In a hydrosere, the submered stage is followed by:

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 desert range areas are generally ploughed with a disc, followed by a cultivator, the general characteristics of an ideal seedbed are:

   A. Very firm below seeding depth
   B. Well pulverized and mellow on top
   C. Not cloddy or puddled
   D. Free from plant competition
   E. All of the above

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

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

4. The last stage of plant succession is:

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

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

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

6. The herb stage in a lithosphere has predominance of plants like

   A. Rhus
   B. Weissia
   C. Poa
   D. Capparis

7. Which one is called amphibious plant?

   A. Polygonum
   B. Casuarina
   C. Wolffia
   D. None of these

8. Mark the climatic cause for the initiation of succession:

   A. Erosion
   B. Drought
   C. Deposition
   D. Micro-organisms

9. The climax vegetation in a lithosere of temperate zone is dominated by plants like:

   A. Boswellia
   B. Balanites
   C. Anogeissus
   D. Quercus

10. Immense increase in the number of organisms of a species is checked by:

    A. Environmental resistance
    B. Biotic potential
    C. Imigration
    D. All of these