MCQ
Closed circulatory system occurs in
- ✓Earthworm
- BCockroach
- CGrasshopper
- DHousefly
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| Alveolar Air | Atmospheric Air | |
| $p O _{2}$ | $ X$ | $ Y$ |
| $pCO _{2}$ | $A$ | $B$ |
|
Type of microbes |
Scientific name |
Commercial product |
|
Bacterium |
$a$ |
Clot buster enzyme |
|
$d$ |
Aspergillus niger |
Citric acid |
|
Fungus |
Trichoderma polysporim |
$c$ |
|
Bacterium |
$d$ |
Butyric acidb |