MCQ
Pusa shubhra is a variety of:
- ✓Cauliflower
- BChilli
- CWheat
- DCabbage
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$I.$ The bacteria Bacillusthuringiensis $(B t)$ are used to control butterfly catterpillers
$II.$ Fresh spores of $B t$ are mixed with water and sprayed on seeds such as brassicas and fruit trees
$III.$ Insect larvae, after eating these are killed by the toxin released in their gut
$IV.$ Bt toxin genes have been introduced into plants to provide resistance to pests
Which of the statements given above are correct?
$I.$ Separation of the product from the reactor
$II.$ Purification of the product
$III.$ Formation of the product with suitable preservatives
$IV.$ Quality control testing and clinical trials in case of drugs Which of the statements given above are correct?
Reason : Carbon dioxide produced during fermentation causes bread dough to rise by thermal expansion.