One of the plant introduced from new world to the old world is_________________?

Related Mcqs:

1. An example of monocot fiber yielding plant is_________________?

   A. Cocos
   B. Clemates
   C. Corchorus
   D. Crotalaria

2. The harmful influence of one living plant on another living plant by the secretion of a toxic substance is called________________?

   A. Allergy
   B. Allelopathy
   C. Parasitism
   D. Antagorusm

3. Major source of sugar in world is_________________?

   A. Dates
   B. Beet root
   C. Water melon
   D. Sugarcane

4. Optimum pH for cotton plant lies between______________?

   A. 5.2 to 9.0
   B. 5.2 to 7.0
   C. 3.5 to 5.5
   D. non of these

5. The Cotton plant belong to family ?

   A. Gramineae
   B. Fabaceae
   C. Malvaceae
   D. Leguminaceae

6. The value of regression and correlation is the same when the correlation between two variables is_________________?

   A. Imperfect
   B. Perfect
   C. Positive
   D. Negative

7. The control and preservation of natural resources For present and future use is_________________?

   A. Substainability
   B. Conservation
   C. Biodiversity
   D. Environment

8. The total dry matter produced by a plant as a resulting photosynthesis is called_______________?

   A. Biological yield
   B. Mass
   C. Physical productivity
   D. None of the above

9. The potential means of enhancing productivity is_________________?

   A. Quality of seeds
   B. Quantity of seeds
   C. Seed density
   D. All the above

10. Narcotic crops mainly grown in Pakistan is_________________?

    A. Pyrethrum
    B. Cocon
    C. Tobacco
    D. Co see