MCQ
Terminal cytochrome of respiratory chain which donates electrons to oxygen is:
- A$\text{cyt. b}$
- B$\text{cyt. c}$
- C$\ce{cyt. a_1}$
- ✓$\ce{cyt.-a_3}$
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$(i)$ It is the basic unit of classification.
$(ii)$ It is defined as the group of individuals which resemble in their morphological and reproductive characters and interbreed among themselves and produce fertile offsprings.
$(iii)$ Human beings belong to the species sapiens which is grouped in the genus Homo.

$I.$ skeletal $II.$ visceral
$III.$ cardiac $IV.$ non-visceral
The correct option is