Jss2 second term Agricultural science past questions and answers

 

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

A) Harvesting crops

B) Tilling or turning over soil

C) Applying fertilizers

D) Controlling pests

Answer: B) Tilling or turning over soil

 

Question: Which of the following is a leguminous crop?

 

A) Wheat

B) Rice

C) Soybean

D) Barley

Answer: C) Soybean

 

Question: What is the term for the process of raising animals for food, fiber, or other products?

 

A) Horticulture

B) Apiculture

C) Animal husbandry

D) Sericulture

Answer: C) Animal husbandry

 

Question: Which of the following is a source of organic matter for soil improvement?

 

A) Sand

B) Clay

C) Compost

D) Gravel

Answer: C) Compost

 

Question: What is the importance of crop rotation in farming?

 

A) Increases soil fertility

B) Reduces soil erosion

C) Prevents waterlogging

D) Controls temperature

Answer: A) Increases soil fertility

 

Question: What is the function of herbicides in agriculture?

 

A) Control weeds

B) Fertilize the soil

C) Enhance photosynthesis

D) Irrigate crops

Answer: A) Control weeds

 

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

 

A) Okra

B) Tomato

C) Spinach

D) Cucumber

Answer: C) Spinach

 

Question: What is the purpose of a scarecrow in farming?

 

A) Attract beneficial insects

B) Deter birds and pests

C) Enhance soil fertility

D) Provide shade for crops

Answer: B) Deter birds and pests

 

Question: In aquaculture, what does the term “aeration” refer to?

 

A) Providing light for fish

B) Adding fertilizers to water

C) Supplying oxygen to water

D) Controlling temperature

Answer: C) Supplying oxygen to water

 

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

 

A) Enhances root development

B) Promotes flowering

C) Aids in photosynthesis

D) Improves water absorption

Answer: C) Aids in photosynthesis

 

Question: Which of the following is a method of weed control in agriculture?

 

A) Mulching

B) Irrigation

C) Plowing

D) Harvesting

Answer: A) Mulching

 

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

 

A) Increase wind speed

B) Protect crops from strong winds

C) Facilitate pollination

D) Enhance soil fertility

Answer: B) Protect crops from strong winds

 

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 primary function of the stem in a plant?

 

A) Absorb water and minerals

B) Conduct water and nutrients

C) Carry out photosynthesis

D) Anchor the plant in the soil

Answer: B) Conduct water and nutrients

 

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: What is the purpose of crop scouting in agriculture?

 

A) Harvesting crops

B) Monitoring and managing pests

C) Applying fertilizers

D) Pruning plants

Answer: B) Monitoring and managing pests

 

Question: Which of the following is an example of a cash crop?

 

A) Wheat

B) Cassava

C) Millet

D) Banana

Answer: A) Wheat

 

Question: What is the term for the process of converting raw milk into dairy products like cheese and yogurt?

 

A) Pasteurization

B) Fermentation

C) Homogenization

D) Curdling

Answer: B) Fermentation

 

Question: Which farming method involves growing crops without soil, often using nutrient-rich water solutions?

 

A) Organic farming

B) Hydroponics

C) Conventional farming

D) Agroforestry

Answer: B) Hydroponics

 

Question: What is the role of earthworms in soil fertility?

 

A) Increase soil acidity

B) En

hance drainage

C) Improve soil structure and nutrient cycling

D) Control pests

Answer: C) Improve soil structure and nutrient cycling