MCQ
Mitosis is characterized by
- AReduction division
- ✓Equal division
- CBoth ($a$) and ($b$)
- DAbsence of spindle formation
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$\begin{array}{|p{0.3\linewidth}|p{0.5\linewidth}|} \hline Column\,\,-I & Column\,\,-II \\ \hline A.\,\,Vacuole & i.\,\,Krebs\,\,cycle \\ \hline B.\,\,Mitochondria & ii.\,\,Photosynthesis \\ \hline C.\,\,Golgibody & iii.\,\,Excretion \\ \hline D. Chloroplast & iv. Synthesis site of glycolipid and glycoprotein \\ \hline \end{array}$
$(i)$ 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.