1. What does the term "green manure" refer to?
A. The use of animal manure in gardens
B. Cover crops used to improve soil health
C. Synthetic fertilizers
D. Green plant-based fertilizers
Answer: b) Cover crops used to improve soil health
Rationale: Green manure refers to crops grown specifically to improve
soil fertility, often by adding organic matter and nutrients when
incorporated into the soil.
2. Which of the following nutrients is most commonly deficient in
soils?
A. Nitrogen
B. Calcium
C. Sulfur
D. Potassium
Answer: a) Nitrogen
Rationale: Nitrogen is one of the most essential nutrients for plant
growth, and it is often deficient in soils because it is easily leached away
by rainwater.
,3. What is the role of photosynthesis in plants?
A. To absorb carbon dioxide
B. To produce food for the plant
C. To release oxygen into the air
D. To absorb nutrients from the soil
Answer: b) To produce food for the plant
Rationale: Photosynthesis allows plants to convert light energy into
chemical energy, producing glucose, which is used as food.
4. Which of the following is an example of an animal-based fertilizer?
A. Compost
B. Bone meal
C. Green manure
D. Mulch
Answer: b) Bone meal
Rationale: Bone meal is an animal-based fertilizer made from ground
bones, providing a source of phosphorus and calcium for plants.
5. What is the term for the movement of water through plants from
roots to leaves?
A. Absorption
B. Transpiration
, C. Photosynthesis
D. Evaporation
Answer: b) Transpiration
Rationale: Transpiration is the process by which water is absorbed by
plant roots, moved through the plant, and evaporates from the leaves
into the atmosphere.
6. Which of the following is a common symptom of nitrogen deficiency
in plants?
A. Yellowing of leaves
B. Stunted growth
C. Leaf curl
D. Brown leaf spots
Answer: a) Yellowing of leaves
Rationale: Nitrogen deficiency often leads to yellowing of older leaves,
a condition known as chlorosis.
7. Which type of pest control involves using natural predators to
manage pests?
A. Biological control
B. Chemical control
C. Cultural control
D. Mechanical control
A. The use of animal manure in gardens
B. Cover crops used to improve soil health
C. Synthetic fertilizers
D. Green plant-based fertilizers
Answer: b) Cover crops used to improve soil health
Rationale: Green manure refers to crops grown specifically to improve
soil fertility, often by adding organic matter and nutrients when
incorporated into the soil.
2. Which of the following nutrients is most commonly deficient in
soils?
A. Nitrogen
B. Calcium
C. Sulfur
D. Potassium
Answer: a) Nitrogen
Rationale: Nitrogen is one of the most essential nutrients for plant
growth, and it is often deficient in soils because it is easily leached away
by rainwater.
,3. What is the role of photosynthesis in plants?
A. To absorb carbon dioxide
B. To produce food for the plant
C. To release oxygen into the air
D. To absorb nutrients from the soil
Answer: b) To produce food for the plant
Rationale: Photosynthesis allows plants to convert light energy into
chemical energy, producing glucose, which is used as food.
4. Which of the following is an example of an animal-based fertilizer?
A. Compost
B. Bone meal
C. Green manure
D. Mulch
Answer: b) Bone meal
Rationale: Bone meal is an animal-based fertilizer made from ground
bones, providing a source of phosphorus and calcium for plants.
5. What is the term for the movement of water through plants from
roots to leaves?
A. Absorption
B. Transpiration
, C. Photosynthesis
D. Evaporation
Answer: b) Transpiration
Rationale: Transpiration is the process by which water is absorbed by
plant roots, moved through the plant, and evaporates from the leaves
into the atmosphere.
6. Which of the following is a common symptom of nitrogen deficiency
in plants?
A. Yellowing of leaves
B. Stunted growth
C. Leaf curl
D. Brown leaf spots
Answer: a) Yellowing of leaves
Rationale: Nitrogen deficiency often leads to yellowing of older leaves,
a condition known as chlorosis.
7. Which type of pest control involves using natural predators to
manage pests?
A. Biological control
B. Chemical control
C. Cultural control
D. Mechanical control
