Preview Questions Horticulturist | Role Specific Skill

Question 1: Which factor is most critical for maintaining optimal humidity levels in a greenhouse?

Which action should you take?

Choose only one option

Proper ventilation and condensation control

Use of chemical dehumidifiers

Increasing the temperature inside

Regular watering of the plants

Question 2: Which of the following is an essential component of the soil nutrient cycle?

Which action should you take?

Choose only one option

Water runoff from soil surfaces

Microbial activity in the soil

Soil surface temperature fluctuations

The rate of evaporation from the soil

Question 3: What is the primary mechanism by which nitrogen promotes plant growth?

Which action should you take?

Choose only one option

It enhances the absorption of water through roots

It facilitates the breakdown of starch in plant roots

It forms part of amino acids and proteins in the plant's cells

It prevents the growth of harmful pathogens in soil

Question 4: What is the primary cause of nutrient leaching in horticultural soils?

Which action should you take?

Choose only one option

Excessive irrigation or rainfall causing nutrients to wash away

High organic matter content in the soil

Balanced fertilization practices

Proper soil aeration enhancing nutrient uptake

Question 5: Which of the following is the most important factor influencing the rate of photosynthesis in plants?

Which action should you take?

Choose only one option

Light intensity and wavelength

Soil temperature and pH

Water availability

Root structure and depth

Question 6: What is the main advantage of incorporating organic matter into soil for fertility improvement?

Which action should you take?

Choose only one option

It increases the soil's water-holding capacity and microbial activity

It increases the availability of nitrogen immediately

It leads to increased salinity over time

It adds only nutrients, without changing soil structure