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