Preview Questions Horticulturist | Role Specific Skill

Question 1: How can the use of biological control agents, like ladybugs, contribute to greenhouse pest management?

Which action should you take?

Choose only one option

They control pests such as aphids by preying on them

They directly kill weeds that compete with plants

They produce chemicals that inhibit plant growth

They provide nutrients to the soil through excretion

Question 2: Which pest is most effectively controlled using the pheromone trap method?

Which action should you take?

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Weeds and grasses

Moths and other flying insects

Slugs and snails

Root-feeding nematodes

Question 3: What is the impact of excessive nitrogen on greenhouse plant health?

Which action should you take?

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It enhances the uptake of phosphorus

It increases flowering and fruiting

It can lead to excessive vegetative growth at the expense of fruit production

It reduces the risk of pest infestations

Question 4: What is the role of potassium in soil fertility for horticultural crops?

Which action should you take?

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It helps with drought resistance and overall plant health

It promotes root development and increases seed germination rates

It fixes nitrogen in the soil

It facilitates photosynthesis and plant growth

Question 5: What is the most effective way to increase the root-to-shoot ratio in plants grown under controlled conditions?

Which action should you take?

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By increasing the amount of nitrogen in the soil

By reducing water supply and increasing root zone temperature

By reducing light intensity and increasing water supply

By increasing soil oxygen levels and temperature

Question 6: Which of the following elements is most critical for stimulating the synthesis of chlorophyll in plants?

Which action should you take?

Choose only one option

Nitrogen

Magnesium

Phosphorus

Calcium