Cell Theory Question Preview (ID: 37612)
8th Grade Review.
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A group of cells working together to perform a certain function is called
a) an organ
b) a tissue
c) an organism
d) a cell
Which structure’s main function is to produce food (sugar) in a plant?
a) flower
b) leaf
c) root
d) seed
An organism that contains chloroplasts is able to produce food by the process of
a) respiration
b) photosynthesis
c) reproduction
d) digestion
Which sequence lists the hereditary material found inside cells from the smallest unit to the largest unit?
a) chromosome → gene → nucleus
b) chromosome → nucleus → gene
c) gene → nucleus → chromosome
d) gene → chromosome → nucleus
A student viewing a cell with a microscope observes a cell wall, a cell membrane, and a nucleus. The presence of these structures indicates that the student is looking at a cell from a
a) rabbit
b) carrot
c) worm
d) fly
Which process is responsible for the growth and repair of human tissue?
a) evolution
b) germination
c) cell division
d) natural selection
A major function of a plant’s roots is to
a) produce flowers
b) release oxygen
c) transport carbon dioxide
d) take in water
Specialized cells protect the human body from disease-causing microbes by
a) producing chemicals that destroy the microbes
b) dissolving wastes from the microbes
c) creating recessive genes in the microbes
d) supplying oxygen and nutrients to the microbes
Abnormal cell division may result in
a) disease prevention
b) tissue repair
c) metamorphosis
d) cancer
A structure that carries a single unit of hereditary information is a
a) pedigree chart
b) sex cell
c) tissue
d) gene
Dogs and cats are animals that have many similar body structures but they do not mate with each other. These two animals are classified in
a) the same kingdom and the same species
b) the same kingdom, but different species
c) different kingdoms, but the same species
d) different kingdoms and different species
A single human body cell typically contains thousands of
a) chloroplasts
b) nuclei
c) genes
d) bacteria
A green plant absorbs light. A frog eats flies. These are both examples of how organisms
a) excrete waste
b) obtain energy
c) escape predators
d) produce offspring
What are genes composed of?
a) offspring
b) DNA
c) cells
d) traits
In all of these organisms, which microscopic structures carry out the major life functions?
a) chloroplasts
b) cells
c) wings
d) antennae
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