MCQ
Vertebrates have complex tubular organs, which are called :
- AHeart
- BLung
- ✓Kidney
- DLiver
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Statement $I$: Chromosomes become gradually visible under light microscope during leptotene stage.
Statement $II$ : The beginning of diplotene stage is recognized by dissolution of synaptonemal complex.
In the light of the above statements, choose the correct answer from the options given below:
$\begin{array}{|l|l|} \hline Column\,\,-I & Column\,\,-II \\ \hline A.\,\,Natural\,\,auxin & 1.\,\,IAA \\ \hline B.\,\,Synthetic\,\,auxin & 2.\,\,NAA \\ \hline & 3.\,\,IBA \\ \hline & 4.\,\,2-4-D \\ \hline \end{array}$
$A - B$