Search
.Management Sciences
Category: Soil Science
Algal photosynthesis increases pH of water and releases___________________?
A. O2
B. CO2
C. SO3
D. All the above
Salt-tolerant plants are called ____________________?
A. Glycophytes
B. Halophytes
C. Xerophytes
D. All the above
Which silica mineral is present in soil in abundant quantity____________________?
A. Quartz
B. Smectite
C. Gypsum
D. All the above
A soil is categorized as saline when EC of saturation extract is______________________?
A. >4dsm-1
B. 0.4dsm-1
D. 0.4 4.0 dsm-1
Lithosphere refers to____________________?
A. Zone of atmosphere
B. Zone of earth crust
C. Zone of ozone
D. Zone of water
A treeless artic plain is called as___________________?
A. Glaciers
B. Barren land
C. Tundra
D. None of the above
A compound toxic to crop formed by the thermal decomposition of urea is_________________?
A. Uric acid
B. Biurct (NH2CONH CONH2 H2O)
C. Diuret
D. Both b & c
Recent Comments