SS3 third Term Agricultural science past questions and answers

SS3 third Term Agricultural science past questions and answers

SS3 Agricultural Science questions with options and answers:

Question: Which of the following is a method of controlling soil erosion by plowing along the contour lines of a slope?

A. Terracing

B. Strip cropping

C. Cover cropping

D. Ridge tillage

Answer: D. Ridge tillage

Question: The process of converting atmospheric nitrogen into nitrate ions in the soil is known as:

A. Nitrification

B. Nitrogen fixation

C. Denitrification

D. Ammonification

Answer: A. Nitrification

Question: Which of the following is a cereal crop commonly used in making bread?

A. Barley

B. Rice

C. Wheat

D. Oats

Answer: C. Wheat

Question: What is the primary function of phosphorus in plants?

A. Enhance root growth

B. Photosynthesis

C. Flower and fruit development

D. Nitrogen fixation

Answer: C. Flower and fruit development

Question: The process of exposing harvested crops to smoke for preservation is known as:

A. Smoking

B. Fumigation

C. Curing

D. Drying

Answer: A. Smoking

Question: Which of the following is a method of controlling pests by releasing sterile males into the population?

A. Biological control

B. Chemical control

C. Sterile insect technique

D. Cultural control

Answer: C. Sterile insect technique

Question: What is the term for the practice of cultivating crops without the use of synthetic fertilizers and pesticides?

A. Conventional farming

B. Organic farming

C. Precision farming

D. Hydroponics

Answer: B. Organic farming

Question: Which of the following is a disease that affects cattle and is transmitted by the tsetse fly?

A. Foot-and-mouth disease

B. Brucellosis

C. Trypanosomiasis

D. Anthrax

Answer: C. Trypanosomiasis

Question: The process of removing excess water from the soil to improve aeration is called:

A. Irrigation

B. Drainage

C. Fertilization

D. Mulching

Answer: B. Drainage

Question: Which of the following is a method of weed control that involves covering the soil with a layer of organic or inorganic material?

A. Mulching

B. Herbicide application

C. Plowing

D. Cultivation

Answer: A. Mulching

Question: What is the purpose of adding potassium fertilizers to the soil?

A. Enhance flowering

B. Increase acidity

C. Improve water retention

D. Regulate water movement in plants

Answer: D. Regulate water movement in plants

Question: The process of drying and preserving grains by exposing them to hot air is known as:

A. Curing

B. Threshing

C. Aeration

D. Sun drying

Answer: A. Curing

Question: Which of the following is a method of water harvesting that involves collecting rainwater from rooftops?

A. Drip irrigation

B. Rainwater harvesting

C. Furrow irrigation

D. Sprinkler irrigation

Answer: B. Rainwater harvesting

Question: The practice of growing a single crop on a large scale is known as:

A. Monoculture

B. Polyculture

C. Crop rotation

D. Intercropping

Answer: A. Monoculture

Question: Which of the following is a leguminous cover crop that fixes nitrogen in the soil?

A. Rye

B. Buckwheat

C. Crimson clover

D. Barley

Answer: C. Crimson clover

Question: The disease that causes the wilting of plants due to a lack of water uptake is called:

A. Chlorosis

B. Wilt

C. Blight

D. Necrosis

Answer: B. Wilt

Question: What is the term for the practice of allowing a field to remain uncultivated for a certain period to restore fertility?

A. Crop rotation

B. Fallowing

C. Mulching

D. Composting

Answer: B. Fallowing

Question: Which of the following is a method of controlling pests using chemicals?

A. Biological control

B. Cultural control

C. Chemical control

D. Mechanical control

Answer: C. Chemical control

Question: The process of preserving meat by salting, smoking, or drying is known as:

A. Curing

B. Fumigation

C. Dehydration

D. Preservation

Answer: A. Curing

Question: Which of the following is a method of preventing soil erosion by leaving a field unplowed for a season?

A. Terracing

B. Contour plowing

C. Fallowing

D. Cover cropping

Answer: C. Fallowing