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How Do Plants Respond To Light And Gravity?
Test Description: A4.2
Instructions: Answer all questions to get your test result.
1) A plant's response to a stimulus is called a tropism.
A
True
B
False
2) Gravitropism is an adaptation that causes some plants to live longer than others.
A
True
B
False
3) Some plants have parts that can move in response to being touched.
A
True
B
False
4) If a seed lands upside down, its roots will grow upward, and may never touch the soil.
A
True
B
False
5) Phototropism is a plant's response to light.
A
True
B
False
6) A stimulus is anything that causes an organism to respond.
A
False
B
True
7) A plant bends toward the light because the cells on the side of the plant facing the light are shorter.
A
False
B
True
8) Gravitropism is an adaptation that makes sure a plant's roots grow down, and its stem grows up.
A
True
B
False
9) Gravitropism will cause the roots to respond to the pull of gravity and grow toward the soil.
A
False
B
True
10) A plant's response to a stimulus is called a function.
A
False
B
True
11) Phototropism is a plant's response to food.
A
True
B
False
12) A stimulus is anything that causes an organism to remain unchanged.
A
True
B
False
13) A plant bends toward the light because the cells on the side of the plant facing the light are fatter.
A
False
B
True
14) Some plants have parts that can move in response to a stimulus.
A
True
B
False
*select an answer for all questions
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