MCQ
Which is a microbial insecticide
- ✓Bacillus thuringenesis
- BB. subtilis
- CB. polymixa
- DB. brevis
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$I$. Chordata $II$. Annelida
$III$. Arthropoda $IV$. Platyhelminthes
$V$. Ctenophora $VI$. Aschelminthes
$I.$ Increase in the volume of the thoracic chamber in dorsoventral axis
$II.$ Upward and outward movement of the ribs
$III.$ Contraction of intercostal muscles
$IV.$ Entry of air inside the lungs
$V.$ Contraction of the diaphragm
$VI.$ Increase in the volume of the thoracic chamber in antero-posterior axis
Choose the correct option