Which of the following is a submerged floating hydrophyte?

Related Mcqs:

1. Mark the rooted submerged hydrophyte:

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

2. Mark the rooted submerged hydrophyte:

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

3. Mark the free floating hydrophyte:

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

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

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

5. 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...

6. Special character of hydrophyte is:

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

7. In submerged hydrophytes, which of the following is present?

   A. Air spaces B. Cuticle C. Well developed sclerenchyma D. Well developed vascular tissues...

8. In submerged hydrophytes entry of CO2 is through:

   A. Epidermis as dissolved CO2 B. Epidermis as carbonates only C. Epidermis as carbonates only D. Both (b) and (c)...

9. Submerged hydrophytes have well developed:

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

10. In submerged hydrophytes, functional stomata are found:

    A. On upper surface of the leaf B. Lower surface of the leaf C. Both the surfaces of the leaf D. Nowhere on the plant...