JSS2 Second Term Agricultural Science Past Questions And Answers
JSS2 Second Term Agricultural Science questions with options and answers:
Question: What is the process of breaking down complex organic matter into simpler forms by microorganisms in the soil?
A) Photosynthesis
B) Respiration
C) Decomposition
D) Transpiration
Answer: C) Decomposition
Question: Which farming practice involves the cultivation of crops without soil, using nutrient-rich water solutions?
A) Hydroponics
B) Aeroponics
C) Aquaponics
D) Organic farming
Answer: A) Hydroponics
Question: What is the main function of the stem in plants?
A) Photosynthesis
B) Support and transport of water and nutrients
C) Reproduction
D) Absorption of sunlight
Answer: B) Support and transport of water and nutrients
Question: Which of the following is a greenhouse gas associated with climate change?
A) Oxygen
B) Nitrogen
C) Carbon dioxide
D) Hydrogen
Answer: C) Carbon dioxide
Question: What is the purpose of irrigation in agriculture?
A) Increase soil acidity
B) Control pests
C) Provide water to crops
D) Enhance soil fertility
Answer: C) Provide water to crops
Question: Which of the following is a leguminous crop commonly used as a cover crop?
A) Wheat
B) Barley
C) Clovers
D) Oats
Answer: C) Clovers
Question: What is the role of fungi in the soil ecosystem?
A) Nitrogen fixation
B) Decomposition of organic matter
C) Photosynthesis
D) Water absorption
Answer: B) Decomposition of organic matter
Question: In agriculture, what does the term “fallow” refer to?
A) Cultivated land
B) Unplanted land left to rest
C) Irrigated land
D) Forested area
Answer: B) Unplanted land left to rest
Question: What is the purpose of a combine harvester in modern agriculture?
A) Planting seeds
B) Harvesting and threshing crops
C) Watering crops
D) Controlling weeds
Answer: B) Harvesting and threshing crops
Question: Which of the following is an example of a perennial crop?
A) Rice
B) Wheat
C) Banana
D) Maize
Answer: C) Banana
Question: What is the importance of cover crops in sustainable agriculture?
A) Increase soil erosion
B) Provide shade for other crops
C) Improve soil fertility and structure
D) Attract harmful pests
Answer: C) Improve soil fertility and structure
Question: Which process involves the removal of excess water from the soil to prevent waterlogging?
A) Irrigation
B) Drainage
C) Transpiration
D) Erosion
Answer: B) Drainage
Question: What is the primary function of the fruit in a plant?
A) Photosynthesis
B) Reproduction
C) Nutrient absorption
D) Storage of seeds
Answer: D) Storage of seeds
Question: What is the term for the practice of growing two or more crops in the same field during a single growing season?
A) Monoculture
B) Polyculture
C) Agroforestry
D) Deforestation
Answer: B) Polyculture
Question: Which of the following is an example of an organic fertilizer?
A) Urea
B) Superphosphate
C) Compost
D) Potash
Answer: C) Compost
Question: What is the significance of nitrogen in plant nutrition?
A) Enhances root growth
B) Essential for chlorophyll synthesis
C) Controls pests
D) Increases water absorption
Answer: B) Essential for chlorophyll synthesis
Question: Which farming practice involves the breeding and raising of fish in controlled environments?
A) Aquaculture
B) Hydroponics
C) Apiculture
D) Floriculture
Answer: A) Aquaculture
Question: What is the term for the process of transferring pollen from the male to the female part of a flower?
A) Fertilization
B) Germination
C) Pollination
D) Transpiration
Answer: C) Pollination
Question: In crop rotation, what is the purpose of planting legumes in one season?
A) Improve soil fertility through nitrogen fixation
B) Control soil erosion
C) Increase water retention
D) Prevent weed growth
Answer: A) Improve soil fertility through nitrogen fixation
Question: What is the primary function of the leaves in a plant?
A) Support
B) Reproduction
C) Photosynthesis
D) Water absorption
Answer: C) Photosynthesis.