The sequence: blue green algae – crustose lichen – foliose lichen – mosses – shrubs – dicot trees represent

Related Mcqs:

1. Commonly grown flowering shrubs and trees are:

   A. Delonix regia, Bojer
   B. Millettia ovalifolia, Kurz
   C. Erytherina glabrescens, Parker
   D. Cassia fistula, Linn
   E. All of the above

2. When trees and shrubs are planted in long rows along streams, they are described as:

   A. Wind breaks
   B. Soil binders
   C. Shelter belts
   D. Basin blisters

3. A place was rocky and barren but now there is a green forest; the sequence of origin is:

   A. Lichen, mos, herbs, shrubs
   B. Moss, lichen, herbs, shrubs
   C. Lichen, moss, shrubs, herbs
   D. Shrubs, herbs, moss, lichen

4. 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

5. The role of shrubs in landscape designing is:

   A. The dividing line between a shrub and a tree is not always well marked
   B. The shrub will have many stems rising from the ground against the single one of a tree
   C. The colour of shrub flowers, its length of blooming and the season of bloom are very important
   D. All of the above

6. The non-green plants are as important as the green plants because they:

   A. Cause human disease
   B. Cause diseases of other plants
   C. Are useful in several industries
   D. Bring about decomposition of dead animals and plant remains

7. Mark the correct sequence of events occurring during ecological succession:

   A. Nudation – ecesis – aggregation – migration
   B. Migartion – ecesis – aggregation – nudation
   C. Nudation – migration – ecesis – aggregation
   D. Nudation – ecesis – migration – aggregation

8. Many forested regions of today were once barren rock areas. Mot likely this change involved the following sequence of stages:

   A. Lichens-mosses-annual herbs-wood shrubs
   B. Annual herb-weedy shrubs-lichens-mosses
   C. Woody shrubs-mosses-lichens-annual herbs
   D. Mosses-annual herbs-woody shrubs-lichens

9. The correct sequence of food chain is:

   A. Grass-insect-bird-snake
   B. Grass-bird-insect-snake
   C. Snake-bird-insect-grass
   D. Grass-snake-bird-insect

10. The blue revolution refers to enhancement in the production of:

    A. Fishes
    B. Crabs
    C. Birds
    D. Mammals