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Past Questions and Answers

JSS3 Third Term Agricultural Science Past Questions And Answers

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JSS3 Third Term Agricultural Science Past Questions And Answers

 

20 JSS3 Third Term Agricultural Science questions with options and answers:

 

What is the primary function of the flower in a plant?

a) Photosynthesis

b) Water absorption

c) Reproduction

d) Transpiration

Answer: c) Reproduction

 

In agriculture, what is the purpose of adding organic matter to the soil?

a) Pest control

b) Weed suppression

c) Soil fertility improvement

d) Water conservation

Answer: c) Soil fertility improvement

 

What is the primary role of the wind in pollination?

a) Seed production

b) Transport of pollen

c) Water absorption

d) Photosynthesis

Answer: b) Transport of pollen

 

Which of the following is a method of organic pest control that involves using beneficial insects?

a) Crop rotation

b) Companion planting

c) Biological control

d) Green manuring

Answer: c) Biological control

 

What is the significance of nitrogen-fixing plants in agriculture?

a) Soil aeration

b) Weed suppression

c) Nitrogen enrichment in the soil

d) Pest management

Answer: c) Nitrogen enrichment in the soil

 

Which farming practice involves planting different crops in alternating rows to maximize space and yield?

a) Strip cropping

b) Mixed farming

c) Intercropping

d) Monoculture

Answer: c) Intercropping

 

What is the primary function of the sepal in a flower?

a) Protection of the flower bud

b) Pollination

c) Seed production

d) Photosynthesis

Answer: a) Protection of the flower bud

 

In animal husbandry, what is the purpose of dehorning cattle?

a) To increase milk production

b) To prevent injury to other animals

c) To improve meat quality

d) To control pests

Answer: b) To prevent injury to other animals

 

What is the importance of crop rotation in preventing soil-borne diseases?

a) Weed control

b) Pest resistance

c) Disease management

d) Water conservation

Answer: c) Disease management

 

Which of the following is a method of soil conservation that involves plowing across the contour lines of a slope?

a) Contour plowing

b) Agroforestry

c) Terrace farming

d) Strip cropping

Answer: a) Contour plowing

 

What is the primary function of the cotyledon in a seed?

a) Water absorption

b) Seed production

c) Photosynthesis

d) Nutrient storage for seedling growth

Answer: d) Nutrient storage for seedling growth

 

Which farming system involves the integration of crops and livestock on the same farm?

a) Aquaculture

b) Mixed farming

c) Sericulture

d) Hydroponics

Answer: b) Mixed farming

 

What is the significance of using cover crops in fallow fields?

a) Soil fertility improvement

b) Pest control

c) Weed suppression

d) Water conservation

Answer: c) Weed suppression

 

In agriculture, what is the primary purpose of the harrow?

a) Plowing

b) Irrigation

c) Weed control

d) Seedbed preparation

Answer: d) Seedbed preparation

 

Which of the following is a method of soil conservation that involves leaving strips of vegetation in between cultivated areas?

a) Strip cropping

b) Contour plowing

c) Windbreaks

d) Crop rotation

Answer: c) Windbreaks

 

What is the primary function of the corm in a plant?

a) Seed production

b) Water absorption

c) Storage of food reserves

d) Photosynthesis

Answer: c) Storage of food reserves

 

Which farming method involves growing crops on vertical stacks, often in a controlled environment?

a) Aquaponics

b) Vertical farming

c) Greenhouse farming

d) Hydroponics

Answer: b) Vertical farming

 

What is the purpose of using a plow in agriculture?

a) Water absorption

b) Soil aeration

c) Weed control

d) Seedbed preparation

Answer: d) Seedbed preparation

 

What is the significance of crop rotation in preventing soil erosion?

a) Improved nutrient cycling

b) Enhanced pest control

c) Reduction in weed competition

d) Maintaining soil structure

Answer: d) Maintaining soil structure

 

In poultry farming, what is the purpose of debeaking?

a) To enhance egg production

b) To control pests

c) To prevent cannibalism and feather pecking

d) To improve meat quality

Answer: c) To prevent cannibalism and feather pecking.

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