Root nodules in plant help in__________________?
Root nodules in plant help in__________________?
A. Photosynthesis
B. Aeration
C. Nitrogen fixation
D. Respiration
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the layer of atmosphere which blocks ultraviolet radiation from sun is___________________?
the layer of atmosphere which blocks ultraviolet radiation from sun is___________________?A. Stratosphere
B. Ozone
C. Ozosphere
D. All the aboveAzolla which fixes nitrogen in rice field is__________________?
Azolla which fixes nitrogen in rice field is__________________?A. Bacteria
B. Fungi
C. Ferm
D. None of the aboveWhat is SAZDA_______________?
What is SAZDA_______________?A. Sindhi Agricultural Zonal Development Authority
B. Sindhi Arid Zone Development Authority
C. None of the above
D. non of theseThe unproductive branches of cotton are called_________________?
The unproductive branches of cotton are called_________________?A. Sympodial branches
B. Monopodial branches
C. Vegetative branchesThe wearing away of the land surface by wind, water, ice or other geological agent is called__________________?
The wearing away of the land surface by wind, water, ice or other geological agent is called__________________?A. Seepage
B. Soil conservation
C. Erosion
D. fertility depletionWhich one of the following is a major fiber crop of Pakistan ?
Which one of the following is a major fiber crop of Pakistan ?A. Sugarcane
B. Cotton
C. Sesame
D. Jute