Diversity in Living Organisms Practice Questions

Class 9 · Science · 3499 free MCQs with instant results and detailed explanations.

3499

Total

1052

Easy

1732

Medium

715

Hard

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Topics in Diversity in Living Organisms

Nomenclature 1104

Classification 1217

Five Kingdom Classification 1178

Sample Questions from Diversity in Living Organisms

Here are 10 sample questions. Start a quiz to get randomized questions with scoring.

Easy

Which of the following is the highest category in the biological classification system?

A. Kingdom

B. Phylum

C. Class

D. Species

Show Answer & Explanation

Correct Answer: A

Kingdom is the highest taxonomic rank in the biological classification system, encompassing a large group of related organisms.

Easy

Which of the following is not a characteristic used for classifying living organisms?

A. Morphology

B. Genetic makeup

C. Color preference

D. Behavior

Show Answer & Explanation

Correct Answer: C

Color preference is not a biological characteristic used in scientific classification; the others are.

Easy

In the binomial nomenclature system, which part of the name is capitalized?

A. Genus

B. Species

C. Both

D. Neither

Show Answer & Explanation

Correct Answer: A

In binomial nomenclature, the genus name is always capitalized, while the species name is in lowercase.

Medium

Which of the following is NOT one of the five kingdoms in the classification system?

A. Monera

B. Fungi

C. Plantae

D. Protozoa

Show Answer & Explanation

Correct Answer: D

Protozoa is a sub-group of the kingdom Protista, not a separate kingdom.

Medium

Which of the following is a characteristic of organisms classified under the kingdom Fungi?

A. Photosynthetic

B. Multicellular

C. Chitin in cell walls

D. Autotrophic

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Correct Answer: C

Fungi are characterized by having chitin in their cell walls, distinguishing them from plants.

Medium

Which of the following statements best describes the term 'taxonomy'?

A. Study of organisms

B. Classification of organisms

C. Evolution of organisms

D. Habitats of organisms

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Correct Answer: B

Taxonomy is the science of classifying organisms into groups based on shared characteristics.

Medium

What is the main basis for the classification of organisms in the Linnaean system?

A. Habitat

B. Morphological features

C. Genetic sequences

D. Behavior

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Correct Answer: B

The Linnaean system primarily classifies organisms based on observable morphological features.

Hard

Which of the following is NOT a characteristic of the Kingdom Animalia?

A. Multicellular organisms

B. Cell wall present

C. Heterotrophic nutrition

D. Movement at some life stage

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Correct Answer: B

Animalia lacks a cell wall, which is characteristic of plants and fungi.

Hard

What is the primary reason for using binomial nomenclature in classification?

A. It provides a universal language.

B. It simplifies the classification process.

C. It is based on common names.

D. It eliminates confusion among species.

Show Answer & Explanation

Correct Answer: A

Binomial nomenclature standardizes species names globally to avoid confusion.

Q10

Hard

Which of the following groups of organisms belong to the same taxonomic level?

A. Lions, Tigers, Cheetahs

B. Horses, Donkeys, Mules

C. Fungi, Bacteria, Algae

D. Insects, Arachnids, Crustaceans

Show Answer & Explanation

Correct Answer: A

Lions, Tigers, and Cheetahs are all in the family Felidae, thus sharing the same taxonomic level.

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Diversity in Living Organisms — Class 9 Science Practice Questions Online

This page contains 3499 practice MCQs for the chapter Diversity in Living Organisms in Class 9 Science. The questions are organized by difficulty — 1052 easy, 1732 medium, 715 hard — so you can choose the right level for your preparation.

Every question includes a detailed explanation to help you understand the concept, not just memorize answers. Take a timed quiz to simulate exam conditions, or practice at your own pace with no time limit. This chapter covers 3 topics, giving you comprehensive coverage of the entire chapter.