Focus On Life Science: California Grade 7

Chapter 1: Cell Structure and Function

Standards Review

1.
Which is NOT a main idea of the cell theory? 1.a
A)An egg contains a miniature version of the adult organism.
B)All new cells come from preexisting cells.
C)The cell is the smallest unit of life.
D)All organisms are made of one or more cells.
2.
Which is NOT one of the 6 main kinds of atoms that make up the molecules of living things? 1.a
A)nitrogen
B)carbon
C)lead
D)sulfur
3.
What substance makes up most of your body's mass? 1.b
A)carbon
B)water
C)oxygen
D)salt
4.
Sugar, starch, cellulose, and chitin are all types of __________. 1.a
A)lipids
B)carbohydrates
C)nucleic acids
D)proteins
5.
What is a difference between the cell membrane and the cell wall? 1.a
A)The cell wall is found only in animals, while the cell membrane is found in plant cells.
B)The cell wall is selectively permeable, but the cell membrane allows substances to pass through freely.
C)The cell membrane is selectively permeable, but the cell wall allows substances to pass through freely.
D)The cell wall is found only in plant cells, and the cell membrane is found only in animal cells.
6.
What is the function of both cilia and flagella? 1.a
A)movement
B)make food
C)store water
D)release energy
7.
Which is found in both plant and animal cells? 1.a, 1.b
A)central vacuole
B)chloroplast
C)cell wall
D)ribosomes
8.
Which is a true statement about ribosomes? 1.a
A)Ribosomes are surrounded by a membrane.
B)Ribosomes are found on both smooth and rough endoplasmic reticulum.
C)Ribosomes build proteins.
D)Ribosomes are made in the cell membrane.
9.
Which organelle is called the power plant of the cell? 1.d
A)golgi apparatus
B)mitochondrion
C)nucleus
D)ribosome
10.
Which organelle does the cell use for storage? 1.a
A)vacuole
B)chromosome
C)endoplasmic reticulum
D)lysosome
11.
Which is NOT a function of the cell wall? 1.b
A)protect the cell
B)provide the cell with support
C)give the cell its shape
D)regulate what enters the cell
12.
What type of cells do NOT have a nucleus and other membrane-bound organelles? 1.a
A)eukaryotic cells
B)prokaryotic cells
C)plant cells
D)animal cells
13.
Which process produces ATP without the use of oxygen? 1.a
A)lactic acid fermentation
B)photosynthesis
C)glycolysis
D)cellular respiration
14.
What contains the genetic information? 1.c, 2.e
A)cell membrane
B)central vacuole
C)cell wall
D)chromosome
15.
How many ATP molecules are available to a cell during lactic acid fermentation? 1.a
A)6 ATP
B)2 ATP
C)20 ATP
D)36 ATP
Grade 7
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