MCQ
Which gas is present predominantly in biogas?
- ✓Methane
- BEthane
- CButane
- DPropane
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

| Microbe | Product | Application |
| $(a)$ Streptococccus | Streptokinase | Removal of clot fromblood vessel |
| $(b)$ Clostridium butylicum | Lipase | Removal of oil stains |
| $(c)$ Trichoderma polysporum | Cyclosporin $A$ | Immuno-suppressive drug |
| $(d)$ Monascus purpureus | Statins | Lowering of blood cholesterol |
