GED Science Practice Tests With A Timer 9

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. 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 1 of 20

2. A type of gene that can be hidden is called

A.allele

B.dominant

C.recessive

D.chromosome

Question 2 of 20

3. Climate is NOT affected by:

A.Latitude & longitude

B.Altitude

C.Nearness to mountains

D.Time of day

Question 3 of 20

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

A.54.9

B.81.5

C.54

D.75

Question 4 of 20

5. Which of the following is NOT characteristic of metals?

A.Hard

B.Malleable

C.Bad conductors of heat

D.Good conductors of electricity

Question 5 of 20

6. Heterozygous is when...

A.the alleles are different

B.the alleles are the same

C.the alleles are present

D.the alleles are absent

Question 6 of 20

7. The sex chromosomes carry genes that determine whether a person is male or female. They also carry genes that determine other traits.

A.True

B.False

C.It depends

D.I don't know

Question 7 of 20

8. Find the resultant force (F) developed by a speed boat engine, if the boat has a mass of 300 kg and can accelerate at a rate of 1.5 m/s².Use the formula:  F = m • a

a = 1.5 m/s²

m = 300 kg

A.450 kg

B.600 kg

C.600 N

D.450 N

Question 8 of 20

9. Average speed equals…

A.Distance + Time

B.It depends

C.Time/Distance

D.Distance/Time

Question 9 of 20

10. Calculate the average speed of a bicycle that travels 100 m in 20 s.

A.10 m/s

B.5 m/s

C.It's not clear

D.120 m/s

Question 10 of 20

11. All matter is made of what?

A.electrons

B.compounds

C.energy

D.atoms

Question 11 of 20

12. An object at rest will _______ if no outside forces are applied.

A.Decrease mass

B.Stay at rest

C.Increase velocity

D.It depends

Question 12 of 20

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

A.Cloud

B.Trade wind

C.Dry system

D.Forest

Question 13 of 20

14. Xylem carries water and nutrients from the soil, up into the leaves. The water is used to carry out photosynthesis, the products of which are sugar and oxygen.

If the xylem in a young tree is damaged, which process is first affected?

A.transporting sugar to the roots

B.transporting water to the leaves

C.absorbing water from the soil

D.performing photosynthesis

Question 14 of 20

15. What is the main function of leaves?

A.Leaves create a barrier that prevents water in the plant's tissues from evaporating.

B.Leaves provide support for growth and a place to store food.

C.Leaves provide a place for photosynthesis to occur.

D.Leaves absorb water and minerals and transport nutrients to the stem.

Question 15 of 20

16. The immune system helps to defend the body from disease. True or False?

A.False

B.True

Question 16 of 20

17. ....  allele is the type of gene that always shows itself when present.

A.homozygous

B.dominant

C.phenotype

D.genotype

Question 17 of 20

18. When a dominant allele is present, the offspring will show  ….  characteristics.

A.dominant

B.homozygous

C.recessive

D.It's not clear

Question 18 of 20

19. Temperature is a measurement of an object’s

A.Heat energy

B.Gravitational energy

C.Potential energy

D.Chemical energy

Question 19 of 20

20. What is Probability?

A.Many generations that have the same traits

B.A characteristic that an organism can pass on to its offspring through its genes

C.Physical characteristics from the parents' offspring

D.Probability is a number that describes how likely it is that an event will occur

Question 20 of 20

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Last Updated on November 20, 2024.