Chapter 2: Biological Classification — Online MCQ Test
BIOLOGY · CLASS 11 INTER I YEAR · Andhra State Board
Practice Chapter 2: Biological Classification with a free chapter-wise online MCQ test.
This chapter covers: Five Kingdom Classification Monera Protista Fungi Plantae Animalia Prokaryotes Eukaryotes Classification Characteristics.
AI-generated questions from basic to board-exam level, with instant results and explanations.
Chapter 2: Biological Classification — Important Questions & Answers
Who proposed the Five Kingdom Classification system?
- A. Carl Woese
- B. R.H. Whittaker
- C. Ernst Haeckel
- D. Linnaeus
Answer: B. R.H. Whittaker
R.H. Whittaker proposed the Five Kingdom Classification in 1969 based on cell structure, body organisation, mode of nutrition, and reproduction.
R.H. Whittaker proposed the Five Kingdom Classification in 1969 based on cell structure, body organisation, mode of nutrition, and reproduction.
Which kingdom includes organisms that are prokaryotic?
- A. Monera
- B. Protista
- C. Fungi
- D. Plantae
Answer: A. Monera
Monerans are prokaryotic organisms, meaning they lack a true nucleus and membrane-bound organelles.
Monerans are prokaryotic organisms, meaning they lack a true nucleus and membrane-bound organelles.
An organism is unicellular, eukaryotic and often motile. It is most likely placed in which kingdom?
- A. Monera
- B. Protista
- C. Plantae
- D. Animalia
Answer: B. Protista
Unicellular eukaryotic and often motile organisms are typically placed in Protista.
Unicellular eukaryotic and often motile organisms are typically placed in Protista.
Which statement best explains why viruses are not placed in Whittaker’s five kingdom classification?
- A. They are prokaryotic
- B. They lack cellular organisation
- C. They are multicellular
- D. They have chitinous walls
Answer: B. They lack cellular organisation
Viruses are acellular and do not show cellular organisation, so they are not included in the five kingdom system.
Viruses are acellular and do not show cellular organisation, so they are not included in the five kingdom system.
Why did Whittaker place cyanobacteria in Monera instead of Protista?
- A. Because they are multicellular
- B. Because they are prokaryotic
- C. Because they lack cell wall
- D. Because they are always parasitic
Answer: B. Because they are prokaryotic
Cyanobacteria are bacteria and therefore prokaryotic, which places them in Monera.
Cyanobacteria are bacteria and therefore prokaryotic, which places them in Monera.