Jss3 first term Agricultural science past questions and answers

Jss3 first term Agricultural science past questions and answers

Here are 20 JSS3 Agricultural Science questions with options and answers:

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

a) Photosynthesis

b) Absorption of water and nutrients

c) Transpiration

d) Reproduction

Answer: b) Absorption of water and nutrients

Which of the following is not a method of asexual plant propagation?

a) Grafting

b) Budding

c) Seed production

d) Layering

Answer: c) Seed production

What type of soil is best for crop cultivation?

a) Sandy soil

b) Clay soil

c) Loamy soil

d) Peat soil

Answer: c) Loamy soil

Which agricultural practice involves the raising of fish and other aquatic organisms for food?

a) Horticulture

b) Apiculture

c) Pisciculture

d) Sericulture

Answer: c) Pisciculture

What is the primary source of energy for photosynthesis in plants?

a) Oxygen

b) Carbon dioxide

c) Sunlight

d) Water

Answer: c) Sunlight

Which of the following animals is a ruminant?

a) Horse

b) Pig

c) Sheep

d) Dog

Answer: c) Sheep

What is the process of breaking down complex organic matter into simpler substances by microorganisms?

a) Fermentation

b) Photosynthesis

c) Decomposition

d) Respiration

Answer: c) Decomposition

Which of the following is not a primary pest of crops?

a) Aphids

b) Ladybugs

c) Weevils

d) Grasshoppers

Answer: b) Ladybugs

Which agricultural tool is used for weeding and breaking up the soil?

a) Hoe

b) Plow

c) Harrow

d) Scythe

Answer: a) Hoe

What is the primary function of the stem in plants?

a) Support

b) Storage of food

c) Photosynthesis

d) Absorption of water

Answer: a) Support

What is the recommended spacing for planting maize in rows in most agricultural practices?

a) 10 cm

b) 20 cm

c) 40 cm

d) 80 cm

Answer: c) 40 cm

Which of the following is a common disease in poultry?

a) Foot and mouth disease

b) Newcastle disease

c) Anthrax

d) Tuberculosis

Answer: b) Newcastle disease

What is the scientific name for the honeybee?

a) Apis mellifera

b) Bombus terrestris

c) Vespa crabro

d) Halictus ligatus

Answer: a) Apis mellifera

Which part of the plant is responsible for the transport of water and nutrients?

a) Leaves

b) Roots

c) Stems

d) Flowers

Answer: c) Stems

What is the primary function of the fruit in a flowering plant?

a) Reproduction

b) Protection of seeds

c) Photosynthesis

d) Storage of water

Answer: b) Protection of seeds

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

a) Monoculture

b) Polyculture

c) Aquaculture

d) Horticulture

Answer: b) Polyculture

What is the common name for the nitrogen-fixing bacteria that form symbiotic relationships with leguminous plants?

a) Rhizobium

b) Escherichia

c) Bacillus

d) Streptococcus

Answer: a) Rhizobium

Which gas is released by plants during respiration?

a) Oxygen

b) Carbon dioxide

c) Nitrogen

d) Hydrogen

Answer: b) Carbon dioxide

What is the process of transferring pollen from the male reproductive part to the female reproductive part of a flower?

a) Fertilization

b) Germination

c) Pollination

d) Transpiration

Answer: c) Pollination

Which of the following is a primary macronutrient required for plant growth?

a) Iron

b) Calcium

c) Potassium

d) Copper

Answer: c) Potassium