Horticulture Quiz 29 (20 MCQs)

Quiz Instructions

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1. Which of these causes more plant disease?

Correct Answer: A) Fungi.

2. National blue and Corn gold are the:

Correct Answer: B) FFA Colors.

3. Most flowers, shrubs, and lawn grasses grow best in a pH ranging from:

Correct Answer: C) 5.5 to 7.0.

4. The proper time of the year to plant warm-season lawn grasses is:

Correct Answer: B) Spring.

5. The plant part that attracts insects for pollination is the:

Correct Answer: A) Flower.

6. A tropical plant with palm-like leaves is

Correct Answer: C) Parlor palm.

7. We planted 500 Zinnia seeds in 1020 flats. If we have a 85% germination rate how many Zinnias will we need to transplant to containers?

Correct Answer: B) 425.

8. What type of nursery structure protects plants from adverse weather conditions when covered in white plastic?

Correct Answer: A) Shade house.

9. The beginning of the food chain for all living things is the process of photosynthesis. Most photosynthesis takes place in plant:

Correct Answer: B) Leaves.

10. The best tool for Becky to remove 1/4"-1/2" rose stems from her bed of roses is a/an:

Correct Answer: D) Pruning shear.

11. Phosphorus is needed in large amounts by the plant to

Correct Answer: B) Stimulate flower and seed development.

12. The "unity" landscape design principle is demonstrated by:

Correct Answer: D) Repeating plant species.

13. Mass flowers are used in floral designs to add mass and to:

Correct Answer: B) Draw attention to the focal point.

14. Plant production provides for how many American jobs?

Correct Answer: D) More than 1.9 million.

15. The tree with a fan-shaped leaf that Joan noticed in front of the bank is most likely a:

Correct Answer: A) Ginkgo.

16. In which stage of growth do plants rest or grow very little?

Correct Answer: A) Dormant.

17. Jacob learns a disadvantage of propagating using cuttings is that when cuttings are removed from the parent plant, the:

Correct Answer: B) Cuttings are cut off from their source of water.

18. Which branch of horticulture produces fruits and nuts?

Correct Answer: B) Pomology.

19. Plant is filled with moisture

Correct Answer: D) Turgid.

20. Which of the following is not one of the four distinct processes of chemical weathering?

Correct Answer: C) Hydration.