CRCT 7th Grade Practice

1
CRCT 7th Grade Practice

• SCIENCE

2
Which statement best describes the function of
the small intestine?

• A. It changes food into a form that can be used
  by cells in the body.
• B. It eliminates wastes and excess water from the
  body.
• C. It transports nutrients to, and wastes from,
  the cells of the body.
• D. It provides a path by which gases enter and
  leave the body.

3
Which occurs in the last stage of mitosis?

• A. The centromere splits.
• B. A mesh-like spindle develops between the two
  centrioles.
• C. The chromosomes begin to uncoil.
• D. The cell membrane divides the cytoplasm into
  two equal parts.

4
Which of the following is the simplest biological
unit?

• A. the cell
• B. the organ
• C. the tissue
• D. the organism

5
Which group needs an aquatic environment to
reproduce?

• A. amphibians
• B. birds
• C. mammals
• D. reptiles

6
Vertebrate animals that are distinguished by
internal fertilization, placental development of
the fetus, and production of maternal milk are

• A. mammals.
• B. birds.
• C. amphibians.
• D. reptiles.

7
Which type of organism is classified as a
seedless vascular plant that reproduces by
spreading spores?

• A. ferns
• B. molds
• C. yeasts
• D. mosses

8
A giraffe's long neck helps it to survive because
giraffes can

• A. eat leaves in the high branches of trees.
• B. eat grass in the fields.
• C. run away from lions.
• D. hide from tigers and other predators.

9
A species of rabbit that is found in hot desert
environments has longer ears than other rabbits.
How are long ears an advantage to desert rabbits?

• A. Long ears help the rabbit to hear rattlesnakes
  better.
• B. Blood flowing in long, thin ears is a cooling
  mechanism.
• C. The rabbit uses its long ears to signal other
  rabbits of danger.
• D. Long ears help rabbits locate mates in the
  remote desert.

10
Bacteria can cause you to have

• A. an infection.
• B. sunburn.
• C. a headache.
• D. a bruise.

11
Biomes with the shortest vegetation are usually
located in areas of

• A. low temperatures and high rainfall.
• B. high rainfall and moderate temperatures.
• C. moderate temperatures and low rainfall.
• D. low rainfall and low temperatures.

12
Diabetes is a condition associated with a
malfunction of the

• A. kidneys.
• B. pancreas.
• C. liver.
• D. gallbladder.

13
Athlete's foot and ringworm are skin infections
caused by organisms belonging to which kingdom?

• A. Monerans
• B. Protists
• C. Fungi
• D. Plants