A. The roots are starved
B. Of the mechanical injury to roots
C. Most of the aerial parts are eaten away
D. All of the above
Related Mcqs:
- Plants are killed in winter by frost:
A. Because there is no transpiration
B. Because respiration ceases at such a low temperature
C. Because no photosynthesis takes place at such a low temperature
D. Because of desiccation and mechanical damage to the tissues - The non-green plants are as important as the green plants because they:
A. Cause human disease
B. Cause diseases of other plants
C. Are useful in several industries
D. Bring about decomposition of dead animals and plant remains - Those chemicals which are produced by plants and affect other plants are broadly called:
A. Depresants
B. Allomones
C. Allelochemics
D. Kairomones - Among the plants listed, point out one that does not fit into ecological group represented by the other plants:
A. Acacia
B. Aloe
C. Euphorbia
D. Rhizophora - Among the plants listed, point out one that does not fit into biological group represented by other plants
A. Euphorbia
B. Acacia
C. Vallisneria
D. Aloe - Opening of canopy by scattered gaps, young crop more or less even-aged in which system:
A. Uniform system
B. Group system
C. Irregular system
D. Strip system - Opening of canopy even young crop more or less even aged and uniform felling happing under:
A. Uniform system
B. Group system
C. Irregular system shelterwood system
D. Strip system - Opening of canopy irregular and gradual, young crop somewhat uneven-aged:
A. Uniform system
B. Group system
C. Irregular system
D. Strip system - Form of forest produced by introducing a young crop beneath an existing immature is called:
A. High forest with standards
B. Two-storied high forest
C. Wedge system
D. None of these - Which of the following plants are used as wind breaks?
A. Zizpyhus and Calotropis
B. Dalbergia and Delonix
C. Delonix and Albizia
D. Morinda and Anona
The correct answer to the question: "When young plants are grazed too heavily they get killed because:" is "The roots are starved ".