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Jss2 first term agricultural science past questions and answers

Jss2 first term agricultural science past questions and answers

Here are 20 agricultural science questions for JSS2 with options and answers:

What is the primary function of the roots in a plant?
a) Photosynthesis
b) Water and nutrient absorption
c) Transpiration
d) Reproduction
Answer: b) Water and nutrient absorption

Which of the following is a leguminous crop?
a) Maize
b) Rice
c) Cowpea
d) Cassava
Answer: c) Cowpea

Which farming system involves the cultivation of both crops and animals on the same piece of land?
a) Monoculture
b) Mixed farming
c) Crop rotation
d) Aquaculture
Answer: b) Mixed farming

What is the term for the raising of bees for the production of honey?
a) Apiculture
b) Sericulture
c) Pisciculture
d) Floriculture
Answer: a) Apiculture

Which part of a plant is responsible for the process of transpiration?
a) Leaves
b) Stem
c) Roots
d) Flowers
Answer: a) Leaves

Which of the following is a greenhouse gas produced during the process of anaerobic decomposition of organic matter in agriculture?
a) Oxygen (O2)
b) Carbon dioxide (CO2)
c) Methane (CH4)
d) Nitrous oxide (N2O)
Answer: c) Methane (CH4)

Which of the following is a mineral nutrient essential for plant growth?
a) Nitrogen
b) Oxygen
c) Carbon dioxide
d) Water
Answer: a) Nitrogen

What is the name for the process of breaking down complex organic materials into simpler substances by microorganisms?
a) Photosynthesis
b) Germination
c) Decomposition
d) Eutrophication
Answer: c) Decomposition

Which of the following is a cereal crop?
a) Potato
b) Wheat
c) Pineapple
d) Carrot
Answer: b) Wheat

What is the term for the removal of undesirable plant parts to improve crop yield and quality?
a) Fertilization
b) Pruning
c) Irrigation
d) Pollination
Answer: b) Pruning

Which animal is commonly used for plowing in traditional agriculture?
a) Horse
b) Elephant
c) Cow
d) Goat
Answer: c) Cow

What is the main purpose of using pesticides in agriculture?
a) To increase soil fertility
b) To control pests and diseases
c) To provide shade for crops
d) To improve crop taste
Answer: b) To control pests and diseases

Which type of soil has the smallest particles and retains water the best?
a) Sand
b) Silt
c) Clay
d) Loam
Answer: c) Clay

What is the term for the controlled breeding of plants to develop new varieties with desirable traits?
a) Hybridization
b) Cross-pollination
c) Transpiration
d) Germination
Answer: a) Hybridization

Which of the following is not a method of weed control in agriculture?
a) Crop rotation
b) Hand weeding
c) Herbicide application
d) Soil erosion
Answer: d) Soil erosion

What is the process of turning waste materials into compost for use as a fertilizer called?
a) Composting
b) Plowing
c) Pruning
d) Irrigation
Answer: a) Composting

Which part of a plant is responsible for the production of seeds?
a) Leaves
b) Stem
c) Roots
d) Flowers
Answer: d) Flowers

Which of the following is a method of sustainable agriculture that aims to reduce the use of synthetic fertilizers and pesticides?
a) Organic farming
b) Hydroponics
c) Genetic modification
d) Agribusiness
Answer: a) Organic farming

What is the term for the process of removing and transporting mature crops from the field?
a) Planting
b) Harvesting
c) Sowing
d) Weeding
Answer: b) Harvesting

Which agricultural practice involves growing different crops in the same field in a specific order or pattern to improve soil fertility and reduce pests?
a) Crop rotation
b) Monoculture
c) Intercropping
d) Terrace farming
Answer: a) Crop rotation

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