In cotton, zn deficiency is known as_________?

A. Fern leaf
B. Mottle leaf
C. Little leaf
D. None of these

Submitted by: Shafiq Rehman

Related Mcqs:

calcium is immobile in plants. Therefore, under conditions of deficiency, young tissue is affected first. calcium deficiency symptoms are:
A. Death of terminal buds; roots tips also affected
B. Abnormal dark green appearance of foliage
C. Premature shedding of blossoms & buds & weakened stem
D. All of the above
Submitted by: Shafiq-ur-Rehman
The process of accumulation of excess quantity of nutrients in water causing O2 deficiency is known as_____________________?
A. Eutrophication
B. Nitrification
C. Denitrification
D. Sedimentation
Loss of nitrogen in the form of NH3 in alkaline medium is known as_________?
A. Denitrification
B. Leaching
C. Volatilization
D. None of these
Submitted by: Shafiq Rehman
Process of mixing of soils is known as_________?
A. Gleization
B. Lessivage
C. Laterization
D. The correct option is not present above
Submitted by: Shafiq Rehman
Deficiency of B can be corrected through application of chemical fertilizer of_________________?
A. Solubor
B. Boric acid
C. Borax
D. All the above
Phosphorus deficiency is widespread in most (_____%) 0f the soils of Pakistan.
A. 54%
B. 90%
C. 68%
D. 32%
Submitted by: Shafiq Rehman
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
In cotton, jassids have non preference for______________________?
A. Fregobract
B. Okra leaves
C. Smoothness leaves
D. Hairiness of leaves
Cotton fiber are made up of___________________?
A. Cellulose
B. Starch
C. Fates
D. Protein
Which one is most dangerous insect of cotton crop?
A. Spotted holl worm
B. Jassids
C. Both a & b
D. Pink ball worm
Submitted by: Shafiq Rehman