MCQ
In a pond ecosystem, benthos means
- ✓Primary consumers in the depth of a pond
- BZooplankton on the water surface
- CPeriphyton
- DEpineuston
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| 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 |
$(1)$ Growth and Reproduction are inclusive events.
$(2)$ unicellular organisms grow by cell division.
$(3)$ Both are exclusive