Which of the following has two unequal apical flagella?

Assertion $(A)$: The domain $Eukarya$ is divided into five kingdoms.
Reason $(R)$: The three-domain system of classification was proposed by $Carl$ $Woese$.

Which of the following kingdoms consists of organisms that obtain nutrition through ingestion?

Which of the following organisms is unicellular?

Out of the four statements $(1-4)$ given below,two are correct regarding Whittaker's classification system. Which two are correct?
$(1)$ Classification based on cell complexity
$(2)$ Classification based on mode of nutrition
$(3)$ Classification based on phylogenetic relationships
$(4)$ Classification based on habitat type

What is the main basis of classification in the Five Kingdom system?