Commonly grown flowering shrubs and trees are:

Related Mcqs:

1. 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

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

   A. Genetic drift
   B. Ecological succession trend
   C. A food pyramid
   D. A phylogenetic trend

3. 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

4. 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

5. Flowering is induced if germinating seeds are exposed to:

   A. Low temperature
   B. High Temperature
   C. Temperature below freezing
   D. Temperature above 45 degree C

6. How to induce flowers and stimulation of flowering and seedling are:

   A. Girdling method
   B. Root pruning
   C. Typing a knot
   D. Grafting
   E. All of the above

7. In a fish aquarium green aquatic plants are grown primarily for:

   A. Oxygen
   B. Carbon dioxide
   C. Fish feed
   D. Decoration

8. When cane plants grown in the forest, they scamble over other vegetation and this corresponds to:

   A. Commensalism
   B. Competition
   C. Exploitation
   D. None of these

9. The device or structure where plants are grown in a controlled environment:

   A. Culture chamber
   B. Inoculation chamber
   C. Phytotron
   D. All of these

10. If the same crop is repeatedly grown in a field:

    A. Nitrogen starvation many result
    B. Specific mineral deficiency may arise
    C. Soil will become prone to diseases
    D. Water level in soil will recede