The phytoplanktonic forms of plants are:

Related Mcqs:

1. 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

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

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

3. 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

4. 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

5. The zooplanktonic forms are:

   A. Primary consumers
   B. Secondary consumers
   C. Carnivores
   D. Primary producers

6. The first fish that eats upon the planktonic forms is:

   A. Primary consumer
   B. Carnivore
   C. Decomposer
   D. Secondary consumer

7. Major land forms Cholistan Desert ranges is / are :

   A. Subrecent river plain
   B. The first sandy terrace above the Hakra River (late pleistocene)
   C. The second sandy terrace above the Kakra River plain (late pleistocene)
   D. The third sandy terrace above the Hakra River plain (middle pleistocene)
   E. All of the above

8. The percentage of light energy utilized for photosynthesis by higher plants is:

   A. 100
   B. 50
   C. 10
   D. 1

9. Hydrophytes (Aquatic Plants) means:

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

10. Buttresses are usually found in the plants growing in:

    A. Tropical deciduous forests
    B. Temperate coniferous forests
    C. Temperate broad-leaf forest
    D. Tropical rain forest