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

Related Mcqs:

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

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

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

   A. Abundant air spaces and air chambers
   B. Plentiful xylem and sclerenchyma
   C. Leaves having stomata only on the upper side or none
   D. Poor development of roots

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. Submerged hydrophytes have well developed:

   A. Vascular system
   B. Aerenchyma
   C. Root system
   D. Stoma

8. Which one has feebly developed root system and numerous air cavities?

   A. Xerophytes
   B. Halophytes
   C. Hydrophytes
   D. Mesophytes

9. These are generally, but not always, developed above the birch zone and in patches, sometimes extensive, within it, probably conditioned by edaphic and biotic factors, in Kashmir, Gilgit, Chitral and Hazara. This type ascends normally to ______ or more above the sub-alpine forests and climate must be similar but more severe than in sub-alpine forests:

   A. 140 m
   B. 150 m
   C. 160 m
   D. 170 m

10. The necessary human resources could be developed through a combination of activities initiated with the objective of:

    A. Improving data management
    B. Monitoring and research to improve enforcement of legislation, both facilitative and regulatory
    C. Implementing appropriate and multiple use strategies
    D. All of the above