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