Jss2 first term Agricultural science past questions and answers

Here are 20 JSS2 Agricultural Science questions with options and answers:

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

 

A) Photosynthesis

B) Absorption of water and minerals

C) Transpiration

D) Support

Answer: B) Absorption of water and minerals

 

Question: Which of the following tools is used for planting seeds?

 

A) Hoe

B) Rake

C) Seed drill

D) Plough

Answer: C) Seed drill

 

Question: What is the term for the process by which green plants manufacture their own food?

 

A) Respiration

B) Photosynthesis

C) Transpiration

D) Germination

Answer: B) Photosynthesis

 

Question: Which of the following animals is a ruminant?

 

A) Horse

B) Goat

C) Pig

D) Chicken

Answer: B) Goat

 

Question: What is the main function of the leaves in a plant?

 

A) Absorption

B) Support

C) Photosynthesis

D) Storage

Answer: C) Photosynthesis

 

Question: Which of the following is a cereal crop?

 

A) Cotton

B) Rice

C) Sugarcane

D) Coffee

Answer: B) Rice

 

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

 

A) Produce oxygen

B) Fix nitrogen from the air into the soil

C) Decompose organic matter

D) Absorb minerals

Answer: B) Fix nitrogen from the air into the soil

 

Question: Which farming practice involves growing different crops on the same piece of land in a specific order?

 

A) Monoculture

B) Polyculture

C) Crop rotation

D) Agroforestry

Answer: C) Crop rotation

 

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

 

A) Increase soil acidity

B) Enhance soil erosion

C) Provide nutrients to plants

D) Attract beneficial insects

Answer: C) Provide nutrients to plants

 

Question: What is the function of the reproductive organ in a flowering plant?

 

A) Photosynthesis

B) Respiration

C) Reproduction

D) Transpiration

Answer: C) Reproduction

 

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

A) Wheat

B) Barley

C) Maize

D) Oats

Answer: C) Maize

 

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

A) Protect crops from pests

B) Provide shade for crops

C) Control temperature and humidity

D) Enhance soil fertility

Answer: C) Control temperature and humidity

 

Question: Which farming method involves the cultivation of crops without the use of synthetic pesticides and fertilizers?

A) Organic farming

B) Conventional farming

C) Hydroponics

D) Aeroponics

Answer: A) Organic farming

 

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

A) Planting seeds

B) Harvesting and threshing crops

C) Irrigating fields

D) Plowing the soil

Answer: B) Harvesting and threshing crops

 

Question: Which of the following is a root crop?

A) Tomato

B) Carrot

C) Cabbage

D) Spinach

Answer: B) Carrot

 

Question: What is the importance of bees in agriculture?

A) Control pests

B) Pollination of crops

C) Provide honey

D) Enhance soil fertility

Answer: B) Pollination of crops

 

Question: Which of the following is a non-renewable natural resource in agriculture?

A) Sunlight

B) Water

C) Soil

D) Fossil fuels

Answer: D) Fossil fuels

 

Question: What is the term for the process of preserving food by drying or removing moisture?

A) Fermentation

B) Refrigeration

C) Dehydration

D) Canning

Answer: C) Dehydration

 

Question: Which farming practice involves raising fish and cultivating plants together in a symbiotic environment?

A) Aquaculture

B) Poultry farming

C) Sericulture

D) Apiculture

Answer: A) Aquaculture

 

Question: What is the purpose of adding lime to soil in agriculture?

 

A) Increase acidity

B) Impr

ove drainage

C) Enhance fertility

D) Kill harmful insects

Answer: C) Enhance fertility