The Fundamental Unit of Life — Science STD 9 — Question
Rajasthan BoardEnglish MediumSTD 9ScienceThe Fundamental Unit of Life1 Mark
Question
Which of the following can be made into crystal?
✓
Answer
A virus.
Explanation:
Viruses are considered as an intermediate between living and non-living cells because they cannot metabolise and reproduce on their own. They can reproduce only when enters in a host’s body. They are an exception to cell theory.
A virus crystal is a collection of thousands of viruses. A viral crystal is a pore collection used for chemical studies.
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