A. Contributing to global warming
B. Carbon storage in soils
C. loss of biodiversity
D. All of these
Submitted by: Shafiq Rehman
International Day for Biological Diversity – 22 May The United Nations has proclaimed May 22 The International Day for Biological Diversity (IDB) to increase understanding and awareness of biodiversity issues.
Related Mcqs:
- According to a latest research, Pakistan is predominantly a dryland country; 80% of its land area is arid and semi arid, 12% sub-humid and 8% under humid climate. Thus , soils of arid & semi-arid regions are vulnerable to a wide range of degradation process. As the case in arid and semi-arid climates elsewhere in south-central/southern Asia and Sub-Saharan Africa; _________________ are among the major causes of soil degradation and desertification?
A. Drought stress
B. Accelerated erosion & salinization
C. Depletion of soil fertility and SOM
D. All of the aboveSubmitted by: Shafiq Rehman
- __________________ systems play a crucial role in increasing soil organic C storage and reducing net emissions of greenhouse gases in addition to soil erosion control:
A. Engineering
B. Agroforestry
C. Cultivating
D. All of the aboveSubmitted by: Shafiq Rehman
- Which is the main cause of desertification?
A. Accelerated activities
B. Over grazing
C. Dry farming agriculture
D. None of the aboveSubmitted by: Shafiq Rehman
- The problem of soil crosion Thal and Cholistan is predominantly due to___________________?
A. Wind
B. Air
C. Water
D. All the above - According to national commission of Pakistan, post harvest losses in fruits are____________________?
A. 20-40%
B. 60-70%
C. 30-50%
D. 20-25% - According to national commission of Pakistan, post harvest losses in fruits are_________________?
A. 20-40%
B. 60-70%
C. 30-50%
D. 20-25% - Father of agricultural chemistry is___________________?
A. Vonliebig
B. Neil Brady
C. Neuron
D. J. jones - Soil moisture and ET losses are_________________?
A. Inversely related
B. Directly related
C. Not related
D. Occasionally related - The forest soils have lower bulk density than agricultural soils because of their ______ content.
A. High organic matter
B. Low organic matter
C. Both a & b
D. None of theseSubmitted by: Adnan
- The study of physical environment, climate and soil in relation to development of agricultural plants and yield related (production amount, quality and capability of seeds-germination), is called:
A. Agrology
B. Agro-Ecology
C. Hyetology
D. None of the aboveSubmitted by: Shafiq-ur-Rehman