The facultative heliophytes are infact:

Related Mcqs:

1. The heliophytes are characterised by:

   A. Vertically oriented leaves
   B. Horizontally oriented leaves
   C. Dropping leaves
   D. Twisted leaves

2. The heliophytes possess:

   A. Low K+ concentration and low O.P
   B. High K+ concentration and low O.P
   C. Low K+ concentration and high O.P
   D. High K+ concentration and high O.P

3. The heliophytes are characterised by:

   A. High OP, high K+ conc
   B. High OP, low K+ conc
   C. Low OP, low K+ conc
   D. Low OP, high K+ conc

4. Root cap is absent in:

   A. Lithophytes
   B. Xerophytes
   C. Hydrophytes
   D. Mesophyte

5. An anatomical features, which exclusively develops to counter high velocity of wind:

   A. Reaction wood formation
   B. Absence of secondary growth
   C. Absence of tylosis
   D. All of these

6. In which of the following groups, all the plants belong to the same category?

   A. Nymphaea, Poamogeton, Victoria
   B. Utricularia, Typha, Aponogeton
   C. Lemna, Spirodela, Azolla
   D. Ranunculus, Vallisneria, Hydrilla

7. The ration of volume of pores in the soil to the total soil volume is referred to as:

   A. Pore frequency ratio
   B. Pore density ration
   C. Pore abundance ratio
   D. Pore space ratio

8. The phenomenon of mimicry was first observed by:

   A. Bates
   B. Darwin
   C. Lamark
   D. Darlington

9. Broad leaved deciduous forests are typical of:

   A. Monsoon region
   B. Mid-latitude forests
   C. Mediterranean region
   D. Coniferous forests

10. The soil organisms are:

    A. Harmful to the plants growing in the soil
    B. Useful to plants growing in the soil
    C. Neither harmful nor useful to plants growing in the soil
    D. Both harmful as well as useful to plants growing on the soil