SS3 second Term Agricultural science past questions and answers

SS3 second Term Agricultural science past questions and answers

SS3 Agricultural Science questions with options and answers:

Question: Which of the following is a cool-season legume used as a cover crop?

A. Alfalfa

B. Peas

C. Cowpea

D. Lentils

Answer: B. Peas

Question: What is the primary purpose of a seed drill in agriculture?

A. Seed storage

B. Seed planting

C. Weed control

D. Irrigation

Answer: B. Seed planting

Question: The method of breeding that involves the controlled pollination of plants to produce desirable traits is called:

A. Cloning

B. Hybridization

C. Mutation

D. Vegetative propagation

Answer: B. Hybridization

Question: Which of the following is a greenhouse gas associated with the burning of fossil fuels in agriculture?

A. Carbon dioxide

B. Methane

C. Nitrous oxide

D. Ozone

Answer: A. Carbon dioxide

Question: The practice of growing two or more crops simultaneously in the same field is known as:

A. Monoculture

B. Polyculture

C. Crop rotation

D. Intercropping

Answer: D. Intercropping

Question: What is the primary purpose of a plow in agriculture?

A. Seed planting

B. Soil cultivation

C. Irrigation

D. Weed control

Answer: B. Soil cultivation

Question: The process of converting organic waste into valuable fertilizer is called:

A. Composting

B. Incineration

C. Landfilling

D. Disposal

Answer: A. Composting

Question: Which of the following is a macronutrient essential for the synthesis of chlorophyll?

A. Calcium

B. Magnesium

C. Sulfur

D. Potassium

Answer: B. Magnesium

Question: The disease characterized by the yellowing of plant leaves due to a deficiency of iron is called:

A. Chlorosis

B. Necrosis

C. Blight

D. Wilt

Answer: A. Chlorosis

Question: Which of the following is a method of organic pest control involving the release of natural predators?

A. Herbicide application

B. Biological control

C. Fumigation

D. Pheromone trapping

Answer: B. Biological control

Question: The process of separating harvested grains from chaff and straw is known as:

A. Threshing

B. Winnowing

C. Harvesting

D. Sowing

Answer: B. Winnowing

Question: What is the purpose of adding organic matter to the soil?

A. Increase acidity

B. Improve drainage

C. Enhance fertility

D. Reduce aeration

Answer: C. Enhance fertility

Question: The practice of cultivating crops without disturbing the soil through plowing or tillage is called:

A. No-till farming

B. Conventional farming

C. Organic farming

D. Hydroponics

Answer: A. No-till farming

Question: Which of the following is a tuberous root crop?

A. Carrot

B. Potato

C. Onion

D. Radish

Answer: B. Potato

Question: The method of irrigation that involves supplying water directly to the roots of plants is called:

A. Drip irrigation

B. Sprinkler irrigation

C. Flooding

D. Furrow irrigation

Answer: A. Drip irrigation

Question: What is the purpose of a combine harvester in agriculture?

A. Planting seeds

B. Harvesting and threshing

C. Soil cultivation

D. Weed control

Answer: B. Harvesting and threshing

Question: The process of artificially inducing germination in seeds before planting is known as:

A. Threshing

B. Scarification

C. Stratification

D. Germination

Answer: B. Scarification

Question: Which of the following is a method of soil conservation involving the planting of trees along contours?

A. Crop rotation

B. Agroforestry

C. Terracing

D. Fallowing

Answer: B. Agroforestry

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

A. Improve water retention

B. Enhance root growth

C. Promote flowering

D. Boost plant growth

Answer: D. Boost plant growth

Question: The process of exposing harvested crops to the sun to reduce moisture content is known as:

A. Harvesting

B. Curing

C. Drying

D. Threshing

Answer: C. Drying