Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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Nonvascular plants differ from vascular plants in a. | How they make
food. | b. | Where they obtain water and
nutrients. | c. | How they transport water and
nutrients. | d. | How they reproduce. | | |
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2.
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What
happens in the phloem? a. | Water moves up. | b. | Food moves
down. | c. | Food moves up. | d. | Water moves
down. | | |
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3.
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All
angiosperms a. | produce
cones | b. | produce fruits | c. | are
seedless | d. | are tropical | | |
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4.
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What
characteristics do all gymnosperms share? a. | They live only in hot, dry climates. | b. | They produce
naked seeds. | c. | They are trees. | d. | They grow
cones. | | |
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5.
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The
reproductive structures of gymnosperms are called a. | pollen. | b. | ovules. | c. | cones. | d. | sperm
cells. | | |
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6.
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The
raw materials of photosynthesis are a. | sugar and water | b. | sugar and
oxygen | c. | carbon dioxide and oxygen | d. | carbon dioxide
and water | | |
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7.
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Directions: Use the diagram to answer the question.
The flowers in
the drawing above are demonstrating a. | a negative plant tropism | b. | phototropism | c. | thigmotropism | d. | a
gynosperm | | |
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8.
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How
do sponges reproduce sexually? a. | Sperm from a sponge fertilize eggs in the same
sponge. | b. | Water carries sperm from one sponge to eggs in another
sponge. | c. | Water carries eggs from one sponge to sperm in another
sponge. | d. | Eggs are fertilized by sperm within the sponge's collar
cells. | | |
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9.
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Which
of these characteristics is shared by all worms? a. | They have a digestive system that is a
tube. | b. | They are parasites. | c. | They live in
soil. | d. | They have sense organs. | | |
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10.
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Directions: Use the diagram to answer the question.
How does an
echinoderm use structures A and B? a. | To defend itself from predators. | b. | To regenerate
broken limbs. | c. | To sense when food is near. | d. | To capture food
and move. | | |
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11.
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At
some point in its life, each chordate has a flexible supporting rod in its back called
a a. | notochord | b. | gill | c. | nerve cord | d. | backbone | | |
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12.
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Which
of the following fish has a skeleton made of hard bone? a. | A
shark | b. | A ray | c. | A
goldfish | d. | A hagfish | | |
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13.
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Most
adult amphibians can obtain oxygen through a. | gills and lungs | b. | gills and thin,
moist skin | c. | lungs and thin, moist skin | d. | lungs
only | | |
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14.
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Directions: Use the chart to answer questions 14 and
15.
To which class of chordates does animal C belong? a. | Birds | b. | Amphibians | c. | Mammals | d. | Reptiles | | |
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15.
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What
characteristic tells you that animal A is a mammal? a. | It lacks the
ability to fly. | b. | It lays eggs. | c. | It has a
bill. | d. | It has a diaphragm. | | |
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16.
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Which
characteristic is NOT common to all mammals? a. | They are
ectotherms. | b. | Their hearts have four chambers. | c. | Their skin is
covered with hair or fur. | d. | Their young are fed with milk produced in the mother's
body. | | |
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17.
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Directions: Use the diagram to answer questions 17 through
19.
Which organisms are the top-level consumers in this food
web? a. | Wheat, carrots,
shrubs, and trees. | b. | Mice, rabbits, grasshoppers, and deer | c. | Moles, snakes,
and frogs | d. | Hawks and coyotes | | |
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18.
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Which
animal population would probably decrease if all the grasshoppers were killed? a. | Snake | b. | Frog | c. | Mouse | d. | Coyote | | |
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19.
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Which
food chain would cease to exist if all the flowering shrubs were destroyed? a. | Deer coyote | b. | Mice snake hawk | c. | Grasshopper frog hawk | d. | None of the above | | |
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Short Answer
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20.
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21.
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22.
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23.
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24.
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You
want to find out which brand of plastic cement is the strongest. First you buy two of the most
popular brands -- Super Stick and Mighty Stick.
Next you get 4
pieces of plastic. You take 2 of the pieces and put a lot of Super Stick on them and squeeze them
together for 5 minutes. Then you take the other two pieces of plastic and put a small dab of Mighty
Stick on both pieces and squeeze them together for 3 minutes. In the morning you try to pull the
pieces of plastic apart. First you pull on the pieces that were joined together by Super Stick. You
cannot pull them apart. Then you pull on the pieces held together by Mighty Stick and they come apart
easily.
1. Can you conclude that Super Stick is stronger than
Mighty Stick? If yes, why? If no, why?
2. What
variables need to be controlled?
3. What is the manipulated variable?
4. What is the responding variable?
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25.
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Amy
wanted to find out if the temperature of water affected plant growth. For her experiment she used 24
plants. She divided them into six groups of four plants each. She watered one group with hot water,
one with lukewarm water, one with water from the tap, and one with ice
water.
List the variables Amy needs to control in her
experiment:
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26.
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Wayne
likes to drink hot chocolate. Therefore, he decided to find out what kind of cup would keep chocolate
hot for the longest time. He tested cups made of Styrofoam, glass, metal, pottery, and
plastic.
List the variables Wayne needs to control in his
experiment:
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27.
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Lisa
arrived at school and went directly to her life science class. Her teacher gave Lisa three small corn
plants of equal size and asked Lisa how water might affect their growth. Lisa measured the plants and
found them each to be 8 milliliters tall. She marked the pots for the plants 1, 2, and 3. Each
morning for 10 days she sprayed plant 1 with a little bit of water, plant 2 with more water, and
plant 3 with the most water. She exposed plant 1 to 2 hours of sunlight, plant 2 to 3 hours of
sunlight, and plant 3 to 4 hours of sunlight. She memorized all of these facts. At the end of the 10
days, Lisa again measured the plants and found that plant 1 was 5 inches tall, plant 2 was 6 inches
tall, and plant 3 was 2 inches tall. Lisa concluded that corn plants grew best when given a moderate
amount of water.
1. What was wrong with Lisa's first measurement of the
plants?
2. What was wrong with Lisa's water spraying
procedure?
3. What should Lisa have done with her data rather
than committing it to memory?
4. What was
wrong with Lisa's measurements at the end of 10 days?
5. What was wrong with Lisa's conclusion?
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