MCQ
Why are biological names written in Italics?
- ATo show Italian origin
- BTo show British origin
- CTo show French origin
- DTo show Latin origin
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$(1)$ $Z$ shape is formed when all the carriers are placed in a sequence on a redox potential scale.
$(2)$ The $4e^-$ released are accepted by various electron acceptors and finally enter into $PS-II$ instead of returning to $PS-I.$
$(3)$ In this process both $PS-I$ and $PS-II$ take part
$(4)$ As the electrons released in various ways do not return to their original donors, such an electron transport is called non-cyclic electron transport.
| Column $I$ | Column $II$ |
| $A.$ Synapsis aligns homologous chromosomes | $(i)$ Anaphase $II$ |
| $B.$ Synthesis of $RNA$ and protein | $(ii)$ Zygotene |
| $C.$ Action of enzyme recombinase | $(iii)$ $G_2$ phase |
| $D.$ Centromeres do not separate but chromatids move towards opposite poles | $(iv)$ Anaphase $I$ |
| $(v)$ Pachytene |