What is the reason for the ground surface becoming slippery during the rainy season?

In the digestive tract of several ruminant animals like cows and buffaloes,which bacteria are present?

What type of microorganism is $Oscillatoria$?

Which of the following statements are incorrect for $Nostoc$ and $Anabaena$?
$(a)$. Possess tissue level organization
$(b)$. Have heterocysts
$(c)$. Can fix atmospheric hydrogen
$(d)$. They are eubacteria

Select the incorrect statement regarding Eubacteria:

Which of the following is called the "Jokers of the microbiological park"?