MCQ
At which level of thoracic vertebra, trachea divides
- A$2^{\text {nd }}$ thoracic vertebra
- ✓$5^{\text {th }}$ thoracic vertebra
- C$3^{\text {rd }}$ thoracic vertebra
- D$4^{\text {th }}$ thoracic vertebra
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| Column $I$ | Column $II$ | ||
| $A$ | Chromosomes are moved to spindle equator |
$I$ | Pachytene |
| $B$ | Centromere splits and chromatids move apart |
$II$ | Zygotene |
| $C$ | Pairing between homologous chromosomes takes place |
$III$ | Anaphase |
| $D$ | Crossing between homologous chromosomes |
$IV$ | Metaphase |