Soil pollution is caused by:
A. Aerosol
B. Ozone
C. Acid rain
D. PAN
What are the metal bearing rocks called?
A. Bitumen
B. Bauxite
C. Metalloids
D. Ores
One fathom is equal to:
A. 6 feet
B. 6 meters
C. 60 feet
D. 100 cm
Reading of a Barometer going down is an indication of:
A. Snow
B. Storm
C. Intense heat
D. Rainfall
Actinides are the elements with atomic number from:
A. 97 to 104
B. 101 to 115
C. 89 to 103
D. 36 to 43
Carbon, Diamond and Graphite are together called:
A. Allotrope
B. Isomers
C. Isomorphs
D. Isotopes
According to Journal of Biological Chemistry 158, human brain and heart are composed of ____water?
A. 75%
B. 81%
C. 73%
D. 89%
The solution remaining after the formation of crystals is called:
A. Mother liquor
B. Dilute solution
C. Residue
D. both A & B
When Ammonia is used as a refrigerant in vapour compression cycle?
A. Cu Tubing used
B. Steel tubes used
C. Both a & b
D. Material does not effect by refrigerant
Example of ‘globular’ proteins is:
A. Peptide
B. Enzymes
C. Primary protein
D. Secondary proteins
