A. Epilimnion
B. Metalimnion
C. Hypolimnion
D. Thermocline
Related Mcqs:
- Plant groups growing in zones where high temperature alternates with low temperature are called:
A. Megatherms
B. Hekistotherms
C. Microtherms
D. Mesotherms - Temperature – with June the hottest month, summer (May to August) in plains is very hot and daily maximum temperature normally exceed 40
A. Upper Punjab
B. Upper Sind
C. Upper KPK
D. None of these - The phenomenon of mimicry was first observed by:
A. Bates
B. Darwin
C. Lamark
D. Darlington - Thermal pollution in water bodies is caused due to discharge of:
A. Hot water from power plants
B. Hot chemicals from industries
C. Waste from mines
D. Waste from agricultural fields - Thermal insulation, leading to greater deposition of dew. In addition organic mulches also contribute to:
A. Enhanced humification and microbial activity leading to higher nutrient availability
B. Improvement of soil structure, by incorporation of plant residues and by encouraging soil fauna.
C. Mulching is of profound importance in dry regions
D. Even in more humid climates it may have very beneficial effects with certain species, e.g., the poplar
E. All of the above - In a comparative study of grassland ecosystem and pond ecosystem it may be observed that:
A. Primary and secondary consumers are similar
B. Both biotic and abiotic components are different
C. The biotic components are almost similar
D. The abiotic components are almost similar - The classical smog was first observed to:
A. Paris
B. London
C. Tokyo
D. New York - The classical smog was first observed in the year:
A. 1885
B. 1895
C. 1905
D. 1910 - In which one of the following habitats does the diurnal temperature of soil surface vary most:
A. Forest
B. Desert
C. Grassland
D. Shrub land - The seeds of Rhus can endure a temperature as high as:
A. 40?C
B. 60?C
C. 65?C
D. 80?C
The correct answer to the question: "The equatic thermal strata where no temperature gradients are observed is called:" is "Hypolimnion ".