Bacteria are made up of

Which one of the following organisms is not an eukaryote?

What is true for Archaebacteria?

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

Pigment containing membranous extensions in some cyanobacteria are

Select the mismatched pair from the following.