The cotton plant sheds more fruits mainly due to_________________?

Related Mcqs:

1. Cotton plant belong to one of the following categories______________?

   A. C4 plant
   B. CAM plant
   C. C3 plant
   D.non of these

2. Cotton plant has a mode of germination______________?

   A. Hypogeal germination
   B. Epigeal germination
   C. Both of the above
   D. non of these

3. 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

4. The Cotton plant belong to family ?

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

5. Cotton plant has mode of germination_________________?

   A. Determinate type of growth
   B. Indeterminate type of growth
   C. Semi-determinate
   D. Buslry growth habit

6. The root of cotton plant goes up to depth of_________________?

   A. 2-3 ft
   B. 4-6 ft
   C. 8-10 ft
   D. non of these

7. In 1992-93 the greatest decrease in the production of cotton was due to attack of_____________?

   A. American boll worm
   B. CLCV
   C. Spotted boll worm
   D. Aphids

8. Abnormal seeding growth in rice may be due to_________________?

   A. Intrinsic Mechanism
   B. Lack of integrity in seed cells
   C. Endogenous inhibitors
   D. Al the above

9. 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

10. Plants which change from the vegetative to the reproductive stage by producing flowers and fruits when the day become longer is called________________?

    A. Long day plants
    B. Short day plants
    C. Photoperiod
    D. Phototropism