant is surveyed.
17. The use of resources to buy, sell, produce, or consume goods and services.
18. A railway that is underground is a type of public transit system that billions of people use every year.
19. A school principal wants to see which subject the 695 students in his school liked best. Which choice BEST represents a representative sample?
20. The lunch program at Saxe is being revised to align with new nutritional standards. They send a survey out to every student in the school to learn about school lunches. Does this represent the population or a sample?
21. Individuals ..... when they work together to obtain resources.
22. What happens to a population with a lack of limiting factors (predators, disease, competition, and other factors that decrease population growth).
23. A school randomly chose ten English teachers and asked them which type of juice their students would prefer. Which reason best shows why this sample is biased?
24. Due to severe overcrowding in an Asian village, many children do not survive to reach adulthood.
25. Population and Migration are the same terms.
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