What is the primary purpose of a weeder?
A
Seed sowing B
Fertilizer application C
Weed removal and soil aeration D
Irrigation
Analysis & Theory
Weeders are used to remove unwanted plants (weeds) and improve aeration around crop roots.
Which weeder is most suitable for use in **wetland paddy fields**?
A
Star-type weeder B
Peg-type weeder C
Cono weeder D
Blade hoe
Analysis & Theory
Cono weeders are specifically designed for use in wetland rice fields.
Which part of a Cono weeder helps to uproot weeds?
A
Cutting blade B
Star wheel C
Cone-shaped rotors D
Shovel
Analysis & Theory
Cone-shaped rotors rotate and uproot weeds in standing water.
Dry land weeders are generally used in crops sown with:
A
Line sowing (row crops) B
Broadcasting C
Transplanting D
Hydroponics
Analysis & Theory
Dry land weeders are suitable for inter-row cultivation in line-sown crops.
Which of the following is a **manual dry land weeder**?
A
Tractor cultivator B
Power tiller C
Wheel hoe D
Cono weeder
Analysis & Theory
Wheel hoe is a manually operated weeder used in dry land row crops.
Cono weeders are typically operated in which direction?
A
Forward only B
Backward only C
Both forward and backward D
Circular
Analysis & Theory
Cono weeders are pushed forward along the row in standing water conditions.
The handle of a weeder is primarily designed to:
A
Cut soil deeply B
Provide leverage and reduce fatigue C
Spray pesticides D
Plough the field
Analysis & Theory
Handles provide control and comfort to the operator during weeding.
What is a key feature of **peg-type weeders** used in dry land?
A
Cone wheels B
Serrated rotating pegs C
Rubber wheels D
Seed meter
Analysis & Theory
Peg-type weeders have rotating pegs that disturb soil and remove weeds.
Why is **weeding** important in early crop stages?
A
It reduces soil moisture B
It increases pest attacks C
It helps in nutrient and water availability to crops D
It decreases yield
Analysis & Theory
Early weed removal prevents competition for water, light, and nutrients.
Which weeder is most suitable for **inter-row cultivation in maize and groundnut**?
A
Cono weeder B
Wheel hoe C
Tractor sprayer D
Star weeder
Analysis & Theory
Wheel hoes are ideal for dry land inter-row weeding in crops like maize and groundnut.