Chapter Exam

Unit 1 Chapter 2: Biological Classification — Online MCQ Test

Q: Who introduced the five-kingdom classification system?

Answer: A. R.H. Whittaker — R.H. Whittaker proposed the five-kingdom system in 1969 based on cell structure, body organization, mode of nutrition, and reproduction.

Q: Which of the following is a non-cellular entity?

Answer: B. Virus — Viruses are acellular and lack cellular organization. They can replicate only inside a living host cell.

Q: Which one of the following organisms is eukaryotic and unicellular?

Answer: B. Euglena — Euglena is a unicellular eukaryote and is placed in Protista. Bacillus and Nostoc are prokaryotes, while Penicillium is multicellular.

Q: An organism shows prokaryotic organization, absence of a true nucleus, and a cell wall made of peptidoglycan. It belongs to:

Answer: B. Monera — Peptidoglycan-containing cell walls and absence of a true nucleus are characteristic features of Monera.

Q: A plant virus, a viroid, and a prion are compared. Which of the following correctly arranges them in increasing order of structural complexity?

Answer: A. Prion < Viroid < Virus — Prions are only proteinaceous, viroids are naked RNA molecules, and viruses have nucleic acid enclosed in a protein coat, making them more complex.

BOTANY · CLASS 11 INTERMEDIATE 1 YEAR · Telangana State Board

Practice Unit 1 Chapter 2: Biological Classification with a free chapter-wise online MCQ test for Telangana State Board CLASS 11 INTERMEDIATE 1 YEAR BOTANY. This chapter covers: This chapter covers kingdom classifications including Monera Protista Fungi Plantae Animalia six-kingdom systems and non-cellular entities like viruses viroids prions and lichens.. AI-generated questions from basic to board-exam level, with instant results and explanations.

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Unit 1 Chapter 2: Biological Classification — Important Questions & Answers (FAQ)

Frequently asked questions from Telangana State Board CLASS 11 INTERMEDIATE 1 YEAR BOTANY — Unit 1 Chapter 2: Biological Classification, with answers and explanations. These are sample questions; the exam has its own separate question set.

Who introduced the five-kingdom classification system?

A. R.H. Whittaker ✓
B. Carl Linnaeus
C. E.J. Smith
D. Theodor Schwann

Answer: A. R.H. Whittaker
R.H. Whittaker proposed the five-kingdom system in 1969 based on cell structure, body organization, mode of nutrition, and reproduction.

Which of the following is a non-cellular entity?

A. Bacteria
B. Virus ✓
C. Amoeba
D. Yeast

Answer: B. Virus
Viruses are acellular and lack cellular organization. They can replicate only inside a living host cell.

Which one of the following organisms is eukaryotic and unicellular?

A. Bacillus
B. Euglena ✓
C. Nostoc
D. Penicillium

Answer: B. Euglena
Euglena is a unicellular eukaryote and is placed in Protista. Bacillus and Nostoc are prokaryotes, while Penicillium is multicellular.

An organism shows prokaryotic organization, absence of a true nucleus, and a cell wall made of peptidoglycan. It belongs to:

A. Protista
B. Monera ✓
C. Fungi
D. Plantae

Answer: B. Monera
Peptidoglycan-containing cell walls and absence of a true nucleus are characteristic features of Monera.

A plant virus, a viroid, and a prion are compared. Which of the following correctly arranges them in increasing order of structural complexity?

A. Prion < Viroid < Virus ✓
B. Viroid < Prion < Virus
C. Virus < Viroid < Prion
D. Prion < Virus < Viroid

Answer: A. Prion < Viroid < Virus
Prions are only proteinaceous, viroids are naked RNA molecules, and viruses have nucleic acid enclosed in a protein coat, making them more complex.

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