GED Science Test #9

Question 1

Which of the following statements regarding sunlight is NOT correct?

Accepted Answer

Its speed is infinite.

Answer

It is used as an energy source in solar-powered calculators

Answer

It contains the colors of the rainbow.

Answer

It can be absorbed by plants.

Question 2

Which of the following human genetics claims is correct?

Accepted Answer

Half the chromosomes in a human are inherited from the mother, and half from the father.

Answer

Exposure to X-rays can have no effect on a human’s chromosomes.

Answer

A human looks 50% like the father, and 50% like the mother.

Answer

Fraternal twins are genetically more similar than siblings who are not twins

Question 3

When a chemical reaction occurs, what remains constant?

Accepted Answer

The number of atoms

Answer

The amount of solid matter

Answer

The number of molecules

Answer

The amount of gas

Question 4

Which of the following statements is NOT correct?

Accepted Answer

All organisms have a cell wall.

Answer

All organisms are made of molecules.

Answer

All organisms have genetic material.

Answer

All organisms are made of one or more cells.

Question 5

Humans have four blood types: A, B, AB, and O. Because a person with blood type A has antibodies to type B, he or she is unable to receive type B blood. A person with blood type B, on the other hand, has antibodies against type A and cannot take type A blood. An AB blood type individual has no antibodies and can get blood from anyone. A person with type O blood has both A and B antibodies and can only accept blood from people who have the same blood type. Someone with type B blood can donate based on this information.

Accepted Answer

Blood groups B and AB

Answer

Blood groups B and O

Answer

Only blood group O

Answer

Only blood group B

Question 6

Identical twins share all of their DNA. When identical twins are produced, what are they?

Accepted Answer

An egg fertilized by one sperm divides in two.

Answer

Two eggs are fertilized with two sperm cells.

Answer

The same sperm cell fertilizes two eggs.

Answer

The same egg is fertilized by two sperm cells.

Question 7

Except for the following, all of these are mammals animal

Accepted Answer

Penguins

Answer

Rabbits

Answer

Humans

Answer

Rats

Question 8

Most bacteria are unable to grow in high salt concentrations. As a consequence,

Accepted Answer

salt acts as a preservative in ham, beef jerky, and other salty foods.

Answer

people who don’t eat enough salt become anemic.

Answer

Utah’s great Salt Lake is filled with bacteria.

Answer

there are no bacteria in fresh water.

Question 9

It is possible for one species to coexist with another. Symbiosis is the term for such an arrangement. Mutualism is a type of symbiosis in which both species benefit. Commensalism describes a symbiosis that benefits one species but is neither useful nor destructive to the other. Parasitic relationships occur when one species benefits at the expense of the other. A tick is a parasite that attaches to the skin of a human or animal and feeds on its blood.

Accepted Answer

Parasitism

Answer

Coevolution

Answer

Commensalisms

Answer

Competition

Question 10

Which hormone class is required to bind to membrane-bound receptors?

Accepted Answer

Peptide hormones

Answer

Cholesterol hormones

Answer

Tyrosine derivative hormones

Answer

Steroid hormones