Magnolia and oaks occur in the following zone:

Related Mcqs:

1. A minima rotation worth the name is specified which corresponds to the age at which the trees reach the exploitable size which is usually 120 years, but is 150 years for the deodar, fir and kail in the moist zone of Kaghan 200 years for the ry zone of ______

   A. Swat
   B. Naran
   C. Kaghan
   D. None of these

2. Melanization generally involves the following zone:

   A. Horizon-B
   B. Horizon-A
   C. Horizon-C
   D. All of these

3. Which of the following horizons is generally referred to as the illuvial zone?

   A. Horizon-B
   B. Horizon-A
   C. Horizon-O
   D. Horizon-C

4. The zone of soil showing microbial activity around the roots of higher plants is called:

   A. Rhizosphere
   B. Rhizoplane
   C. Soil microflora
   D. All of these

5. Plants growing in alpine zone are dwarf due to:

   A. Low temperature
   B. High wind velocity
   C. High light intensity
   D. None of these

6. The classification of plant groups on the basis of temperature differentiating four zone such as megatherms was proposed by:

   A. Clements
   B. Raunkiaer
   C. Odum
   D. Warming

7. The temperature based zone at an altitude of 10,000 is:

   A. Tropical
   B. Sub-tropical
   C. Temperate
   D. Alpine

8. The transition zone between two different types of communities is called:

   A. Biome
   B. Ecotone
   C. Biological spectrum
   D. Biological clock

9. The calcium carbonate content which is usually between 6 and 10%, has reached into the deeper layers, forming a zone of lime nodules (Kankar) at about _____ depth:

   A. 70-100 cm
   B. 80-110cm
   C. 90-120 cm
   D. None of these

10. Degraded zone includes the area with heavy soil erosion:

    A. Acacia modesta
    B. Capparis aphylla
    C. Salvadora oleoides
    D. All of the above