. A substance in the air that is given-off by trees and is beneficial to human beings. *
1 point
A. carbon dioxide
B. carbon monoxide
C. erosion
D. oxygen
2. Kim wanted to gain more profit in selling his seedlings from his nursery by piece. What method of marketing seedlings Kim used? *
1 point
A. cooperatives
B. middleman
C. retail
D. wholesale
3. This is one of the products of trees made from fiber and harvested from wood pulp. *
1 point
A. paper
B. rubber
C. turpentine
D. wood
4. The following are some importance of marketing seedlings. Which among the choices are correct? *
1 point
Captionless Image
A. I, III, IV
B. II, III, IV
C. I, II, IV
D. I, II, III
5. Processed wood from planted trees that is used to construct houses for man and animals. *
1 point
A. lumber
B. paper
C. pulp
D. rubber
6. _____ are erect plants with single woody stem and it plays a very important role in our ecological balance. *
1 point
A. flower
B. shrub
C. tree
D. vine
7. The following are benefits in planting trees and fruit-bearing trees except one. *
1 point
A. They serve as valuable wildlife habitat.
B. Trees cause erosion.
C. They prevent lake and river sedimentation.
D. They provide shade and fresh air around the house and along the streets and surroundings.
8. Trees take in _____ from factories and motorized vehicle emissions. *
1 point
A. carbon dioxide
B. oxygen
C. soil erosion
D. sulfur dioxide
9. The root system of the trees holds water in the soil that prevents _____. *
1 point
A. carbon dioxide
B. noise pollution
C. soil erosion
D. strong winds
10. Trees are valuable to people and community. Which of the following is not a product from trees? *
1 point
A. food like fruits, vegetables and nuts
B. fiber to produce pulp and paper
C. wood used as fuel for cooking and heating
D. chemical products such as pesticide and insecticide