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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
nucleus
C
cytoplasm
D
cell wall
2) Amebas are single-celled organisms that need to obtain food in order to
A
remove harmful chemicals from the environment
B
release oxygen into the air
C
protect themselves from other living things
D
get the energy they need to carry out life functions
Helpful Hint
Three living organisms are labeled in the diagram below.
3) What do the rabbit, fungus, and tree have in common?
A
They all belong to the same kingdom.
B
They are all omnivores.
C
They are all producers.
D
They are all multicellular organisms.
4) Which term identifi es a group of cells of the same type working together to perform a common function?
A
microbe
B
hormone
C
gene
D
tissue
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
chemical digestion
C
solid waste elimination
D
mechanical digestion
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
circulation of blood
B
exchange of gases
C
production of hormones
D
digestion of food
7) One function of the human excretory system is
A
removing excess heat energy from the body
B
making materials that the body cells need
C
controlling the body’s responses to stimuli
D
moving substances to and from body cells
8) Which term is used to describe the sum of all the chemical processes in the human body?
A
inheritance
B
equilibrium
C
metamorphosis
D
metabolism
9) Why is an organism that reproduces asexually genetically identical to its parent?
A
All of the offspring’s genes came from the parent.
B
All of the offspring’s genes mutated to look like the parent’s genes.
C
The offspring inherited only the parent’s dominant genes.
D
The offspring inherited only half of the parent’s 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
feeding relationships
C
selective breeding
D
habitat destruction
*select an answer for all questions
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