Chapter Exam

Chapter 12: Patterns in Life: Diversity and Classification — Online MCQ Test

Q: What is the basic unit of classification in biology?

Answer: B. Species — A species is the basic unit of classification. It includes organisms that are very similar and can usually interbreed.

Q: Which of the following is the correct scientific name format for humans?

Answer: C. Homo sapiens — Scientific names are written in italicized form or underlined when handwritten, with the genus capitalized and species name in lowercase.

SCIENCE · Grade 9 · CBSE(NCERT)

Practice Chapter 12: Patterns in Life: Diversity and Classification with a free chapter-wise online MCQ test for CBSE(NCERT) Grade 9 SCIENCE. This chapter covers: Biodiversity Classification Taxonomy Kingdom Species Genus Family Evolution Characteristics Organisms Scientific Naming Learning how living organisms are classified based on simila.... AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter 12: Patterns in Life: Diversity and Classification — Important Questions & Answers (FAQ)

Frequently asked questions from CBSE(NCERT) Grade 9 SCIENCE — Chapter 12: Patterns in Life: Diversity and Classification, with answers and explanations. These are sample questions; the exam has its own separate question set.

What is the basic unit of classification in biology?

A. Kingdom
B. Species ✓
C. Genus
D. Family

Answer: B. Species
A species is the basic unit of classification. It includes organisms that are very similar and can usually interbreed.

Which of the following is the correct scientific name format for humans?

A. Homo Sapiens
B. homo sapiens
C. Homo sapiens ✓
D. HOMO SAPIENS

Answer: C. Homo sapiens
Scientific names are written in italicized form or underlined when handwritten, with the genus capitalized and species name in lowercase.

Why are organisms classified into groups?

A. To increase the number of species
B. To make the study of organisms easier and systematic ✓
C. To change their natural features
D. To separate living from non-living things

Answer: B. To make the study of organisms easier and systematic
Classification helps in organizing the vast variety of organisms in a simple and systematic way for study and identification.

An organism is placed in the same family as another organism, but not in the same genus. What does this most likely indicate?

A. They are completely unrelated
B. They share some common features but are less similar than organisms in the same genus ✓
C. They must have identical scientific names
D. They belong to different kingdoms

Answer: B. They share some common features but are less similar than organisms in the same genus
Family is a broader group than genus, so organisms in the same family share common features but are not as closely related as those in the same genus.

A student writes the scientific name of mango as Mangifera Indica. What is the error?

A. The genus name should not start with a capital letter
B. The species name should not start with a capital letter ✓
C. Both words should be written in lowercase
D. Scientific names should not be written in italics or underlined

Answer: B. The species name should not start with a capital letter
In binomial nomenclature, the genus starts with a capital letter, but the species name is written in lowercase. The correct form is Mangifera indica.