Weedicides that kill the foliage of weeds by direct contact are as________________?

Related Mcqs:

1. The experimental design which control fertility level in two directions is known as________________?

   A. RBD
   B. SPD
   C. AD
   D. LSD

2. When one set of vegetation follows the oilier set of vegetation with passage of time is known as________________?

   A. Succession
   B. Retrogression
   C. Biodiversity
   D. Linear planting

3. The contact herbicides are less effective to_________________?

   A. Broad leaved weeds
   B. Perenial plants
   C. Seasonal plants
   D. All the above

4. Better crop establishment especially for direct seeded rice can be obtained by using________________?

   A. High density grain
   B. Low density grain
   C. Both a & b
   D. None of the above

5. Raising of only one crop in a year, when there is seasonal supply of water is called______________?

   A. Monocropping
   B. Monoculture
   C. Specialized farming
   D. Intensive cropping

6. Use of tetrazolium staining for assessment of seed quality was suggested by________________?

   A. Woodstock (1973)
   B. Moore (1973)
   C. Maguire (1962)
   D. Germ (1950)

7. In wheat total crop N uptake per ton of grain is about__________________?

   A. 50-60 Kg
   B. 20-30 Kg
   C. 15-20 Kg
   D. 70-80 Kg

8. Hyderabad district area is in_________________?

   A. Thai range area
   B. Raygistan range area
   C. Cholistan range area
   D. None of the above

9. Plants uptake their nutrients from____________________?

   A. Air
   B. Water
   C. So
   D. All the above

10. Raising of two or more crops in the same field or in year is called_________?

    A. Monocropping
    B. Harvest cropping
    C. Multiple cropping
    D. None of these

    Submitted by: Mukhtir Ali jan