N and P sprayed on the leaves at time of flowering results in:________?

Related Mcqs:

1. The lower leaves turn yellow and in some crops they quickly start drying up as if suffering from shortage of water, stunted growth, leaves & fruits shedding & whole plant becomes yellow, are deficiency symptoms of:_________?

   A. Potash
   B. Nitrogen
   C. Calcium
   D. Both a & c

   Submitted by: Shafiq Rehman

2. If diploid chromo me number in flowering plant is 8 then 4 chromosomes will be present in_________________?

   A. Endosperm cell
   B. Leaf cells
   C. Cotyledonary cell
   D. Synergids

3. Male sterility in flowering plant was first reported by___________________?

   A. Stout (1917)
   B. Koelreuter (1763)
   C. Brewbaker (1810)
   D. Gerstel (1900)

4. Shrubs and flowering trees are propagated through_________________?

   A. Soft wood cutting
   B. Hard wood cutting
   C. Semi soft wood cutting
   D. Semi hard wood cutting

5. The influence of light on flowering in plant is____________________?

   A. Phototropism
   B. Photolysis
   C. Photoperiodism
   D. Photosynthesis

6. Items needed for synthesis of plant food in green leaves are _________ & the process through which it takes place is called photosynthesis:

   A. Sunlight
   B. Chlorophyll
   C. Water & plant nutrients
   D. All of the above

   Submitted by: Shafiq Rehman

7. Plants which shed their leaves during winter are ___________________?

   A. Grading
   B. Packing
   C. Processing
   D. Vegetable forcing

8. Loss off leaves due to seasonal change is_________________?

   A. Leeward
   B. Defoliation
   C. Malformation
   D. None of the above

9. Purpling of leaves is common deficinary symptoms of __________________?

   A. Phosphorus
   B. Iron
   C. Potassium
   D. Nitrogen

10. Which one of the following acid does not exists in gram leaves?

    A. Puric acid
    B. Sulphuric acid
    C. Olic acid
    D. Both b & c

    Submitted by: Shafiq Rehman