Indiana Science Grade 7

Chapter 3: Cell Processes

Cell Processes

1.
What stops the process of diffusion in cells?
A)elements
B)equilibrium
C)vesicles
D)respiration
2.
What is produced as a result of respiration?
A)sugars and oxygen
B)carbon dioxide and water
C)hydrochloric acid and sodium
D)phosphorous and starch
3.
Some one-celled organisms take in food through __________.
A)mitosis
B)endocytosis
C)lipids
D)enzymes
4.
Which two elements make up most of your body?
A)oxygen and carbon
B)sulfur and gold
C)chlorine and magnesium
D)calcium and silver
5.
Why are plants green?
A)They contain milk.
B)They contain eggs and sperm.
C)They contain marrow.
D)They contain chlorophyll.
6.
Which of these is a waste product of fermentation?
A)DNA
B)lactic acid
C)carbohydrates
D)water
7.
At least 60 percent of a human’s body weight consists of water. About how many pounds of water does a 140-pound person's body have?
A)840
B)140
C)84
D)48
8.
Which of these processes releases energy?
A)fermentation
B)respiration
C)diffusion
D)exocytosis
9.
Which of these is a form of energy?
A)heat
B)snails
C)atoms
D)air
10.
__________ is probably the most important inorganic compound for organisms.
A)Sodium bicarbonate
B)Water
C)A lipid
D)A carbohydrate
11.
Which of these is matter?
A)heat
B)rocks
C)nuclear power
D)sunlight
12.
Which of these is an example of passive transport?
A)RNA
B)ions
C)endocytosis
D)osmosis
13.
What is the transport and storage structure in a cell's cytoplasm?
A)nucleus
B)inorganic compounds
C)cell membrane
D)vesicles
14.
When two or more substances mix evenly, they form a __________.
A)solution
B)producer
C)chloroplast
D)vesicle
15.
__________ allows some things to enter and leave cells, while keeping other things in the cell or keeping other things out of the cell.
A)A selectively permeable membrane
B)Osmosis
C)Fermentation
D)Metabolism
16.
Which of these is an inorganic compound?
A)fats
B)sugars
C)phospholipids
D)hydrochloric acid
17.
Genetic material is found in which organic compound?
A)proteins
B)sodium bicarbonate
C)carbohydrates
D)nucleic acid
18.
Which of these is an organic compound?
A)lipids
B)potassium chloride
C)water
D)calcium phosphate
19.
Which process happens when vesicles release their contents outside the cell?
A)passive transport
B)exocytosis
C)photosynthesis
D)chemical reactions
20.
Organisms that cannot make their own food are called __________.
A)mixtures
B)nucleic acids
C)biodegradables
D)consumers
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