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Past Questions and Answers

JSS3 First Term Agricultural Science Past Questions And Answers

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JSS3 First Term Agricultural Science Past Questions And Answers

 

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

a) Photosynthesis

b) Absorption of water and nutrients

c) Storage of food

d) Reproduction

Answer: b) Absorption of water and nutrients

 

Which agricultural practice involves the cultivation of crops and raising of animals in the same farming system?

a) Monoculture

b) Mixed farming

c) Hydroponics

d) Sericulture

Answer: b) Mixed farming

 

What is the purpose of plowing in agriculture?

a) Weed control

b) Seed germination

c) Soil aeration and preparation

d) Pest management

Answer: c) Soil aeration and preparation

 

Which of the following is a major nutrient required by plants for healthy growth?

a) Nitrogen

b) Iron

c) Calcium

d) Zinc

Answer: a) Nitrogen

 

What is the role of bees in agriculture?

a) Soil aeration

b) Pollination of flowers

c) Pest control

d) Water absorption

Answer: b) Pollination of flowers

 

Which farming practice involves the cultivation of crops on a slope with leveled areas?

a) Contour plowing

b) Strip cropping

c) Crop rotation

d) Terrace farming

Answer: d) Terrace farming

 

What is the function of the chlorophyll in plants?

a) Water absorption

b) Photosynthesis

c) Root development

d) Fruit ripening

Answer: b) Photosynthesis

 

Which of the following is a by-product of photosynthesis?

a) Oxygen

b) Carbon dioxide

c) Nitrogen

d) Hydrogen

Answer: a) Oxygen

 

What is the main purpose of crop rotation in agriculture?

a) Soil fertility improvement

b) Pest control

c) Weed suppression

d) Water conservation

Answer: a) Soil fertility improvement

 

Which farming method involves the use of chemicals for pest and disease control?

a) Organic farming

b) Sustainable farming

c) Conventional farming

d) Aquaponics

Answer: c) Conventional farming

 

What is the function of the ovary in a flower?

a) Photosynthesis

b) Seed production

c) Pollination

d) Water absorption

Answer: b) Seed production

 

Which of the following is a warm-season crop?

a) Wheat

b) Rice

c) Maize

d) Barley

Answer: c) Maize

 

What is the primary purpose of adding fertilizer to the soil?

a) Weed control

b) Pest management

c) Soil fertility enhancement

d) Water conservation

Answer: c) Soil fertility enhancement

 

Which agricultural practice involves growing two or more crops simultaneously in the same field?

a) Monoculture

b) Polyculture

c) Crop rotation

d) Sericulture

Answer: b) Polyculture

 

What is the significance of farm implements in agriculture?

a) Pest control

b) Efficient farm operations

c) Soil aeration

d) Seed germination

Answer: b) Efficient farm operations

 

What is the primary function of nitrogen-fixing bacteria in the soil?

a) Water absorption

b) Pest control

c) Nitrogen fixation

d) Weed suppression

Answer: c) Nitrogen fixation

 

Which of the following is a greenhouse gas released during the decomposition of organic matter in the soil?

a) Oxygen

b) Carbon dioxide

c) Nitrogen

d) Methane

Answer: b) Carbon dioxide

 

What is the purpose of pruning in fruit cultivation?

a) Soil aeration

b) Seed production

c) Weed control

d) Shaping and controlling plant growth

Answer: d) Shaping and controlling plant growth

 

Which type of farming involves the cultivation of crops without using synthetic chemicals or pesticides?

a) Conventional farming

b) Organic farming

c) Hydroponics

d) Aquaculture

Answer: b) Organic farming

 

What is the primary function of the stomata in plant leaves?

a) Water absorption

b) Photosynthesis

c) Transpiration

d) Root development

Answer: c) Transpiration.

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