In pond ecosystem, the pyramid of biomass is___________?
A. upright
B. inverted
C. spindle shaped
D. none of these
The pyramid of energy in terrestrial ecosystem is___________?
A. Upright
B. Inverted
C. Spindle shaped
D. Irregular
A set of organisms that resemble one another in appearance and behaviour is called a ______________?
A. Exons
B. Prions
C. Species
D. Guilds
The rate at which temperature decreases with increasing altitude is known as the_______________?
A. Temperature slope
B. Lapse rate
C. Sounding
D. Thermocline
The primary cause of a radiation inversion is_______________?
A. Infrared radiation emitted by the earth’s surface
B. Infrared radiation absorbed by the earth’s surface
C. Solar radiation absorbed by the earth’s surface
D. Solar radiation reflected by the earth’s surface
E. Infrared radiation absorbed by the atmosphere and clouds
Boron, Zinc and Manganese are usually referred to as____________?
A. Micronutrients
B. Macronutrients
C. Soil Vitamins
D. MBZ nutrients
What is Canopy ?
A. Uppermost level of the forest
B. Ground level of the forest
C. Soil in forest
D. Climbers on trees
Deforestation generally decreases____________?
A. Global Warming
B. Drought
C. Soil erosion
D. Rainfall
___________ are used for converting saline or brackish water into pure distilled water?
A. Photo voltaic cells
B. Solar desalination systems
C. Solar cookers
D. Solar water-heating
