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7th Grade Science Common Exam Review
Test Description: Part 4
Instructions: Answer all questions to get your test result.
1) This membrane bound space is used for storage, especially in plants
A
vacuole
B
cytoplasm
C
cell membrane
D
ribosome
2) Which statement best describes how endoplasmic reticulum and ribosomes work together?
A
ribosomes produce proteins in the endoplasmic reticulum and then the proteins are transported throughout the cell
B
endoplasmic reticulum produce ribosomes which then produce the pigment that makes plants green
C
endoplasmic reticulum controls what enters and leaves the cell, while ribosomes destroy foreign invaders
D
they work together to break down food and to fight off infectious diseases
3) Which organelles are found in plant cells but not in animal cells
A
chloroplast and cell wall
B
cell membrane and centriole
C
ribosomes and lysosomes
D
endoplasmic reticulum and golgi bodies
4) What is the role of lysosomes within a cell?
A
they fight off infectious diseases
B
they produce proteins
C
they use digestive enzymes to break down food waste and worn out cell parts
D
they control what enters and leaves the cell
5) Which is the term given to a group of similar cells that work together?
A
cellulose
B
organelles
C
tissues
D
ribosomes
6) How do the lungs function within the excretory system?
A
the lungs exchange oxygen and carbon dioxide and release waste products in cells
B
the lungs absorb carbon dioxide from the air
C
the lungs exchange oxygen and carbon monoxide
D
the lungs help to release carbon dioxide while absorbing nutrients
7) Which systems work together to deliver oxygen to the cells of the body?
A
digestive and respiratory
B
muscular and circulatory
C
skeletal and digestive
D
respiratory and circulatory
8) What is the primary purpose of the excretory system?
A
it attacks diseases
B
it removes wastes
C
it collects oxygen
D
it delivers nutrients
9) How do the respiratory and circulatory systems work together?
A
the respiratory system takes in carbon dioxide, while the circulatory system delivers carbon dioxide to the cells
B
The respiratory system takes in oxygen, while the circulatory system delivers oxygen to the cells.
C
The circulatory system takes in carbon dioxide while the respiratory system delivers carbon dioxide to the cells.
D
The circulatory system takes in oxygen, while the respiratory system delivers oxygen to the cells.
10) How does smoking cigarettes affect the body?
A
it reduces the chance of cancer
B
it lowers carbon dioxide amounts
C
it causes damage to various cells
D
it improves the function of the lungs
*select an answer for all questions
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