List of top Agronomy Questions on Weeds asked in ICAR AIEEA (PG)

The important biological control insect for Parthenium hysterophorus in India is
The effective post-emergence control of Ageratum houstonianum can be achieved with
The headquarter of ICAR-Directorate of Weed Research (DWR) is at
Which of the following causes a 'resource' influencing competition in a weed-crop environment?
Chronology in the grass-weed growth stages is:
A. Booting
B. Tillering
C. Anthesis
D. Dough
E. Seedling
Choose the correct answer from the options given below:
Chronological development in commercial use of herbicide is:
A. Triazines
B. Phenoxyalkanoic acids
C. Dinitroanilines
D. Sulfonylureas
E. Phenoxy (aryloxy) propionates
Choose the correct answer from the options given below:
The first confirmed occurrence of herbicide resistant strain of a weed species in US was associated with
The highest number of resistant weeds are associated with which group of herbicides?
The most commonly used method of herbicide application in India is
Which of the following is a ceremonial weed?
Which of the following weeds has a cup-shaped corolla?
Weeds propagating through tubers
Which among the following phenomena directly affects crop growth and yield?
Calculate the plant population of sugarcane in 1 ha area, if planted in paired row spacing of 60/120 cm and the number of canes in 4-metre row length is 50.