MCQ
Big holes in Swiss cheese are made by a:
- AA machine.
- BA bacterium that produces methane gas.
- CA bacterium producing a large amount of carbon dioxide.
- DA fungus that releases a lot of gases during its metabolic activities.
A bacterium called Propionibacterium shermanii produces a large amount of carbon dioxide during fermentation. This is the reason of big holes in Swiss cheese.
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Statement $I:$ Vas deferens receives a duct from seminal vesicle and opens into urethra as the ejaculatory duct.
Statement $II:$ The cavity of the cervix is called cervical canal which along with vagina forms birth canal.
In the light of the above statements, choose the correct answer from the options given below: