1. Which of the following irrigation methods is most water-efficient?
A. Drip irrigation
B. Flood irrigation
C. Furrow irrigation
D. Sprinkler irrigation
Answer: a) Drip irrigation
Rationale: Drip irrigation delivers water directly to the roots of plants,
reducing water waste and improving efficiency.
2. Which of these is a method for reducing water usage in agriculture?
A. Flood irrigation
B. Drip irrigation
C. Furrow irrigation
D. Spray irrigation
Answer: b) Drip irrigation
Rationale: Drip irrigation is more efficient in water usage, delivering
water directly to the root zone of plants with minimal evaporation.
3. Which of the following crops is primarily grown for its seeds?
A. Cotton
,B. Corn
C. Wheat
D. Soybean
Answer: b) Corn
Rationale: Corn is primarily grown for its seeds, which are used for
food, feed, and industrial products.
4. 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.
5. 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.
6. What is the major factor influencing soil erosion?
A. High soil organic matter content
B. Excessive rainfall and wind
C. Soil texture
D. Soil pH
Answer: b) Excessive rainfall and wind
Rationale: Heavy rainfall and wind are the leading causes of soil erosion
by displacing topsoil, especially in unprotected areas.
7. Which of the following is an example of a monocot plant?
A. Tomato
B. Carrot
C. Rice
D. Apple
Answer: c) Rice
Rationale: Monocots are plants that have one cotyledon in their seeds,
such as rice, corn, and grasses.
A. Drip irrigation
B. Flood irrigation
C. Furrow irrigation
D. Sprinkler irrigation
Answer: a) Drip irrigation
Rationale: Drip irrigation delivers water directly to the roots of plants,
reducing water waste and improving efficiency.
2. Which of these is a method for reducing water usage in agriculture?
A. Flood irrigation
B. Drip irrigation
C. Furrow irrigation
D. Spray irrigation
Answer: b) Drip irrigation
Rationale: Drip irrigation is more efficient in water usage, delivering
water directly to the root zone of plants with minimal evaporation.
3. Which of the following crops is primarily grown for its seeds?
A. Cotton
,B. Corn
C. Wheat
D. Soybean
Answer: b) Corn
Rationale: Corn is primarily grown for its seeds, which are used for
food, feed, and industrial products.
4. 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.
5. 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.
6. What is the major factor influencing soil erosion?
A. High soil organic matter content
B. Excessive rainfall and wind
C. Soil texture
D. Soil pH
Answer: b) Excessive rainfall and wind
Rationale: Heavy rainfall and wind are the leading causes of soil erosion
by displacing topsoil, especially in unprotected areas.
7. Which of the following is an example of a monocot plant?
A. Tomato
B. Carrot
C. Rice
D. Apple
Answer: c) Rice
Rationale: Monocots are plants that have one cotyledon in their seeds,
such as rice, corn, and grasses.
