MCQ
In a tree ecosystem, the pyramid of number is
- AUpright
- BInverted
- ✓Both of the above
- DNone of the above
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$I.$ S-phase - $DNA$ replication
$II.$ Zygotene - Synapsis
$III.$ Diplotene - Crossing over
$IV.$ Meiosis - Shown by haploid and diploid cells
$V.$ $G_{2}$-phase - Quiescent stage
What does $A$ and $B$ refer here?
| Substrate | Enzyme |
| $(A)$ Ribonucleotide | $(i)$ Chitinase |
| $(B)$ Chitin | $(ii)$ Cellulase |
| $(C)$ Cellulose | $(iii)$ Ribonuclease |