In the five-kingdom classification system,how many kingdoms are eukaryotic?

Who was the founder of the five-kingdom system of classification?

What type of sexual reproduction can be observed in the organism shown in the given figure?

Read the following statements.
$a. 2, 4-D$ is widely used to kill dicotyledonous weeds and does not affect mature monocot plants.
$b.$ Auxin helps to overcome apical dominance.
$c.$ The pigments of euglenoids are identical to those present in higher plants.
$d.$ The cell wall is absent in dinoflagellates.
Select the correct statements -

Four kingdom classification was proposed by

Biological classification is a dynamic and ever-evolving phenomenon which keeps changing with our understanding of life forms. Justify the statement by taking any two examples.