Quiz about Science Practice III

Question 1

Bacteria are a kind of prokaryotic cell that uses ---------- to attach to other cells.

Accepted Answer

Pili

Answer

Flagellum

Answer

Ribosome

Answer

Capsule

Question 2

A thin layer called the ....................... protects animal cells.

Accepted Answer

cell membrane

Answer

cell wall

Answer

vacuole

Answer

nucleus

Question 3

A plant cell also has a ............... that helps the cell keep its shape.

Accepted Answer

cell wall

Answer

cell membrane

Answer

chromosomes

Answer

pili

Question 4

A eukaryotic cell's chromosomes are made up of DNA, protected within the cell's ......................

Accepted Answer

nucleus

Answer

vacuole

Answer

chromosomes

Answer

cell membrane

Question 5

Green plants use pigments called ............ to make food.

Accepted Answer

chlorophyll

Answer

chrorophyee

Answer

cholorophyll

Answer

vacuole

Question 6

A ...................... is empty space within the cell that stores water and nutrients for the cell.

Accepted Answer

vacuole

Answer

nucleus

Answer

chlorophyll

Answer

cell membrane

Question 7

Which statement is NOT a main idea about cell theory?

Accepted Answer

All cells contain a nucleus and DNA.

Answer

Cells are the building unit of living things.

Answer

All cells come from other cells.

Answer

All living things are made up of cells.

Question 8

Which statement correctly identifies an advantage that reptiles gain from having scales?

Accepted Answer

Scales precent the skin from losing water.

Answer

Scales provide protection from predators.

Answer

Scales improve the speed of a moving reptile.

Answer

Scales keep embryos from drying out.

Question 9

Rabbits and horses are familiar examples of animals in the class Mammalia. Therefore, rabbits and horses are all classified into the same ..................

Accepted Answer

kingdom, phylum, and class

Answer

phylum, class, and family

Answer

class, genus, and family

Answer

kingdom, species, and order

Question 10

Humans, a class of ..................., are grouped in the order of primates, based on Linnaeus's system of classification.

Accepted Answer

mammals

Answer

reptiles

Answer

amphibians

Answer

family

Question 11

Humans are not grouped among the ............................, which include snakes and lizards.

Accepted Answer

reptiles

Answer

mammals

Answer

amphibians

Answer

none of the above

Question 12

Human, frogs, and toads are all ......................., animals that have a backbone.

Accepted Answer

vertebrates

Answer

fossil record

Answer

invertebrates

Answer

age

Question 13

Animals that begin life in the water and move to land are ...............

Accepted Answer

amphibians

Answer

reptiles

Answer

fishes

Answer

invertebrates

Question 14

Dinosaurs existed during a time period before the ..................

Accepted Answer

Age of Mammals

Answer

Age of Fishes

Answer

Fossil record

Answer

Ages of Reptiles

Question 15

It is possible for scientists to infer the time order of different early life-forms from the .........................

Accepted Answer

fossil record

Answer

animal record

Answer

research

Answer

scientists

Question 16

Which is an output from the process of photosynthesis?

Accepted Answer

Oxygen

Answer

Chloroplasts

Answer

Carbon dioxide

Answer

Water

Question 17

Which BEST describes an autotroph?

Accepted Answer

Producers that take in inorganic matter and energy to make food

Answer

Organisms that feed on inorganic and organic matter to survive

Answer

Bacteria that use the process of photosynthesis to make food

Answer

consumers that catch and eat organic matter for food

Question 18

Cellular respiration is a process that occurs in cells of organisms such as ..................... and ................

Accepted Answer

plants and animals

Answer

plants and eukaryotic

Answer

animals and eukaryotic

Answer

prokaryotic and eukaryotic

Question 19

The process burns sugars to create.................... and it occurs in the ................. of ................... cells.

Accepted Answer

ATP, mitochondria, eukaryotic

Answer

ATP, mitochondria, prokaryotic

Answer

ATP, vacuole, eukaryotic

Answer

ATP, vacuole, prokaryotic

Question 20

Which is true about asexual reproduction and sexual reproduction?

Accepted Answer

Haploid cells are created during sexual reproduction so that each sex cell has half of a chromosome pair.

Answer

Cells do not split during sexual reproduction as they do in asexual reproduction

Answer

Fertilization is a necessary step in both sexual and asexual reproduction

Answer

Meiosis is the cell division process that occurs during asexual reproduction.

Question 21

The flow of genetic information is summarized as follows:

DNA $$\rightarrow$$ mRNA $$\rightarrow$$ protein

What does the arrow between mRNA and protein represent?

Accepted Answer

Translation

Answer

Transcription

Answer

Meiosis

Answer

Mitosis

Question 22

Match each word with its definition by writing the correct letter in the blank provided.

Accepted Answer

1. e

2. a

3. f

4. c

5. b

6. d

Answer

1. a

2. b

3. c

4. d

5. e

6. f

Answer

1. f

2. e

3. d

4. c

5. b

6. a

Answer

1. e

2. f

3. c

4. a

5. b

6. d

Question 23

Which describes the correct probability of eye color based on the dominant and recessive genes?

Accepted Answer

50 percent chance that the child will have green eyes

Answer

100 percent chance that the child will have green eyes

Answer

75 percent chance that the child will have green eyes

Answer

25 percent chance that the child will have green eyes

Question 24

Question 24.

Accepted Answer

ATA-CCG-ATA-GAC-CCC-CTG

Answer

ATA-CCG-ATA-CTG-CCC-CTG

Answer

ATA-CCG-ATA-GAC-CCC-GTC

Answer

ATA-CCG-ATA-GAC-GGG-CTG

Question 25

Match each word with its definition by writing the correct letter in the blank provided.

Accepted Answer

1.c

2.e

3.f

4.g

5.a

6.d

7.b

Answer

1.c

2.e

3.f

4.a

5.g

6.d

7.b

Answer

1.c

2.e

3.g

4.b

5.f

6.d

7.b

Answer

1.a

2.e

3.f

4.c

5.g

6.b

7.d

Question 26

Which is NOT true about the respiratory system?

Accepted Answer

Removing oxygen from the body is a function of respiration.

Answer

The diaphragm expands to create suction so that air is pulled into the lungs.

Answer

The epiglottis allows air to pass into the trachea but not food.

Answer

Breathing can be due to involuntary or voluntary muscles movement.

Question 27

Which is true about the heart?

Accepted Answer

An atrium is a part of the heart that blood first enters before being passed to a ventricle.

Answer

Arteries carry blood to the heart.

Answer

The process of the heart sending blood throughout the body is called pulmonary circulation.

Answer

Oxygenated blood returns from the lungs into the right atrium.

Question 28

Which is the correct path for oxygen to reach a muscle cell in the human body?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 29

Match each word with its definition by writing the correct letter in the blank provided.

Accepted Answer

1.e

2.g

3.d

4.f

5.b

6.c

7.a

Answer

1.g

2.e

3.b

4.f

5.d

6.c

7.a

Answer

1.e

2.g

3.b

4.f

5.d

6.c

7.a

Answer

1.e

2.g

3.d

4.f

5.b

6.a

7.c

Question 30

Which is the correct order of the four main stages of food processing?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 31

Where does the digestion of proteins occur?

Accepted Answer

Stomach and small intestine

Answer

Mouth

Answer

Liver

Answer

Large intestine

Question 32

When you touch something very hot with your fingers, which BEST describes what happens?

Accepted Answer

Motor nerves connected to the autonomic system carry impulses to the brain telling it that the fingers are touching something hot. The brain signals the sensory nerves to pull the hand away to safety.

Answer

Motor nerves connected to the somatic system carry impulses to the brain telling it that the fingers are touching something hot. The brain signals the sensory nerves to pull the hand away to safety.

Answer

Sensory nerves connected to the somatic system carry impulses to the brain telling it that the fingers are touching something hot. The brain signals the motor nerves to pull the hand away to safety.

Answer

Sensory nerves connected to the autonomic system carry impulses to the brain telling it that the fingers are touching something hot. The brain signals the motor nerves to pull the hand away to safety.

Question 33

Which is NOT true about neurons in the brain?

Accepted Answer

A synapse is a message sent from one neuron to another.

Answer

Neurons are important nerve cells that send and receive messages.

Answer

Dendrites of the cell body receive messages for neurons.

Answer

Axons carry and transmit messages to other neurons.

Question 34

In the diagram, which letter identifies the axon?

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 35

In the diagram, which letter identifies the Cell body?

Accepted Answer

B

Answer

A

Answer

D

Answer

E

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