Electron Spin Resonance (ESR) measures number of charges occupying deep traps in crystal band gap. The basic principle of ESR is same as those for luminescence i.e., electrons become trapped and stored as a result of ionising radiations e.g., Dating of tooth enamel.
Age of fossils in the post was generally determined by radio-carbon method and other methods involve radioactive elements found the rocks. More…
NEET UG 2004 — Zoology Evolution
2004mcqmedium
Age of fossils in the post was generally determined by radio-carbon method and other methods involve radioactive elements found the rocks. More precise methods, which were used recently and led to the revision of the evolutionary periods far different groups of organisms, includes:
Official previous-year question
Held on 30 Apr 2004 · Verified 9 Jul 2026.
Options
- A
study of carbohydrates or proteins in fossils
- B
study of the conditions of fossilization
- C
electron spin resonance (ESR) and fossil DNA
- D
study of carbohydrates / proteins in rocks.
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NEET UG Evolution in other years
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