Chapter 12: Basis of Classification — Online MCQ Test
SCIENCE · Samacheer Kalvi 7th · Tamil Nadu State Board
Practice Chapter 12: Basis of Classification with a free chapter-wise online MCQ test.
This chapter covers: Classification taxonomy species Classification of living organisms and fundamentals of taxonomy.
AI-generated questions from basic to board-exam level, with instant results and explanations.
Chapter 12: Basis of Classification — Important Questions & Answers
What is the process of arranging living organisms into groups based on similarities and differences called?
- A. Digestion
- B. Classification
- C. Respiration
- D. Transpiration
Answer: B. Classification
Classification means grouping organisms according to common features. It helps in studying living things in an organized way.
Classification means grouping organisms according to common features. It helps in studying living things in an organized way.
The science of naming and classifying living organisms is called:
- A. Taxonomy
- B. Ecology
- C. Zoology
- D. Botany
Answer: A. Taxonomy
Taxonomy is the branch of science that deals with the naming and classification of organisms.
Taxonomy is the branch of science that deals with the naming and classification of organisms.
Why is classification of living organisms useful?
- A. It makes organisms heavier
- B. It helps in easy study and identification
- C. It changes their habitat
- D. It increases their number
Answer: B. It helps in easy study and identification
Classification helps us study the huge variety of living organisms in an orderly manner and identify them easily.
Classification helps us study the huge variety of living organisms in an orderly manner and identify them easily.
If two organisms belong to the same family but different genera, what can be said about them?
- A. They are completely unrelated
- B. They share some common features but are less similar than organisms in the same genus
- C. They must be identical
- D. They belong to different kingdoms
Answer: B. They share some common features but are less similar than organisms in the same genus
Organisms in the same family are related, but they may belong to different genera and thus have fewer similarities than those in the same genus.
Organisms in the same family are related, but they may belong to different genera and thus have fewer similarities than those in the same genus.
In taxonomy, if two organisms are placed in the same kingdom but different phyla, what does it indicate?
- A. They are very closely related
- B. They share only very broad similarities
- C. They must have the same species name
- D. They belong to the same genus
Answer: B. They share only very broad similarities
Kingdom is a very broad category. Organisms in the same kingdom but different phyla share only basic similarities.
Kingdom is a very broad category. Organisms in the same kingdom but different phyla share only basic similarities.