The desert range areas are generally ploughed with a disc, followed by a cultivator, the general characteristics of an ideal seedbed are:

Related Mcqs:

1. The major range type found in Tharparkar Desert Range is:

   A. Sand dunes
   B. Valleys
   C. Flat alluvial plains
   D. Rocky hills
   E. All of the above

2. The biggest desert belt running from the Atlantic to _______ , including Sahara and some other samaller deserts such s the Arabian Desert (Arrub-al-Khali):

   A. China
   B. India
   C. Australia
   D. Iran

3. The desert areas in Indo-Pakistan subcontinent covers about ________.

   A. 1.8 million square km
   B. 1.7 million square km
   C. 1.9 million square km
   D. None of these

4. 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

5. Desert plants are generally:

   A. Succulents
   B. Heterophyllous
   C. Herbaceous
   D. Viviparous

6. Generally seeds of species growing in cool temperate and dry tropical areas need some sort of pre-sowing treatment is/are:

   A. Weathering: Seed is exposed to sunlight, wind and rain
   B. Mechanical treatment: In order to break hard seed coat seed is beaten or crushed
   C. Fire treatment: Seed is covered with grass etc. And grass is put on fire
   D. Water treatment: Seed is soaked in hot or cold water for some hours or even days before sowing
   E. All of the above

7. Range suitability is the adoptability of range area to grazing by livestock. Factor to be considered for it:

   A. Kind of vegetation
   B. Topography
   C. Availability of drinking water
   D. All of the above

8. General characteristics of crown are:

   A. In young age crowns are usually conical in shape but as the time passes the crown shape becomes rounded
   B. Drooping forms also occur in many species e.g. Polyalthia longifolia
   C. Both (a) & (b)
   D. None of these

9. In a hydrosere, the submered stage is followed by:

   A. Phytoplanktons
   B. Reed-swamps
   C. Sedges
   D. Floating plants

10. The herb stage in a lithosphere is immediately followed by plants like:

    A. Potantilla
    B. Zizyphus
    C. Umbilicaria
    D. Grimmia