The areas laying above an altitude of about ______ and below zone of perpetual snow constitute alpine pastures:

Related Mcqs:

1. These are generally, but not always, developed above the birch zone and in patches, sometimes extensive, within it, probably conditioned by edaphic and biotic factors, in Kashmir, Gilgit, Chitral and Hazara. This type ascends normally to ______ or more above the sub-alpine forests and climate must be similar but more severe than in sub-alpine forests:

   A. 140 m
   B. 150 m
   C. 160 m
   D. 170 m

2. Alpine pastures, Trans-Himalayan ranges and Himalayan forest grazing lands have a large number of:

   A. Rivers
   B. Perennial springs
   C. Seepage water for livestock
   D. All of the above

3. Alpine forests occur at an altitude:

   A. 3,900-6,000 m
   B. 1,900-3,000 m
   C. 1,000-1,5000 m
   D. 500-1,000 m

4. The ecosystem lying in the alpine zone between taiga and polar ice is called:

   A. Savana
   B. Autotrophic
   C. Heterotrophic
   D. Tundra

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. 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

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

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

8. Migration flows: Some projects are undertaken to stop the movement of people from nural areas to urban areas / and:

   A. Rural industry projects
   B. Electrification of rural areas
   C. Both (a) & (b)
   D. None of these

9. Major types of Alpine vegetation is classified into the:

   A. Alpine scrub type consisting of moist deciduous Apline scrub, dry sone alpine scrub, moist Alpine pasture, dry Alpine plateau pastures, dwarf juniper scrub, and dwarf Rhododendron scrub forest
   B. Most Alpine scrub comprises dry alpine scrub and moist alpine scrub
   C. Alpine forests contain Alpine fir birch forest, Rhododendron forest and high level bluepine forests
   D. All of the above

10. The best seed moisture content is below 10% of the oven dry weight for the coniferous but it must be kept above _____ for most of the broad leaved species:

    A. 20%
    B. 25%
    C. 30%
    D. 35%