SS2 third Term Agricultural science past questions and answers

SS2 third Term Agricultural science past questions and answers

Agricultural science questions with options and answers:

Question: Which of the following is a method of preventing soil erosion that involves planting crops in a series of steps on a slope?

a) Crop rotation

b) Contour bunding

c) Terracing

d) Mulching

Answer: c) Terracing

Question: What is the primary purpose of using cover crops in agriculture?

a) Pest control

b) Fertilizer application

c) Soil protection and improvement

d) Weed eradication

Answer: c) Soil protection and improvement

Question: In plant reproduction, what structure develops into the fruit?

a) Ovule

b) Stamen

c) Ovary

d) Sepal

Answer: c) Ovary

Question: Which of the following is a micronutrient essential for plant growth?

a) Nitrogen

b) Phosphorus

c) Iron

d) Potassium

Answer: c) Iron

Question: What is the purpose of crop rotation in sustainable agriculture?

a) Weed control

b) Pest control

c) Soil fertility maintenance

d) Water conservation

Answer: c) Soil fertility maintenance

Question: Which farming practice involves raising aquatic organisms such as fish and shrimp together with crops?

a) Hydroponics

b) Aquaculture

c) Aeroponics

d) Silvopasture

Answer: b) Aquaculture

Question: What is the role of phosphorus in plant growth?

a) Enhance flowering

b) Improve root growth

c) Increase photosynthesis

d) Boost energy transfer

Answer: b) Improve root growth

Question: Which of the following is a factor affecting soil fertility?

a) Soil texture

b) Crop rotation

c) Irrigation

d) Soil pH

Answer: a) Soil texture

Question: What is the term for the process of turning and breaking up soil using a plow?

a) Harrowing

b) Cultivation

c) Tilling

d) Mulching

Answer: c) Tilling

Question: Which of the following is a cold-season crop?

a) Tomato

b) Potato

c) Carrot

d) Cabbage

Answer: d) Cabbage

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

a) Reduce soil erosion

b) Increase soil acidity

c) Improve soil structure and fertility

d) Enhance water retention

Answer: c) Improve soil structure and fertility

Question: In plant nutrition, what is the function of magnesium?

a) Chlorophyll synthesis

b) Root development

c) Flower formation

d) Nitrogen fixation

Answer: a) Chlorophyll synthesis

Question: What is the purpose of using pesticides in agriculture?

a) Soil fertility improvement

b) Disease prevention

c) Weed control

d) Irrigation

Answer: c) Weed control

Question: Which of the following is a greenhouse gas emitted from rice paddies?

a) Oxygen

b) Carbon dioxide

c) Methane

d) Nitrous oxide

Answer: c) Methane

Question: What is the term for the process of transferring pollen from the male to the female reproductive organs of a flower?

a) Germination

b) Fertilization

c) Pollination

d) Seed dispersal

Answer: c) Pollination

Question: Which farming method involves growing crops without soil, using air or mist to deliver nutrients?

a) Hydroponics

b) Aeroponics

c) Aquaponics

d) Organic farming

Answer: b) Aeroponics

Question: What is the purpose of applying fungicides in agriculture?

a) Weed control

b) Disease control

c) Soil fertility improvement

d) Insect control

Answer: b) Disease control

Question: Which of the following is a method of water conservation in agriculture that involves collecting rainwater for later use?

a) Drip irrigation

b) Rainwater harvesting

c) Flood irrigation

d) Furrow irrigation

Answer: b) Rainwater harvesting

Question: What is the primary function of the ovule in plant reproduction?

a) Pollination

b) Fertilization

c) Seed dispersal

d) Photosynthesis

Answer: b) Fertilization

Question: In agriculture, what is the term for the removal of excess water from the soil to prevent waterlogging?

a) Irrigation

b) Drainage

c) Subsoiling

d) Mulching

Answer: b) Drainage