Ecology and General Silviculture

A. A group or community of plants living together in common habitat
B. A group may include different species of plants, belonging to different families
C. Both (a) & (b)
D. None of these

A. A reduction of the protective, conducting and supporting tissues
B. Absences of palisade tissue
C. Both (a) & (b)
D. None of these

A. The produces in forest are actual at different strata from the ground level to the canopy of trees.
B. The litter and consequently the humus layers is thick
C. Both (a) & (b)
D. None of these

A. Riverain
B. Estuarine
C. Coniferous
D. All of the above

A. Primary succession
B. Secondary succession
C. Both (a) & (b)
D. None of these

A. Monoclimax
B. Polyclimax
C. Sub-climax
D. Disclimax
E. All of the above

A. A change in the composition and nature of plant community of particular habitat over the years
B. Any habitat can be studied systematically provided the area is free from any external disturbance
C. Both (a) & (b)
D. None of these

A. Environmental changes produced as a result of reaction to the community become favorable for new species of plants
B. Physiographic factors produce change in the habitat like flooding of plains, soil erosion, change in temperature, rain etc.
C. Both (a) & (b)
D. None of these

A. Inorganic
B. Organic
C. Climatic
D. All of the above

A. Producers (Autotrophy)
B. Macroconsumers (Heterotrophs)
C. Microconsumers (Saprotrophs/Decomposers)
D. All of the above