Soil Science Questions And Answers.
1. Generally speaking, only level to nearly level (0-2 % slope) & gently sloping lands (2-5 % slope) should be:
A. brought under range crops B. Forests C. Both a & b D. None of the above
View Answer
Discuss forum
Workplace
Report
Published by:Michael Daani
2. 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
View Answer
Discuss forum
Workplace
Report
Published by:Michael Daani
3. Potassium plays a significant role in the transport of water & nutrients through the plant in the xylem. When the supply of K is reduced, the transportation of ____ is depressed:
A. Nitrates, Phosphates B. Calcium, magnesium C. Amino acids D. All of above
View Answer
Discuss forum
Workplace
Report
Published by:Michael Daani
4. The solid wastes generated in Pakistan are about: __?
A. 47,920 tonnes/day B. 65, 772 tonnes/day C. 12250 tonnes/day D. All of the above
View Answer
Discuss forum
Workplace
Report
Published by:Michael Daani
5. Almost one third of the land area through out the world is affected by land degradation. Pakistan�s agriculture sector though facilitates employment to >65% but is facing challenges from:
A. Erosion B. Salinity C. Waterlogging D. All of the above
View Answer
Discuss forum
Workplace
Report
Published by:Michael Daani