Jss3 second Term Agricultural science past questions and answers

Jss3 second Term Agricultural science past questions and answers

JSS3 Agricultural Science questions with options and answers:

What is the primary function of leaves in plants?

a) Absorption of water

b) Storage of nutrients

c) Photosynthesis

d) Anchoring the plant

Answer: c) Photosynthesis

Which of the following is a warm-season crop?

a) Wheat

b) Potato

c) Maize

d) Spinach

Answer: c) Maize

What do we call the science of raising silkworms for the production of silk?

a) Pisciculture

b) Apiculture

c) Sericulture

d) Horticulture

Answer: c) Sericulture

Which of the following is not a greenhouse gas that contributes to climate change?

a) Carbon dioxide (CO2)

b) Methane (CH4)

c) Oxygen (O2)

d) Nitrous oxide (N2O)

Answer: c) Oxygen (O2)

What is the process of removing undesirable plants from a crop field called?

a) Fertilization

b) Weeding

c) Pruning

d) Irrigation

Answer: b) Weeding

Which of the following is an example of a cash crop?

a) Rice

b) Cassava

c) Cocoa

d) Sorghum

Answer: c) Cocoa

Which type of livestock is known for its wool production?

a) Cattle

b) Pigs

c) Sheep

d) Goats

Answer: c) Sheep

What is the primary function of flowers in a plant?

a) Support

b) Reproduction

c) Photosynthesis

d) Water absorption

Answer: b) Reproduction

Which of the following tools is used for digging and turning over soil?

a) Rake

b) Shovel

c) Wheelbarrow

d) Hoe

Answer: b) Shovel

Which gas is responsible for the blue color of the sky during the day?

a) Oxygen

b) Nitrogen

c) Carbon dioxide

d) Rayleigh scattering

Answer: d) Rayleigh scattering

What is the process of rotating crops in a field to improve soil fertility and reduce pests and diseases?

a) Crop monoculture

b) Crop rotation

c) Mixed farming

d) Green revolution

Answer: b) Crop rotation

Which of the following is a common disease in tomato plants?

a) Black spot

b) Potato blight

c) Early blight

d) Citrus canker

Answer: c) Early blight

What is the term for the removal of horns from cattle to prevent injury to humans and other animals?

a) Dehorning

b) Castration

c) Docking

d) Milking

Answer: a) Dehorning

Which of the following is a micronutrient required for plant growth?

a) Phosphorus

b) Calcium

c) Iron

d) Magnesium

Answer: c) Iron

What is the process of protecting plants from extreme weather conditions called?

a) Irrigation

b) Mulching

c) Fertilization

d) Pruning

Answer: b) Mulching

Which of the following is a tropical fruit commonly grown in regions with warm climates?

a) Apple

b) Banana

c) Pear

d) Cherry

Answer: b) Banana

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

What is the term for the practice of keeping bees for the production of honey and other products?

a) Sericulture

b) Apiculture

c) Pisciculture

d) Horticulture

Answer: b) Apiculture

What is the primary function of the roots in plants?

a) Support

b) Storage of food

c) Absorption of water and nutrients

d) Photosynthesis

Answer: c) Absorption of water and nutrients

Which of the following tools is used for cutting and harvesting crops like wheat?

a) Plow

b) Harrow

c) Scythe

d) Trowel

Answer: c) Scythe