Which of the following is of organic origin?
- (a)Coral
- (b)Emerald
- (c)Ruby
- (d)Topaz
Asked in
UK PSC (Pre) -2011
Related questions
- Maximum Coastal erosion is caused by
- The Geographical regions which are particularly rich in endemic, rare and threatened species, found relatively in small areas and facing significant habitat loss are referred to as:
- The shape of Atoll is:
- In which of the following days, all place on the Earth experience 12 hours of day and 12 hours of night?
- 'Project Tiger' was started in India in the year–