STD 12 - 1. sexual reproduction in flowering plants — NEET STD 11 Science — Question

$(I)$ Formation bipolar spindle   

$(II)$ Formation of lysosome

$(III)$ Formation of mesosome

$(IV)$ Formation of ribosome

$I.$ Cytokinins are formed primarily in roots

$II.$ Auxin and cytokinin are antagonistic in apical dominance

$III.$ Kinetin (a modified $DNA$ purine) was discovered from herring sperm

$IV.$ Zeatin is auxin

$V.$ Zeatin was firstly extracted from herring

Choose the incorrect one

$II.$ If a foreign $DNA$ ligates at the Bam Hl site oftetracycline resistance gene in the vector $pBR322$, the recombinant plasmid loses the tetracycline resistance due to insertion offoreign $DNA$.

Choose regarding the above statements.