The characteristic genera are ______ with Junipers and occasionally Rhododendron or Ephedra:

Related Mcqs:

1. Rhododendron is characteristic of vegetation of:

   A. Tropical zone
   B. Gangetic plains
   C. Mangrove belt
   D. Alpine zone

2. Rhododendron is most prominent at an altitude of:

   A. Above 9,000
   B. At 6,000
   C. 6,000-9,000
   D. At sea level

3. Moist depressions, steep cool slopes and the flatter deep soil carry deciduous broadleaved forest consisting of genera like:

   A. Acer
   B. Prunus
   C. Fraxinus
   D. Aesculus
   E. All of the above

4. The temperature deciduous tree genera, Acer, Aesculus, Prunus, Ulmus, Fraxinus, Corylus and Alnus are met with:

   A. Fairly generally
   B. Form local consociations
   C. Both (a) & (b)
   D. None of these

5. The plants of Cupressus and Cedrus are characteristic of:

   A. Temperate broad-leaf forest
   B. Temperate coniferous forest
   C. Chaparral
   D. Desert

6. In which one of the following pairs is the specific characteristic of a soil not correctly matched?

   A. Terra rossa – Most suitable for roses
   B. Chernozems – Richest soil in the world
   C. Black soil – Rich in calcium carbonate
   D. Laterite – Contains aluminium compound

7. Excessive aerenchyma is characteristic of:

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

8. The plant that has a characteristic component of the mangrove vegetation is:

   A. Rhizophora mangle
   B. Ficus religiosa
   C. Mangifera indica
   D. Prosopis specigera

9. Which of the following is not the characteristic feature of the anatomy of xerophytes?

   A. Spongy paraenchyma
   B. Well developed conducting tissue
   C. Well developed mechanical tissue
   D. Thick cuticle

10. The back and forth movements of chemical elements, between organisms and environment along characteristic circular paths and known as:

    A. Biochemical cycles
    B. Ecological cycles
    C. Chemical cycles
    D. None of these