MCQ
First cell produced on earth is:
- AProtobiont
- BProtozoa
- CMetazoa
- DNone of the above
Explanation:
First cells produced were simple aggregates of organic compounds, called protobionts, which are thought to be precursors of prokaryotes.
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$(i)$ Fleming, Chain and Florey were awarded the Nobel prize in $1945$
$(ii)$ Antibiotics have greatly improved our capacity to treat deadly diseases
$(iii)$ Penicillin was used to treat American soldiers wounded in World War I
$I.$ To minimize their surface volume ratio
$II.$ To minimize heat loss
$III.$ To maximize their surface volume ratio
$IV.$ To maximize heat loss
Choose the correct combination from the given option