Complete the following statement: The response of plant roots to grow in the direction of a water source is known as – a. phototropism c. gravitropism b. hydrotropism d. thigmotropism 2. Complete the following statement: The response of a plant to grow toward a light source is known as – a. gravitropism c. phototropism b. hydrotropism d. thigmotropism 3. Complete the following statement: The response of a plant to grow in the direction of gravity is known as – a. phototropism c. thigmotropism b. hydrotropism d. gravitropism 4. Plant roots are positively gravitropic; what does this mean? a. They are positively attracted to soil. b. They grow toward the direction of gravity. c. They grow away from other plant roots. d. They grow in the opposite direction to sunlight. 5. Plant shoots are positively phototropic; what does this mean? a. They grow toward a light stimulus. b. They grow toward other brightly colored plants. c. They grow away from bright sunlight. d. They reflect the majority of the wavelengths of light.
1. Complete the following statement: The response of plant roots to grow in
the direction of a water source is known as –
a. phototropism c. gravitropism
b. hydrotropism d. thigmotropism
2. Complete the following statement: The response of a plant to grow
toward a light source is known as –
a. gravitropism c. phototropism
b. hydrotropism d. thigmotropism
3. Complete the following statement: The response of a plant to grow in the
direction of gravity is known as –
a. phototropism c. thigmotropism
b. hydrotropism d. gravitropism
4. Plant roots are positively gravitropic; what does this mean?
a. They are positively attracted to soil.
b. They grow toward the direction of gravity.
c. They grow away from other plant roots.
d. They grow in the opposite direction to sunlight.
5. Plant shoots are positively phototropic; what does this mean?
a. They grow toward a light stimulus.
b. They grow toward other brightly colored plants.
c. They grow away from bright sunlight.
d. They reflect the majority of the wavelengths of light.
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