Preview Questions Horticulturist | Role Specific Skill

Question 1: How do light levels inside a greenhouse affect plant growth?

Which action should you take?

Choose only one option

Too much light increases root growth excessively

Light levels do not affect plant growth in controlled environments

Insufficient light reduces photosynthesis and plant growth

Excessive light will cause photodormancy

Question 2: How can the use of green manures enhance soil fertility in horticultural systems?

Which action should you take?

Choose only one option

By improving soil structure and increasing organic matter

By reducing soil erosion

By providing a temporary crop to harvest

By suppressing pest populations through allelopathy

Question 3: What is the primary purpose of using a double-skin greenhouse?

Which action should you take?

Choose only one option

To increase the internal humidity for plant growth

To reduce heat loss during the winter months

To prevent pest ingress and improve airflow

To reduce the need for artificial lighting

Question 4: Which of the following is the most significant environmental risk associated with over-reliance on chemical pesticides?

Which action should you take?

Choose only one option

It strengthens natural plant defenses against pests

It increases soil fertility by improving soil microbial activity

It creates a favorable environment for beneficial insects

Pesticide runoff can contaminate water sources and harm aquatic life

Question 5: What is the primary purpose of using compost in horticultural soil management?

Which action should you take?

Choose only one option

To prevent soil erosion by stabilizing the soil surface

To decrease soil pH and improve acidity

To increase organic matter and improve soil microbial activity

To add large amounts of nitrogen to the soil

Question 6: What is the recommended temperature range for optimal plant growth in a greenhouse?

Which action should you take?

Choose only one option

10-12?C (50-54?F)

30-40?C (86-104?F)

5-15?C (41-59?F)

18-25?C (64-77?F)