Gardening Quizzes

Which of the following is a main advantage of hydroponic systems compared to soil-based farming?

• Requires more water

• Reduces plant growth speed

• Allows precise control of nutrients

• Eliminates the need for light

In a nutrient film technique (NFT) hydroponic system, what continuously flows over the plant roots?

• Soil

• Nutrient-rich water solution

• Air

• Sand

Why is it important to clean net pots between crop cycles?

• To make them look new

• To prevent disease and algae buildup

• To increase their size

• To save money on fertilizers

Which of the following is commonly used to sanitize net pots after use?

• Vinegar or mild bleach solution

• Fertilizer water

• Cold tap water only

• Cooking oil

What is the first stage of seed germination called?

• Pollination

• Dormancy

• Imbibition (water absorption)

• Photosynthesis

Which factor does NOT directly affect seed germination?

• Light availability

• Temperature

• Oxygen supply

• Soil pH in hydroponics

Why is it recommended to pre-soak seeds before germination in hydroponics?

• To make them tastier

• To speed up water absorption and sprouting

• To sterilize nutrients

• To prevent root growth

Which of the following is an important principle of landscaping design?

• Random placement of plants

• Balance, proportion, and unity

• Using only one type of plant

• Avoiding seasonal variation

What is the primary purpose of hardscape elements (e.g., stones, patios, walkways) in landscaping?

• To block sunlight

• To provide structural and functional design

• To replace irrigation

• To increase soil acidity

Which type of plants are best for sustainable landscaping in dry climates?

• Tropical rainforest species

• Native drought-tolerant plants

• Water lilies

• High-water turf grasses