Jss1 second term Agricultural Science past questions and answers

Here are 20 JSS1 Agricultural Science questions with options and answers:

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

 

a) Storing water

b) Attracting pollinators

c) Protecting the seeds

d) Absorbing sunlight

 

Answer: c) Protecting the seeds

 

Question: Which of the following is an example of a tuberous root vegetable?

 

a) Carrot

b) Potato

c) Onion

d) Radish

 

Answer: b) Potato

 

Question: What is the purpose of the stomata on the surface of leaves?

 

a) Absorbing water

b) Facilitating gas exchange

c) Storing nutrients

d) Attracting sunlight

 

Answer: b) Facilitating gas exchange

 

Question: Which farming practice involves the cultivation of fish alongside crops in the same water system?

 

a) Aquaculture

b) Hydroponics

c) Agroforestry

d) Sericulture

 

Answer: a) Aquaculture

 

Question: What is the term for the removal of unwanted plants that compete with cultivated crops?

 

a) Irrigation

b) Fertilization

c) Weeding

d) Mulching

 

Answer: c) Weeding

 

Question: In agriculture, what is the purpose of tilling or plowing the soil?

 

a) Enhancing soil fertility

b) Controlling pests

c) Facilitating seed germination

d) Preventing erosion

 

Answer: c) Facilitating seed germination

 

Question: Which of the following is a leguminous crop commonly used in crop rotation to fix nitrogen in the soil?

 

a) Wheat

b) Soybean

c) Rice

d) Barley

 

Answer: b) Soybean

 

Question: What is the role of earthworms in soil fertility?

 

a) Soil aeration and nutrient cycling

b) Pest control

c) Water absorption

d) Seed germination

 

Answer: a) Soil aeration and nutrient cycling

 

Question: Which agricultural practice involves the growing of plants without soil, often using nutrient-rich water solutions?

 

a) Aeroponics

b) Polyculture

c) Agroforestry

d) Hydroponics

 

Answer: d) Hydroponics

 

Question: What is the function of the blade on a pruner or shears used in gardening?

 

a) Digging

b) Cutting stems and branches

c) Watering plants

d) Measuring soil pH

 

Answer: b) Cutting stems and branches

 

Question: Which of the following is an example of a perennial crop?

 

a) Tomato

b) Wheat

c) Banana

d) Lettuce

 

Answer: c) Banana

 

Question: What is the purpose of adding lime to soil in agriculture?

 

a) Acidifying the soil

b) Enhancing water retention

c) Neutralizing soil acidity

d) Promoting weed growth

 

Answer: c) Neutralizing soil acidity

 

Question: In crop production, what does the term “harvesting” refer to?

 

a) Planting seeds

b) Controlling pests

c) Collecting mature crops

d) Watering the plants

 

Answer: c) Collecting mature crops

 

Question: Which part of a plant is responsible for the transportation of water and nutrients between the roots and the leaves?

 

a) Xylem

b) Phloem

c) Stomata

d) Epidermis

 

Answer: a) Xylem

 

Question: What is the importance of crop diversity in agriculture?

 

a) Reducing soil fertility

b) Enhancing pest resistance

c) Increasing water usage

d) Minimizing nutrient content

 

Answer: b) Enhancing pest resistance

 

Question: Which of the following is an example of an inorganic fertilizer?

 

a) Compost

b) Manure

c) Urea

d) Bone meal

 

Answer: c) Urea

 

Question: What is the purpose of applying mulch in gardening?

 

a) Enhancing soil fertility

b) Controlling pests

c) Conserving moisture and suppressing weeds

d) Promoting seed germination

 

Answer: c) Conserving moisture and suppressing weeds

 

Question: Which environmental factor is crucial for the process of photosynthesis in plants?

 

a) Wind

b) Light

c) Temperature

d) Humidity

 

Answer: b) Light

 

Question: What is the role of nitrogen in plant growth?

 

a) Promoting root development

b) Enhancing leaf color

c) Improving water absorption

d) Aiding in protein synthesis

 

Answer: d) Aiding in protein synthesis

 

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

 

a) Attracting pollinators

b) Scaring away pests and birds

c) Providing shade to crops

d) Controlling soil erosion

 

Answer: b) Scaring away pests and birds