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2021 (v202) 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) In addition to cytoplasm, most human body cells also have
A
genetic material and a cell membrane
B
chloroplasts and a cell membrane
C
genetic material and a cell wall
D
In addition to cytoplasm, most human body cells also have
2) When a plant dies, the materials in the plant
A
are recycled by decomposers
B
react with carbon dioxide
C
usually become fossils
D
are lost forever
3) Which sequence represents increasing levels of organization in the human body?
A
cell → tissue → organ → organ system
B
organ → organ system → cell → tissue
C
organ → cell → organ system → tissue
D
cell → organ → tissue → organ system
4) The breaking down of food in the human digestive system is both chemical and
A
geothermal
B
potential
C
mechanical
D
electrical
5) Which substance is produced during cellular respiration?
A
vitamins
B
carbon dioxide
C
oxygen
D
sugar
6) Which human organ system removes liquid and gaseous waste from the body?
A
endocrine
B
muscular
C
excretory
D
nervous
7) Chemicals that regulate and control human body functions are known as
A
elements
B
carbohydrates
C
fats
D
hormones
Helpful Hint
The sequence below represents the organization of the genetic information in the nucleus of a cell. One term in the sequence is represented by X. :- DNA → X → chromosome
8) The X in the sequence most likely represents a
A
gene
B
mutation
C
clone
D
protein
9) The sum of all chemical reactions in an organism is called
A
metabolism
B
respiration
C
adaptation
D
exercise
10) Which process takes place within chloroplasts?
A
sexual reproduction
B
photosynthesis
C
cellular division
D
metamorphosis
*select an answer for all questions
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