WorksheetsMIDTERM QUIZ
Total questions: 20
Worksheet time: 15mins
A reproductive situation in which most weed plants have the ability to reproduce without mating
(a)
It is the study of unwanted plants and their control.
(a)
Weed character that means exceedingly harmful, working in a hidden and usually
injurious manner.
(a)
Grasses has stems with well-defined nodes and internodes called (a)
A manner of weed reproduction that reproduces by means of seeds or seed propagules.
(a)
The ability of the seed to germinate even after prolonged dormancy.
(a)
An approach in which weed prevention and weed control have companion roles.
(a)
A deliberate use of a weed’s natural enemies to suppress the growth or reduce the
population of the weed.
(a)
A plant or plant part interfering with the objectives of man in a specific situation.
(a)
Sedges belong to this family.
(a)
The most competitive stage of the weed plants is the seedling stage.
The main goal of weed science is the formulation of the most satisfactory, most efficient with the optimum cost of controlling weeds.
The best time to identify weeds correctly is during their seedling stage.
The ability of weed seeds to become dormant when exposed to unfavorable conditions is a mechanism for competition.
The most feared group of weeds based on life span is creeping perennials.
In crop production, the primary reason why weed is considered as a pest because it is able to significantly lower the quantity and quality of products.
The grass is a weed that has a triangular culm, no distinct nodes and internodes and leaves are arranged in a rosette manner.
Hand weeding could be classified as this type of biological control
Like any other plant, the germination of weeds is affected by a group of environmental factors such as water, light, temperature, and nitrogen.
An environmental factor that is optional in the germination of crop seeds but very important in the germination of most weed seeds is LIGHT.
