Jss1 second term agricultural science past questions and answers

Jss1 second term agricultural science past questions and answers

Here are 20 agricultural science questions for JSS1 with options and answers:

What is the primary purpose of photosynthesis in plants?

a) To produce oxygen

b) To produce glucose

c) To produce water

d) To produce carbon dioxide

Answer: b) To produce glucose

Which of the following is not a primary soil nutrient?

a) Nitrogen

b) Phosphorus

c) Calcium

d) Iron

Answer: d) Iron

What is the function of the root system in a plant?

a) Photosynthesis

b) Water absorption

c) Food storage

d) Reproduction

Answer: b) Water absorption

Which of the following is a warm-season crop?

a) Wheat

b) Rice

c) Maize

d) Barley

Answer: c) Maize

What is the term for the process of breaking down organic matter into compost?

a) Erosion

b) Photosynthesis

c) Decomposition

d) Fertilization

Answer: c) Decomposition

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

a) Solar energy

b) Fossil fuels

c) Wind energy

d) Geothermal energy

Answer: b) Fossil fuels

What is the main purpose of irrigation in agriculture?

a) Pest control

b) Soil aeration

c) Providing water to crops

d) Adding nutrients to the soil

Answer: c) Providing water to crops

Which agricultural practice involves rotating crops in a specific order to improve soil fertility?

a) Monoculture

b) Polyculture

c) Crop rotation

d) Intercropping

Answer: c) Crop rotation

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

a) Wheat

b) Rice

c) Soybean

d) Corn

Answer: c) Soybean

What is the primary function of the plough in agriculture?

a) Harvesting crops

b) Sowing seeds

c) Tilling the soil

d) Irrigating the fields

Answer: c) Tilling the soil

Which of the following is a greenhouse gas produced in agriculture?

a) Oxygen

b) Carbon dioxide

c) Nitrogen

d) Methane

Answer: d) Methane

What is the term for the process of breeding and raising animals for human use?

a) Horticulture

b) Pisciculture

c) Apiculture

d) Animal husbandry

Answer: d) Animal husbandry

Which tool is commonly used for weeding in agriculture?

a) Plough

b) Hoe

c) Scythe

d) Sickle

Answer: b) Hoe

What is the primary purpose of pest control in agriculture?

a) Promoting crop growth

b) Increasing soil fertility

c) Preventing damage to crops

d) Enhancing water supply

Answer: c) Preventing damage to crops

Which of the following is a biodegradable material commonly used in mulching?

a) Plastic

b) Glass

c) Straw

d) Metal

Answer: c) Straw

What is the purpose of the combine harvester in agriculture?

a) Planting seeds

b) Harvesting and threshing crops

c) Irrigating fields

d) Weeding

Answer: b) Harvesting and threshing crops

Which farming system involves growing crops without the use of synthetic chemicals or genetically modified organisms?

a) Conventional farming

b) Organic farming

c) Hydroponics

d) Aquaculture

Answer: b) Organic farming

Which of the following is a soil erosion control method that involves planting trees along the edges of fields?

a) Terracing

b) Contour farming

c) Agroforestry

d) Tilling

Answer: c) Agroforestry

What is the term for the removal of excess water from soil to improve its structure and aeration?

a) Irrigation

b) Fertilization

c) Drainage

d) Mulching

Answer: c) Drainage

Which of the following is a renewable source of energy commonly used in agriculture?

a) Natural gas

b) Solar power

c) Coal

d) Diesel fuel

Answer: b) Solar power