MCQ
Mesosome in a bacterial cell is
- APlasmid
- BConnection between two cells
- ✓Plasma membrane infolded for respiration
- DNone of these
It is have respiratory enzymes like succinic dehydrogenase cytochrome oxidase for respiration.
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$(i)$ Mouth opens into a short tubular pharynx, leading to a narrow tubular passage called oesophagus.
$(ii)$ Gizzard helps in grinding the food particles.
$(iii)$ A ring of $6-8$ blind tubules called hepatic or gastric caecae is present at the junction of foregut and midgut, which secrete digestive juice.
$(iv)$ At the junction of midgut and hindgut is present another ring of $100-150$ yellow coloured thin filamentous malphigian tubules which help in removal of excretory products from haemolymph.