Approximate age of sun is _________?
Approximate age of sun is _________?
		A. 4.4 billion years
B. 4.5 billion years
C. 4.6 billion years
D. 4.7 billion years
Approximate age of sun is _________?
		A. 4.4 billion years
B. 4.5 billion years
C. 4.6 billion years
D. 4.7 billion years
Sum of all ecosystems is classified as___________?
		A. Aero sphere
B. Ionosphere
C. Biosphere
D. Ozonosphere
		A. Petrol
B. Kerosene
C. Gasoline
D. Diesel
		A. unicellular
B. multicellular
C. acellular
D. none of these
Viruses are nor unicellular neither multicellular the are acellular organisms means without cell configuration. Actually they are only made up of nucleic acid and proteins. Viruses are acellular biological entities made up of nucleic acid and proteins. The nucleic acid is either DNA or RNA; both are never found together in a virus. Thus viruses are neither unicellular nor multicellular.
A. Over the South Pole
B. Over the North Pole
C. Over the Atlantic Ocean
D. None of the above
A. zinc
B. iodine
C. copper
D. iron
		A. Low pressure to high pressure
B. High pressure to low pressure
C. Only low pressure
D. Only high pressure