Select true statements from the followings $:-$
$(i)$ Aristotle used morphological characters to classify plants.
$(ii)$ Two kingdom classification was proposed by Linnaeus.
$(iii)$ Whittaker used Habitat information in his five kingdom classification.
$(iv)$ Archaebacteria can live under extreme conditions.

Which of the following pairs is not correctly matched?

In $R.H. Whittaker's$ five-kingdom classification,eukaryotes were placed in ..........

Bacteria and yeast are similar in all features except one. Identify the exception.

Consider the following statements $(A-D)$:
$(A)$ Heterocysts are important sites for nitrogen fixation in $\text{BGA}$.
$(B)$ Cell wall of diatoms is indestructible due to presence of calcium carbonate.
$(C)$ In fungi,the cell wall is made up of chitin.
$(D)$ Algae show isogamous,anisogamous,and oogamous types of sexual reproduction.
How many of the above statement$(s)$ is/are not correct?

Into how many kingdoms is the domain Eukarya divided?