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Worksheets1st quiz AGR 305
Total questions: 10
Worksheet time: 5mins
In wheat crop, which of the following weeds act as host for causing black rust?
Phalaris minor
Avena fatua
Agropyron repens
Commelina spp
Which of the following weed is used for curing snake bite?
Leucas aspera
Calotropis procera
Physallis minima
Ageratum conyzoides
For controlling annual weeds through soil solarization, it is necessary to solarise the soil for
2-3 weeks
3-4 weeks
4-5 weeks
5-6 weeks
The weeds which were originally found in a place are
Anthrophytes
Apophytes
Alien
Local
Rumex acetosella is
Acid soil weed
Neutral soil weed
Saline soil weed
Basic soil weed
Striga lutea is
Total root parasite weed
Partial root parasite weed
Total stem parasite weed
Partial stem parasite weed
Herbicides which moves from the site of application to site of action are known as
Contact herbicides
Translocated herbicides
Systemic herbicides
Both b and c
The characteristic feature of grass weeds is
Hollow stem
Angular stem
Broad leaves
All of the above
Sleeping sickness is aggravated by which of the weeds
Goat weed
Brush weed
Charali weed
Prickly poppy
Lantana camara weed can be controlled biologically by
Crosidosema spp
Puccinia spp
Panicum spp
Marisa spp
