GED Science Practice Test 12

This GED Science practice test is not related to the GED Ready Test – The Official Practice Test, produced and distributed by GED Testing Service LLC.

1. Generally, a tornado is a rotating column of air connecting the ground to

A.Cloud

B.Trade wind

C.Dry system

D.Forest

Question 1 of 17

2. A strip mining company wants to lease some land that is currently part of a national park. They promise to reclaim the land should any minerals be mined from the area, and they are willing to pay top dollar for the rights. As an ecologist, what factors would you raise with the local government?

A.the threat to local biodiversity

B.management of the land after the company leaves

C.the new jobs that would be created

D.the increased traffic in the area

Question 2 of 17

3. Climate is NOT affected by:

A.Latitude & longitude

B.Altitude

C.Nearness to mountains

D.Time of day

Question 3 of 17

4. What is a Punnett square?

A.genetic material is passed on from parent to child

B.a chart that shows all the possible combinations of alleles that can result from a genetic cross

C.a scientific study on heredity

D.a description of the unique genetic makeup of an individual

Question 4 of 17

5. Heterozygous refers to having inherited different forms of a particular gene from each parent. Which of the genotypes below is heterozygous?

1. Bb
2. BB
3. bb
4. bB

A.bB and bB

B.BB

C.bb

D.bB

Question 5 of 17

6. Calculate the mean for the following data points:
55, 87, 71,38, 19

A.54.9

B.81.5

C.54

D.75

Question 6 of 17

7. Humans have 23 pairs of chromosomes, for a total of ...

A.It depends.

B.69 chromosomes.

C.23 chromosomes.

D.46 chromosomes.

Question 7 of 17

8. A producer uses energy from the Sun to make food. Which of these is NOT a producer?

A.a flower

B.A tree

C.A cow

D.No answer is correct

Question 8 of 17

9. The measure of the amount of matter in an object is called_____.

A.mass

B.size

C.volume

D.energy

Question 9 of 17

10. A hypothesis is based on ...

A.on gut instinct or intuition

B.on scientific knowledge

C.other people’s opinions

D.It depends

Question 10 of 17

11. The term “non-renewable” means that the resource

A.Is limited in supply

B.Replenishes itself naturally

C.Burns without pollution

D.Is easily controlled by humans

Question 11 of 17

12. A dominant gene usually shows itself over a ____.

A.heterozygous gene

B.recessive gene

C.homozygous gene

D.sex-linked trait

Question 12 of 17

13. What is an example of a recessive human trait?

A.Brown eyes

B.Blue eyes

C.Curly hair

D.Dark hair

Question 13 of 17

14. Calculate the average speed of a bicycle that travels 280 m in 20 s.

A.560 m/s

B.14 m/s

C.It's not clear

D.140 m/s

Question 14 of 17

15. A tall man feeds his cow different amounts of food each day. He notices that the cows are happier on days when they receive the most food. In this situation, what is the independent variable?

A.The man’s height

B.The amount of food

C.The number of cows

D.The happiness of the cows

Question 15 of 17

16. Which of the following is an example of observation

A.This frog has green skin

B.The frog will not eat the fly

C.If the frog jumps to the right, it will land in the water

D.Frogs are like toads

Question 16 of 17

17. The cell membrane of the red blood cell will allow water, oxygen, and carbon dioxide to pass through. Because other substances are blocked from entering, this membrane is called ______.

A.non-conductive

B.semi-permeable

C.permeable

D.perforated

Question 17 of 17

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Last Updated on November 20, 2024.