- ✓$C_6H_{12}O_6$ $→$ $2C_3H_4O_3$ + $4H$
- B$C_6H_{12}O_6$ + $ 6CO_2$ $→$ $6CO_2$ + $6H_2O$
- C$6H_2O$ + $6CO_2$ $→$ $C_6H_{12}O_6$ + $6O_2$
- DNone of these
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$(i)$ Growth cannot be taken as a defining property of living organism.
$(ii)$ Dead organism does not grow.
$(iii)$ Reproduction cannot be an all inclusive defining characteristic of living organisms.
$(iv)$ No non-living object is capable of replicating itself.
$(v)$ Metabolism in a test tube is non-living.
$(vi)$ Metabolism is a defining feature of all living organisms.
$(i)$ Most of them are fresh water organisms found in standing water.
$(ii)$ They have a protein rich layer (called pellicle) which makes their body flexible.
$(iii)$ They have two flagella, a short and a long one.
$(iv)$ Though they are photosynthetic in the presence of sunlight, but in the absence of sunlight they behave like heterotrophs by predating on other smaller organisms. Identify the correct group on the basis of these characters.