JSS1 First Term Agricultural Science Past Questions And Answers
What is the primary function of leaves in a plant?
a) Photosynthesis
b) Root absorption
c) Reproduction
d) Transpiration
Answer: a) Photosynthesis
Which of the following tools is used for planting seeds in the soil?
a) Hoe
b) Rake
c) Seed drill
d) Trowel
Answer: c) Seed drill
What is the main purpose of fertilizers in agriculture?
a) Pest control
b) Weed suppression
c) Soil enrichment
d) Water conservation
Answer: c) Soil enrichment
Which farming practice involves the cultivation of crops and raising of livestock on the same piece of land?
a) Monoculture
b) Mixed farming
c) Crop rotation
d) Organic farming
Answer: b) Mixed farming
What is the term for the protective covering of a seed?
a) Cotyledon
b) Pericarp
c) Endosperm
d) Testa
Answer: d) Testa
Which gas is essential for the process of photosynthesis?
a) Oxygen
b) Carbon dioxide
c) Nitrogen
d) Hydrogen
Answer: b) Carbon dioxide
What is the primary function of the roots in a plant?
a) Photosynthesis
b) Anchorage and absorption
c) Transpiration
d) Flower production
Answer: b) Anchorage and absorption
Which of the following is a warm-season crop?
a) Wheat
b) Rice
c) Maize
d) Barley
Answer: c) Maize
What is the process of breaking down complex organic matter into simpler substances by microorganisms?
a) Germination
b) Decomposition
c) Photosynthesis
d) Transpiration
Answer: b) Decomposition
What type of soil has the smallest particles and retains water for a longer time?
a) Sandy soil
b) Loamy soil
c) Clayey soil
d) Peaty soil
Answer: c) Clayey soil
Which agricultural practice involves the rotation of different crops in the same field?
a) Monoculture
b) Crop rotation
c) Intercropping
d) Organic farming
Answer: b) Crop rotation
What is the purpose of a greenhouse in agriculture?
a) Weed control
b) Pest control
c) Temperature and humidity control
d) Soil enrichment
Answer: c) Temperature and humidity control
What is the primary source of energy for plants?
a) Sunlight
b) Water
c) Soil nutrients
d) Carbon dioxide
Answer: a) Sunlight
Which of the following is a leguminous crop?
a) Wheat
b) Rice
c) Soybean
d) Corn
Answer: c) Soybean
What is the term for the process of transferring pollen from the male part of a flower to the female part?
a) Germination
b) Fertilization
c) Pollination
d) Photosynthesis
Answer: c) Pollination
Which farming method avoids the use of synthetic fertilizers and pesticides?
a) Conventional farming
b) Organic farming
c) Hydroponics
d) Aquaponics
Answer: b) Organic farming
What is the main function of the tractor in agriculture?
a) Irrigation
b) Plowing and tilling
c) Harvesting
d) Pest control
Answer: b) Plowing and tilling
Which of the following is a cool-season crop?
a) Cotton
b) Tomato
c) Potato
d) Millet
Answer: c) Potato
What is the term for the removal of weeds from a crop field?
a) Pruning
b) Mulching
c) Weeding
d) Thinning
Answer: c) Weeding
In which part of a plant does photosynthesis occur?
a) Roots
b) Stems
c) Leaves
d) Flowers
Answer: c) Leaves.
