Jss3 second term Agricultural Science past questions and answers

Question: Which gas is essential for the process of photosynthesis?

a) Oxygen

b) Carbon dioxide

c) Nitrogen

d) Hydrogen

 

Answer: b) Carbon dioxide

 

Question: What is the term for the male reproductive part of a flower?

 

a) Ovary

b) Stamen

c) Pistil

d) Sepal

 

Answer: b) Stamen

 

Question: What is the primary function of the root hairs in plants?

 

a) Photosynthesis

b) Water absorption

c) Pollination

d) Fruit formation

 

Answer: b) Water absorption

 

Question: Which of the following is a micronutrient for plants?

 

a) Nitrogen

b) Phosphorus

c) Iron

d) Potassium

 

Answer: c) Iron

 

Question: What is the role of nitrogen-fixing bacteria in soil?

 

a) Enhance water retention

b) Increase soil acidity

c) Convert nitrogen into a usable form

d) Aid in photosynthesis

 

Answer: c) Convert nitrogen into a usable form

 

Question: Which farming practice involves cultivating crops on inclined slopes to reduce soil erosion?

 

a) Terrace farming

b) Strip cropping

c) Mixed cropping

d) Intercropping

 

Answer: a) Terrace farming

 

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

 

a) Increase acidity

b) Improve drainage

c) Enhance fertility

d) Reduce water retention

 

Answer: c) Enhance fertility

 

Question: Which type of farming involves the cultivation of fruits, vegetables, and flowers?

 

a) Arable farming

b) Horticulture

c) Pastoral farming

d) Aquaculture

 

Answer: b) Horticulture

 

Question: What is the function of the crop in the digestive system of a bird?

 

a) Absorb nutrients

b) Store food temporarily

c) Grind food

d) Initiate digestion

 

Answer: b) Store food temporarily

 

Question: In which layer of the soil profile do plant roots primarily absorb water and nutrients?

 

a) Topsoil

b) Subsoil

c) Bedrock

d) Humus

 

Answer: a) Topsoil

 

Question: Which of the following is a warm-season grass used for grazing livestock?

 

a) Timothy

b) Bermuda grass

c) Fescue

d) Bluegrass

 

Answer: b) Bermuda grass

 

Question: What is the main purpose of a greenhouse in agriculture?

 

a) Pest control

b) Livestock housing

c) Controlled environment for plant growth

d) Water conservation

 

Answer: c) Controlled environment for plant growth

 

Question: Which term describes the removal of unwanted plants from a cultivated area?

 

a) Irrigation

b) Fertilization

c) Weeding

d) Mulching

 

Answer: c) Weeding

 

Question: What is the term for the process of turning soil over to bring fresh, nutrient-rich soil to the surface?

 

a) Mulching

b) Tilling

c) Pruning

d) Sowing

 

Answer: b) Tilling

 

Question: Which of the following is a method of controlling pests using natural predators or parasites?

 

a) Fumigation

b) Biological control

c) Pesticide application

d) Crop rotation

 

Answer: b) Biological control

 

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

 

a) Enhance pollination

b) Prevent soil erosion

c) Provide shade for crops

d) Increase water retention

 

Answer: b) Prevent soil erosion

 

Question: Which gas is released during the process of respiration in plants?

 

a) Oxygen

b) Carbon dioxide

c) Nitrogen

d) Hydrogen

 

Answer: b) Carbon dioxide

 

Question: What is the term for the removal of excess water from the soil to prevent waterlogging?

 

a) Irrigation

b) Drainage

c) Flooding

d) Mulching

 

Answer: b) Drainage

 

Question: In poultry farming, which nutrient is essential for feather development?

 

a) Protein

b) Carbohydrates

c) Fat

d) Fiber

 

Answer: a) Protein

 

Question: Which of the following is a nitrogen-fixing leguminous crop?

 

a) Wheat

b) Rice

c) Peas

d) Barley

 

Answer: c) Peas