SS1 First Term Agricultural Science Past Questions and Answers

Question: What is the primary function of the root in a plant?

 

A) Photosynthesis

B) Support

C) Absorption

D) Reproduction

Answer: C) Absorption

Question: Which of the following is a leguminous crop?

 

A) Maize

B) Wheat

C) Soybean

D) Rice

Answer: C) Soybean

Question: What is the major source of carbohydrate in the diet of livestock?

 

A) Proteins

B) Fats

C) Fiber

D) Sugars

Answer: D) Sugars

Question: What is the function of chlorophyll in plants?

 

A) Respiration

B) Photosynthesis

C) Transpiration

D) Digestion

Answer: B) Photosynthesis

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 primary purpose of plowing in agriculture?

 

A) Weed control

B) Soil aeration

C) Pest control

D) Watering

Answer: B) Soil aeration

Question: Which soil type has the best water retention capacity?

 

A) Sandy soil

B) Clay soil

C) Loamy soil

D) Peaty soil

Answer: B) Clay soil

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

 

A) Break down organic matter

B) Convert nitrogen gas to ammonia

C) Increase soil acidity

D) Control pests

Answer: B) Convert nitrogen gas to ammonia

Question: Which farming system involves the cultivation of crops and rearing of animals on the same piece of land?

 

A) Monoculture

B) Polyculture

C) Mixed farming

D) Subsistence farming

Answer: C) Mixed farming

Question: What is the primary purpose of adding fertilizers to the soil?

 

A) Increase soil acidity

B) Improve soil structure

C) Provide nutrients to plants

D) Prevent erosion

Answer: C) Provide nutrients to plants

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

 

A) Oxygen

B) Nitrous oxide

C) Methane

D) Carbon dioxide

Answer: C) Methane

Question: What is the role of bees in agriculture?

 

A) Soil aeration

B) Pollination

C) Pest control

D) Watering

Answer: B) Pollination

Question: Which part of the plant is responsible for the production of seeds?

 

A) Stem

B) Leaf

C) Flower

D) Root

Answer: C) Flower

Question: In crop rotation, what is the purpose of planting different crops in a specific order?

 

A) Increase soil fertility

B) Prevent soil erosion

C) Control pests and diseases

D) Speed up harvest time

Answer: C) Control pests and diseases

Question: What is the primary function of the combine harvester in agriculture?

 

A) Planting seeds

B) Harvesting crops

C) Irrigating fields

D) Plowing

Answer: B) Harvesting crops

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 main purpose of cover crops in sustainable agriculture?

 

A) Provide shade for other crops

B) Control weeds

C) Improve soil fertility

D) Attract beneficial insects

Answer: C) Improve soil fertility

Question: What is the significance of contour plowing in soil conservation?

 

A) Increase water runoff

B) Reduce soil erosion

C) Enhance soil aeration

D) Speed up germination

Answer: B) Reduce soil erosion

Question: Which of the following is a non-renewable resource in agriculture?

 

A) Solar energy

B) Water

C) Fossil fuels

D) Air

Answer: C) Fossil fuels

Question: What is the primary function of a windbreak in agriculture?

 

A)

Increase humidity

B) Control pests

C) Reduce wind erosion

D) Enhance photosynthesis

Answer: C) Reduce wind erosion