The herb stage in a lithosphere has predominance of plants like

Related Mcqs:

1. The herb stage in a lithosphere is immediately followed by plants like:

   A. Potantilla
   B. Zizyphus
   C. Umbilicaria
   D. Grimmia

2. The woodland stage in a hydrosphere has predominance of plants like:

   A. Eleocharis, Fimbristylis
   B. Salix, Populus
   C. Ranunculus, Polygonum
   D. Acer, Ulmus

3. The percentage of water bound in lithosphere and sedimentary rocks is:

   A. 75
   B. 65
   C. 85
   D. 95

4. The temperate broad-leaf forest biomes are characterized by the predominance of

   A. Cupressus sp.
   B. Dalbergia sp.
   C. Diospyros sp.
   D. Quercus sp.

5. 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

6. Those chemicals which are produced by plants and affect other plants are broadly called:

   A. Depresants
   B. Allomones
   C. Allelochemics
   D. Kairomones

7. 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

8. 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

9. The last stage of plant succession is:

   A. Ecotone
   B. Climax stage
   C. Seral community
   D. Ecotype

10. According to polyclimax hypothesis, the climax stage is controlled by:

    A. Edaphic factors
    B. Biotic factors
    C. Topographic factors
    D. All of these