SS1 first term Agricultural science past questions and answers

SS1 first term Agricultural science past questions and answers

Here are 20 SS1 Agricultural Science questions with options and answers:

Question: What is the primary function of roots in plants?

A) Photosynthesis

B) Absorption of water and nutrients

C) Support and transport

D) Reproduction

Answer: B) Absorption of water and nutrients

Question: Which of the following is a leguminous crop?

A) Maize

B) Rice

C) Groundnut

D) Wheat

Answer: C) Groundnut

Question: What is the importance of soil to agriculture?

A) Provides support for plants

B) Serves as a medium for nutrient exchange

C) Aids in water retention

D) All of the above

Answer: D) All of the above

Question: Which tool is used for breaking up soil clods after plowing?

A) Harrow

B) Plough

C) Rake

D) Hoe

Answer: A) Harrow

Question: What is the function of the chlorophyll in plants?

A) Absorbing water

B) Absorbing sunlight for photosynthesis

C) Transporting nutrients

D) Providing structural support

Answer: B) Absorbing sunlight for photosynthesis

Question: Which gas is essential for photosynthesis?

A) Oxygen

B) Carbon dioxide

C) Nitrogen

D) Hydrogen

Answer: B) Carbon dioxide

Question: What is the primary purpose of fertilizers in agriculture?

A) Weed control

B) Pest control

C) Soil fertility improvement

D) Providing shade to crops

Answer: C) Soil fertility improvement

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

A) Oxygen

B) Carbon dioxide

C) Water

D) Nitrogen

Answer: A) Oxygen

Question: What is the main purpose of crop rotation?

A) Pest control

B) Soil conservation

C) Increasing crop yield

D) Enhancing soil fertility

Answer: B) Soil conservation

Question: Which of the following is a warm-season crop?

A) Wheat

B) Barley

C) Rice

D) Maize

Answer: D) Maize

Question: What is the primary function of the tractor on the farm?

A) Planting seeds

B) Harvesting crops

C) Plowing and cultivating

D) Irrigation

Answer: C) Plowing and cultivating

Question: Which farming practice involves the cultivation of crops without the use of synthetic chemicals?

A) Organic farming

B) Conventional farming

C) Hydroponics

D) Aeroponics

Answer: A) Organic farming

Question: What is the purpose of the greenhouse in agriculture?

A) Weed control

B) Pest control

C) Controlled environment for plant growth

D) Livestock shelter

Answer: C) Controlled environment for plant growth

Question: Which of the following is a greenhouse gas released from agricultural activities?

A) Oxygen

B) Carbon dioxide

C) Nitrous oxide

D) Hydrogen

Answer: C) Nitrous oxide

Question: What is the primary source of energy for most rural households in agriculture?

A) Solar power

B) Wind power

C) Biomass

D) Hydroelectric power

Answer: C) Biomass

Question: Which soil type has the smallest particles and retains water most effectively?

A) Sand

B) Silt

C) Clay

D) Loam

Answer: C) Clay

Question: What is the role of nitrogen-fixing bacteria in the soil?

A) Enhance soil acidity

B) Convert atmospheric nitrogen into a usable form for plants

C) Aid in water retention

D) Control soil erosion

Answer: B) Convert atmospheric nitrogen into a usable form for plants

Question: Which agricultural practice involves the cultivation of aquatic organisms like fish and shrimp?

A) Aquaponics

B) Hydroponics

C) Sericulture

D) Apiculture

Answer: A) Aquaponics

Question: What is the purpose of a windbreak in agriculture?

A) Pest control

B) Erosion control

C) Providing shade to crops

D) Protecting crops from strong winds

Answer: D) Protecting crops from strong winds

Question: Which of the following is a disease that commonly affects livestock?

A) Rust

B) Mosaic

C) Foot-and-mouth disease

D) Downy mildew

Answer: C) Foot-and-mouth disease