A. Marsilea
B. Utricularia
C. Vallisneria
D. Monochoria
Related Mcqs:
- Mark the rooted submerged hydrophyte:
A. Potamogeton
B. Najas
C. Ranunculus
D. None of these - Which of the following is a submerged floating hydrophyte?
A. Tpha
B. Trapa
C. Potamogeton
D. Ceratophyllum - Mark the free floating hydrophyte:
A. Sagittaria
B. Typha
C. Najas
D. Spirodela - Special character of hydrophyte is:
A. Small spiny stem
B. Soft and mucilaginous stem
C. Thick and large leaf
D. None of the above - Which one of the following is well-developed in hydrophyte?
A. Aerenchyma
B. Collenchyma
C. Stomata
D. Root system - 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 - 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) - The stems of submerged water plant are soft and weak because:
A. They are absolutely devoid of xylem
B. They totally lack phloem
C. They do not have stomata
D. The supporting tissues and xylem are feebly developed - In submerged hydrophytes, which of the following is present?
A. Air spaces
B. Cuticle
C. Well developed sclerenchyma
D. Well developed vascular tissues - 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
The correct answer to the question: "Mark the rooted submerged hydrophyte:" is "Vallisneria ".