WorksheetsWeed Management
Total questions: 10
Worksheet time: 10mins
Weed in a simple words means
aesthetic plants
harmful plants
profitable plants
unwanted plants
Which one of the following are the disadvantage of weeds
I. Competition of water
II. Competition of light
III. Supply nutrients
IV. Reduce crop yield
I and II
I and IV
I,II and III
I,II and IV
Weeds can be classified into______ groups
2
3
4
6
If you want to save the environment and implement the sustainable agriculture, which one is the correct method sequence to control weeds?
Biology->Physical->Chemical
Physical->Biology->Chemical
Chemical->Biology->Physical
Which one of the following list are cultural method of weed management
I. Tillage
II. Mixed cropping
III. Mulching
IV. Crop rotation
I and II
I and IV
I,II and III
I,II,III and IV
All the following are disadvantage of using chemical to control weeds EXCEPT
It harms environment
It harms human health
Give nutrients for plants
It harms the ecosystem
Pre-planting herbicides are applied
Non-residueal dosages are used after seeding but before emergence of the crop seedlings
Applied after the soil has been prepared but before seeding.
Application after emergence of the crop
Applied at the time of seeding
Which type of weeds that falls into monocot categories
I. Sedges
II. Grasses
III. Broad-leaves weeds
I
I and II
I,II and III
II
Parasitic weeds are weeds that
plants that supply water
plants that supply nutrient
the plants which attack other plants by making connections and deriving part or all of their food from the host
plants that support other plants
Systemic herbicides are
absorbed and transported through the plant's vascular system, killing the entire plant
kill the part of the plant in contact with the chemica
No correct answer
