1051. Tillage is field operation which help in cutting, loosening and inverting the soil for_________________?

A. Fertilization
B. Irrigation
C. Seed bed preparation
D. Transplantation

1052. Foliar application of nitrogen means applying nitrogen in solution form to___________________?

A. Whole plant
B. Leaves
C. Stem only
D. Flowers only

1053. The available form of nitrogen for plants is_________________?

A. NO₃
B. NH₄
C. Both a and b
D. non of these

1054. Integrated pest management involves________________?

A. Chemical and cultural method
B. Only chemical control method
C. Chemical, cultural, and biological method
D. Only biological method

1055. A crop grown on residual moisture after harvesting rice is called__________________?

A. Barani crop
B. Dubari crop
C. Ratoon crop
D. Sure crop

1056. Agro ecological regions of sindh are_____________________?

A. 5
B. 3
C. 4
D. 1

1057. Fertilizer requirements of wheat under medium loamy soil is________________?

A. 75-90 NP kg/ha
B. 100-70 NP kg/ha
C. 110-60 NP kg/ha
D. 136-85 NP kg/ha

1058. There is________________?

A. 43560 Sq ft in an acre
B. 40560 Sq ft in an acre
C. 46560 Sq ft in an acre
D. 47560 Sq ft in an acre

1059. Root nodules in plant help in__________________?

A. Photosynthesis
B. Aeration
C. Nitrogen fixation
D. Respiration

1060. Part of embryonic axis which develops into root is called___________________?

A. Plumule
B. Radicle
C. Coleoptile
D. Coleorluza