Question

Which of the following kingdoms has no well defined boundaries?

• A. Monera
• B. Protista
• C. Fungi
• D. None of these

Answer 1

The correct option is B Protista

Five kingdom classification was proposed by R.H. Whittaker. According to this organisms has been divided into five kingdoms Monera, Protista, Fungi, Animalia, Plantae. Organisms are divided on the basis of different characters like cell boundary, shape, type of nutrition etc.

According to R.H. Whittaker classification-

Monera has a cell wall. It is made up of polysaccharides i.e. peptidoglycan

Fungi have a cell wall. It is made up of chitin.

Protista has no well-defined boundaries.

So, the correct answer is 'Protista'.