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2017 Grade 8 Intermediate-Level Science Test Questions 1-10
Test Description: Use your knowledge of Science to answer all questions. Good Luck.
Instructions: Answer all questions to get your test result.
1) Which cell structure is found in plant cells, but not in animal cells?
A
cell membrane
B
cytoplasm
C
cell wall
D
nucleus
2) Amebas are single-celled organisms that need to obtain food in order to
A
release oxygen into the air
B
remove harmful chemicals from the environment
C
get the energy they need to carry out life functions
D
protect themselves from other living things
Helpful Hint
Three living organisms are labeled in the diagram below.
3) What do the rabbit, fungus, and tree have in common?
A
They are all multicellular organisms.
B
They are all omnivores.
C
They are all producers.
D
They all belong to the same kingdom.
4) Which term identifi es a group of cells of the same type working together to perform a common function?
A
tissue
B
microbe
C
hormone
D
gene
Helpful Hint
The diagram below represents graham crackers in a food processor. When the processor is turned on, the blades will break the crackers into smaller pieces.
5) Which human digestive process is most similar to this activity?
A
liquid waste elimination
B
mechanical digestion
C
chemical digestion
D
solid waste elimination
Helpful Hint
The diagrams below represent some respiratory structures in three organisms. The labeled structures in these organisms all have a similar function.
6) What is the main function of the labeled structure(s) in each organism?
A
exchange of gases
B
circulation of blood
C
production of hormones
D
digestion of food
7) One function of the human excretory system is
A
making materials that the body cells need
B
moving substances to and from body cells
C
removing excess heat energy from the body
D
controlling the body’s responses to stimuli
8) Which term is used to describe the sum of all the chemical processes in the human body?
A
metamorphosis
B
metabolism
C
equilibrium
D
inheritance
9) Why is an organism that reproduces asexually genetically identical to its parent?
A
The offspring inherited only half of the parent’s genes.
B
All of the offspring’s genes came from the parent.
C
All of the offspring’s genes mutated to look like the parent’s genes.
D
The offspring inherited only the parent’s dominant genes.
Helpful Hint
The sequence of diagrams below represents the plants present in the same area at different times over a 200-year period following a forest fire.
10) Which process is best represented by this sequence of diagrams?
A
ecological succession
B
selective breeding
C
habitat destruction
D
feeding relationships
*select an answer for all questions
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