MCQ
In a pond ecosystem, the food chain starts with:
- AZooplanktons.
- BSmall insects.
- ✓Phytoplanktons.
- DSmall fishes.
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Bacterium
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|
Product
|
| $i.$ |
Aspergillus niger
|
$a.$ |
Lactic acid
|
| $ii.$ |
Acetobacter aceti
|
$b.$ |
Butyric acid
|
| $iii.$ |
Clostridium butylicum
|
$c.$ |
Acetic acid
|
| $iv.$ |
Lactobacillus
|
$d.$ |
Citric acid
|
| List $I$ | List $II$ |
| $A$. Clostridium butylicum | $1$. Ethanol |
| $B$.Saccharomycescerevisiae | $II$. Streptokinase |
| $C$.Trichodermapolysporum | $III$. Butyric acid |
| $D$. Streptococcus sp. | $IV$.Cyclosporin-$A$ |
Choose the correct answer from the options given below: