Life Science: Life's Structure and Function, Book A

Section 3: Energy of Life

Self-Check Quiz-Eng.

1.
You use a washing machine to get dirt off of your clothes. The machine is like __________ in cells.
A)proteins
B)enzymes
C)glucose
D)carbon
2.
Metabolism is the total of all __________ in an organism.
A)chemical reactions
B)organic compounds
C)ions
D)fats
3.
Plants make food through __________.
A)osmosis
B)atoms
C)photosynthesis
D)nitrogen
4.
Why are plants green?
A)They contain marrow.
B)They contain chlorophyll.
C)They contain milk.
D)They contain eggs and sperm.
5.
Which of these processes releases energy?
A)diffusion
B)fermentation
C)exocytosis
D)respiration
6.
Which of these is a waste product of fermentation?
A)DNA
B)water
C)carbohydrates
D)lactic acid
7.
What is produced as a result of respiration?
A)sugars and oxygen
B)carbon dioxide and water
C)phosphorous and starch
D)hydrochloric acid and sodium
8.
Organisms that cannot make their own food are called __________.
A)mixtures
B)consumers
C)biodegradables
D)nucleic acids
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