Crops in part at least, originating from stool shoots or by other vegetative means:

Related Mcqs:

1. The lichens show a mutualistic relationship originating from:

   A. Obligate parasitism
   B. Facultative parasitism
   C. Halotism
   D. None of these

2. ________ consists in clear-cutting a fixed area annually which is regenerated by coppice shoots:

   A. Simple coppice system
   B. Complex coppice system
   C. Uniform system
   D. None of these

3. Coppicing system of vegetative regeneration is / are:

   A. The species (Shisham and Acacia nilotica) produce good and vigorous coppice shoots
   B. The species (Quercus incana) produce coppices hoots also but they are few and weak
   C. Both (a) & (b)
   D. None of these

4. Vegetative regeneration of reproduction through cuttings:

   A. Size of the cutting should be form 6″ to 10″
   B. Thickness should not be less than finger size
   C. In case of root cutting they are buried, sometimes horizontally in the ground
   D. All of the above

5. Relative to shoots, the roots can be very massive in plants of:

   A. Deserts
   B. Lakes and ponds
   C. Mixed temperate forests
   D. Mixed tropical forests

6. Dominant tree: Including all trees which form the upper most leaf canopy and have their leading shoots free. These are usually sub-divided into:

   A. Predominant trees comprising all the largest trees which determine the general top level of the canopy
   B. Codominant trees which fall short of this, averaging about 5/6th of the height of predominant
   C. Trees with forked leader and similar defects
   D. All of the above

7. Common combinations of the agroforestry system in Pakistan are: Trees species: Agricultural crops grown with trees:

   A. Poplars: wheat / maize / turmeric / sugarcane / vegetables / fodder
   B. Eucalypts: wheat/sunflower/tomatoes/potatoes/chilies
   C. Simal: maize/sunflower/vegetables/fodder
   D. Shisham: turmeric/wheat/maize/vegetables
   E. All of the above

8. A yield table for any species gives the following information on per acre basis for different site qualities and at various ages of crops:

   A. Age (5, 10, 15, 20 or 25 years)
   B. Main crop
   C. Thinning
   D. Final yield
   E. All of the above

9. Spraying of DDT on crops produces pollution of

   A. Soil and water
   B. Air and soil
   C. Crops and air
   D. Air and water

10. Vast Indus food plains have been cleared of natural vegetation to grow crops. Very little wildlife habitat has been left. Only the animals like ______ and the wild hare occur in these areas:

    A. Jackal, Mangoose
    B. Jungle Cat, Civet Cat
    C. Sclay Ant Earter, Desert Cat
    D. All of the above