MCQ
Biolistic gun is suitable for:
- ATransformation of plant cells
- BDisarming pathogen vectors
- CDNA finger printing
- DConstructing recombinant DNA
Explanation:
A gene gun is used for delivery of exogenous DNA to cells. This method is known as 'biolistics'. Gene guns can be used effectively on most cells but are mainly used on plant cells.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

$I.$ Ladybirds and dragonflies are used to get rid of aphids and mosquitoes
$II.$ The bacteria Bacillus thuringiensis $(B t)$ are used to control butterfly caterpillars
$III.$ Trichoderma sp. free living fungi, are present in root ecosystems where they act against several plant pathogens
$IV.$ Rhizobium is a symbiotic bacterium that lives in the stem of legumes
Which of the statements given above are correct?