Jss2 third Term Agricultural science past questions and answers

Jss2 third Term Agricultural science past questions and answers

Agricultural science questions for JSS2 with options and answers:

What is the term for the practice of rotating the crops grown in a specific field over time to improve soil fertility?

a) Monoculture

b) Crop rotation

c) Intercropping

d) Transplanting

Answer: b) Crop rotation

Which of the following nutrients is essential for the formation of chlorophyll in plants?

a) Phosphorus

b) Potassium

c) Magnesium

d) Calcium

Answer: c) Magnesium

What is the process of separating grains from the harvested crop plants called?

a) Plowing

b) Threshing

c) Pruning

d) Irrigation

Answer: b) Threshing

Which farming practice involves growing crops without the use of synthetic pesticides and fertilizers?

a) Organic farming

b) Hydroponics

c) Sericulture

d) Agribusiness

Answer: a) Organic farming

What is the term for the removal of male reproductive organs in livestock to control breeding and improve meat quality?

a) Castration

b) Fertilization

c) Hybridization

d) Pollination

Answer: a) Castration

Which type of soil has particles that are intermediate in size between sand and clay?

a) Loam

b) Silt

c) Gravel

d) Chalk

Answer: b) Silt

What is the term for the practice of planting two or more crops in close proximity to improve nutrient use and reduce pests?

a) Monoculture

b) Crop rotation

c) Intercropping

d) Aquaculture

Answer: c) Intercropping

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

a) Wind energy

b) Solar energy

c) Fossil fuels

d) Geothermal energy

Answer: c) Fossil fuels

What is the name for the process of covering soil with organic materials to retain moisture and suppress weed growth?

a) Mulching

b) Pruning

c) Transpiration

d) Thinning

Answer: a) Mulching

Which part of a plant is responsible for the storage of food and nutrients?

a) Leaves

b) Stem

c) Roots

d) Flowers

Answer: c) Roots

What is the term for the practice of controlling the movement of water for crop irrigation and flood prevention?

a) Dredging

b) Watershed management

c) Irrigation

d) Deforestation

Answer: c) Irrigation

Which gas is essential for the process of respiration in plants and animals?

a) Oxygen (O2)

b) Carbon dioxide (CO2)

c) Methane (CH4)

d) Nitrous oxide (N2O)

Answer: a) Oxygen (O2)

What is the term for the process of removing mature grains from the seed head of a cereal crop?

a) Pollination

b) Harvesting

c) Threshing

d) Pruning

Answer: c) Threshing

Which of the following is a method of weed control that involves covering the soil with plastic or fabric?

a) Crop rotation

b) Organic farming

c) Mulching

d) Herbicide application

Answer: c) Mulching

What is the term for the practice of selecting and breeding animals for specific traits to improve the quality of livestock?

a) Hybridization

b) Genetic modification

c) Artificial selection

d) Transplanting

Answer: c) Artificial selection

Which of the following is a cereal crop used in making bread and pasta?

a) Rice

b) Maize

c) Wheat

d) Barley

Answer: c) Wheat

What is the term for the practice of raising bees for the production of honey?

a) Apiculture

b) Sericulture

c) Pisciculture

d) Floriculture

Answer: a) Apiculture

Which of the following nutrients is known as the "flowering nutrient" and is essential for flower and fruit development in plants?

a) Nitrogen

b) Phosphorus

c) Potassium

d) Calcium

Answer: b) Phosphorus

What is the process of turning waste plant materials into biofuel called?

a) Fermentation

b) Transpiration

c) Combustion

d) Biomass conversion

Answer: d) Biomass conversion

Which agricultural practice involves growing crops on terraces to prevent soil erosion on hilly or sloped land?

a) Aquaculture

b) Apiculture

c) Horticulture

d) Terrace farming

Answer: d) Terrace farming