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Cells
Test Description: Test yourself on the building blocks of life.
Instructions: Answer all questions to get your test result.
1) All energy comes from _____.
A
power plants
B
the sun
C
mitochondria
D
plants
2) A camel's metabolism slows down during a period of drought. This demonstrates which characteristic of life?
A
Living things use energy.
B
Living things have cells.
C
Living things grow and develop.
D
Living things maintain homeostasis.
3) You move your hand immediately after touching a hot pan. This demonstrates which characteristic of life?
A
Living things have cells.
B
Living things reproduce.
C
Living things use energy.
D
Living things respond.
4) Most living things on earth are _________.
A
unicellular
B
multicellular
C
eukaryotic
D
plants
5) Prokaryotic cells have a flagellum to _______.
A
obtain energy
B
make proteins
C
fight competitors
D
help them move
6) Prokaryotic cells do not have a _____.
A
nucleus
B
cell wall
C
flagellum
D
cell membrane
7) Which of the following is NOT a eukaryotic cell?
A
nerve cell
B
muscle cell
C
plant cell
D
bacteria cell
8) Which structure gives plant cells protection and holds their shape?
A
ribosome
B
cell wall
C
nucleus
D
cell membrane
9) Which structure allows nutrients to move into the cell and waste products to leave the cell?
A
cell membrane
B
ribosome
C
mitochondria
D
nucleus
10) Which organelles are responsible for making proteins, which are the building blocks for new cell parts?
A
cell wall
B
ribosomes
C
cell membrane
D
mitochondria
11) The largest organelle is the _____.
A
ribosome
B
chloroplast
C
nucleus
D
mitochondria
12) When you eat an orange, this this organelle helps to process the energy from the food.
A
nucleus
B
cell wall
C
chloroplast
D
mitochondria
13) Chloroplasts collect _______ to turn it into sugar.
A
oxygen
B
water
C
sunlight
D
glucose
14) Which cells are likely to have the greatest number of mitochondria because they need the most energy?
A
skin cells on your abdomen
B
muscle cells in the heart
C
hair cells
D
blood cells in the arteries
15) Complete the following list from smallest to largest: cell, ______, organ, organ system, organism.
A
nucleus
B
tissue
C
cellulite
D
organelle
16) What is in the nucleus?
A
gumdrops
B
ribosomes
C
phospholipids
D
DNA
17) The smallest unit of matter is ____.
A
an organ
B
a cell
C
a molecule
D
an atom
18) Which of the following is NOT made of cells?
A
skin
B
water
C
hair
D
blood
19) _________ molecules fit through the phospholipid bilayer.
A
small
B
living
C
nonliving
D
large
20) _________ molecules fit through the protein channels.
A
small
B
large
C
living
D
nonliving
*select an answer for all questions
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