Among the following characters which one does not characterise a hydrophyte?

Related Mcqs:

1. Which one of the following is well-developed in hydrophyte?

   A. Aerenchyma
   B. Collenchyma
   C. Stomata
   D. Root system

2. Which of the following is a submerged floating hydrophyte?

   A. Tpha
   B. Trapa
   C. Potamogeton
   D. Ceratophyllum

3. Special character of hydrophyte is:

   A. Small spiny stem
   B. Soft and mucilaginous stem
   C. Thick and large leaf
   D. None of the above

4. Mark the free floating hydrophyte:

   A. Sagittaria
   B. Typha
   C. Najas
   D. Spirodela

5. Mark the rooted submerged hydrophyte:

   A. Potamogeton
   B. Najas
   C. Ranunculus
   D. None of these

6. Mark the rooted submerged hydrophyte:

   A. Marsilea
   B. Utricularia
   C. Vallisneria
   D. Monochoria

7. Plants growing near sea shore will usually have xerophytic characters, like thick leaves, because:

   A. There is plenty of water in the soil
   B. There is too high a concentration of salts for the plants to absorb sufficient water from the soil
   C. Light available to plant is not sufficient
   D. The soil is muddy

8. 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

9. 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

10. Biological equilibrium is found among the:

    A. Producers and consumers
    B. Producers and decomposers
    C. Producers, consumers and decomposers
    D. Producers and light