MCQ
Which of the following is correctly matched?
- ✓Agrobacterium tumefaciens - Tumour
- BThermos aquaticus - Bt-gene
- C$pBR322 \;-$ Enzyme
- DLigase - Molecular scissors
Symptoms are caused by the insertion of a small segment of $DNA$, known as $T-DNA$ (transfer $DNA$) into the plant cell, which is incorporated at a semi-random location into the plant genome.
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$I.$ chemical engineering
$II.$ genetic engineering
$III.$ human genome engineering
$IV.$ molecular biology
Choose the correct option
$(I)$ Nucleus of the functional megaspore divides meiotically to form two nuclei.
$(II)$ After $8$ nucleate stage, cell walls are laid down leading to organization of typical female gametophyte
$(III)$ The egg apparatus, consists of two synergids and one egg cell.
$(IV)$ Three cells are at the chalaza end are called antipodal cells.