MCQ
The bark of tree comprises
- AAll the tissues outside the cork cambium
- ✓All the tissues outside the vascular cambium
- COnly the cork
- DThe cork and secondary cortex
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$\begin{array}{|l|l|} \hline Column\,\,-I & Column\,\,-II \\ \hline A.\,\,Plant\,\,growth\,\,promoters & 1.\,\,Auxin \\ \hline B.\,\,Plant\,\,growth\,\,inhibitor & 2.\,\,Gibberellin \\ \hline & 3.\,\,Abscisic\,\,acid \\ \hline & 4.\,\,Cytokinin \\ \hline \end{array}$
$A - B$
$A$. Tetrad formation is seen during Leptotene.
$B$. During Anaphase, the centromeres split and chromatids separate.
$C$. Terminalization takes place during Pachytene.
$D$. Nucleolus, Golgi complex and ER are reformed during Telophase.
$E$. Crossing over takes place between sister chromatids of homologous chromosome. Choose the correct answer from the options given below: