MCQ
The haem protein complexes, which act as oxidizing agents are known as
- AHaemoglobin
- BMyoglobin
- CChlorophyll
- ✓Cytochrome
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$(i)$ All living organisms have ability to respond the environment stimuli which could be physical, chemical or biological.
$(ii)$ Plants respond to external factors like light, water, temperature, other organisms, pollutants, etc.
$(iii)$ Photoperiod affects the process of reproduction.
$(iv)$ Human being is the only organism who has self consciousness.
Here, $A$ and $B$ refer to