The unit of pressure most commonly found on a surface weather map is _____________.
A. Inches of mercury (Hg)
B. Millibars or hectopascals
C. Pounds per square inch
D. Millimeters of mercury (Hg)
Author: Aroma Ann
Which of the following zones in a lake suffers from lack of light and therefore limited photosynthesis is able to take place?
A. Pelagic
B. Littoral
C. Profundal
D. Euphotic
The expansion on PQLI is ____________.
A. Physical quality of life index
B. Population quotient of life in India
C. Poor quality of life in India
D. Poverty, quality of life in India
The most endangered ecosystem in India is ____________.
A. Shola forest ecosystem
B. Evergreen forest ecosystem
C. Pond ecosystem
D. Tundra Ecosystem
When both partners are affected negatively the nature of interaction is ____________.
A. commensalism
B. competition
C. predation
D. amensalism
All forms of water that comes down on Earth, including rain, snow, hail etc. is known as _____________.
A. Calcification
B. Fixation
C. Precipitation
D. Accumulation
Example for a bio-degradable polymer is ____________.
A. Polyethylene
B. Polypropylene
C. Poly lactic acid
D. Polyester
Causative organism of Malaria is ____________.
A. Bacteria
B. Fungus
C. Plasmodium
D. Virus
A biodegradable plastic developed by Biopak Corporation Australia is ____________.
A. Biopol
B. Pet
C. Polyester
D. PVC
The European Union has a permanent ban on the use of ______________ in toys.
A. Phthalates
B. Clay
C. Polycarbonate
D. Bisphenol
