The age of trees is determined by its : (1) girth (2) height (3) growth rings (4) general appearance Answer : growth rings...
The cross-section of a stem of tree has fifty rings, what is the age of the tree ? (1) 50 months (2) 5 years (3) 25 years (4) 50 years Answer : 50 years...
The technique of calculating the age of fossil organisms is (1) Radiocarbon dating (2) Electroporation (3) Counting the annual rings (4) Micromanipulation Answer : Radiocarbon dating...
A plant with 30 cm or more circumference from human chest height is identified as (1) Herb (2) Shrub (3) Medicinal herbs (4) Tree Answer : Medicinal herbs...
In Newton's rings experiment, if monochromatic source of light is replaced by another monochromatic source of higher wavelength. What will be the effect on radius (or diameter)? (a) Radius (or ... be no effect (d) Radius (or diameter) will remain constant but there will be more brightness Answer : (b) Radius (or diameter) will increase...
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