1. Which of the following is a way that trees have been negatively impacted by human use?
a.
deforestation
b.
pollution
c.
reduction
d.
all of the above
2. In creating products from trees, only half of the tree can be used.
T
F
3. Trees are important in maintaining air quality, because they act like a filter, drawing particles from the air.
T
F
4. Which of the following best explains how trees help conserve energy and reduce pollution in cities?
a.
Trees shade buildings which reduces the use of energy derived from fossil fuels.
b.
Trees remove carbon dioxide and add oxygen the atmosphere.
c.
Trees filter particulates and polluting gases from the atmosphere.
d.
All of the above
5. The most common fiber used to make paper is _______.
a.
cloth
b.
wood
c.
hemp
d.
flax
6. Mycorrhizal fungi are _______.
a.
mutualistic root-dwelling fungi that help plants obtain more water and nutrients.
b.
mutualistic leaf-dwelling fungi that obtain sugar from plant leaves
c.
parasitic leaf-dwelling fungi that strangle plants
d.
epiphytic plants living on plant stems and leaves
7. Which of the following is not released by trees into the atmosphere?
a.
oxygen
b.
water vapor
c.
ozone
d.
none of the above
Answers
1. d
2. f
3. t
4. d
5. b
6. a
7. c
Answer:
1.Due to deforestations by humans, trees have been impacted in a negative way.
2. “In creating products from the trees, only half of the tree is used”- this is a false statement, the whole tree can be used in making different products.
3. “Trees are important for maintaining the air quality, because they act as a filter drawing particles from the air”- this is a true statement. Often it is seen that people keep house planters as well which purify the air.
4. Trees shade a building which reduces the use of energy derived from fossil fuels; they also remove carbon dioxide and add oxygen the atmosphere along with filtering particulates and polluting gases from the atmosphere. All these best explain how trees help conserve energy and reduce pollution in cities.
5. Wood is the most common fibre used to make paper.
6. Mycorrhizal fungi are mutualistic root-dwelling fungi that help plants obtain more water and nutrients.
7. Ozone is not released by trees into the atmosphere.