Animal Kingdom Practice Questions

Class 11 · Biology · 2291 free MCQs with instant results and detailed explanations.

2291

Total

717

Easy

1127

Medium

447

Hard

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Topics in Animal Kingdom

Phylum Characteristics 576

Chordates 562

Non-Chordates 559

Classification of Animals 594

Sample Questions from Animal Kingdom

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

Easy

Which of the following is a characteristic feature of Chordates?

A. Presence of a notochord

B. Exoskeleton made of chitin

C. Radial symmetry

D. Body divided into segments

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Correct Answer: A

Chordates are defined by the presence of a notochord at some stage of their development, which is a flexible rod that provides support.

Easy

Which of the following animals belongs to the class Mammalia?

A. Frog

B. Eagle

C. Bat

D. Lizard

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Correct Answer: C

Bats are classified under Mammalia because they are warm-blooded, have fur, and give live birth, unlike the other options.

Easy

In terms of body symmetry, which of the following animals exhibits bilateral symmetry?

A. Starfish

B. Butterfly

C. Coral

D. Sea anemone

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Correct Answer: B

Butterflies exhibit bilateral symmetry, meaning their left and right sides are mirror images, while the other options display radial or asymmetrical symmetry.

Medium

Which of the following phyla is characterized by having a segmented body?

A. Annelida

B. Mollusca

C. Porifera

D. Cnidaria

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Correct Answer: A

Phylum Annelida includes segmented worms, which exhibit a body divided into repeated segments.

Medium

Which of the following is NOT a characteristic of arthropods?

A. Exoskeleton

B. Jointed legs

C. Notochord

D. Segmentation

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Correct Answer: C

Arthropods do not possess a notochord; instead, they have an exoskeleton and jointed legs.

Medium

In which class of the phylum Chordata do mammals belong?

A. Reptilia

B. Aves

C. Mammalia

D. Amphibia

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Correct Answer: C

Mammals are classified under class Mammalia, characterized by hair and mammary glands.

Medium

Which of the following is a defining feature of the phylum Mollusca?

A. Radula

B. Notochord

C. Jointed appendages

D. Dorsal nerve cord

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Correct Answer: A

The radula is a unique feeding structure found in most mollusks, used for scraping food.

Hard

Which phylum includes organisms that have a segmented body and a true coelom?

A. Arthropoda

B. Annelida

C. Mollusca

D. Echinodermata

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Correct Answer: B

Annelids are characterized by segmented bodies and a true coelom, making them distinct from other phyla.

Hard

Which of the following is NOT a characteristic of the phylum Chordata?

A. Presence of a notochord

B. Dorsal nerve cord

C. Jointed appendages

D. Pharyngeal slits

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Correct Answer: C

Chordates are defined by the presence of a notochord, dorsal nerve cord, and pharyngeal slits, while jointed appendages are characteristic of arthropods.

Q10

Hard

Which class of the phylum Arthropoda is characterized by having two pairs of antennae?

A. Insecta

B. Arachnida

C. Crustacea

D. Myriapoda

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Correct Answer: C

Crustaceans possess two pairs of antennae, setting them apart from other arthropod classes.

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Animal Kingdom — Class 11 Biology Practice Questions Online

This page contains 2291 practice MCQs for the chapter Animal Kingdom in Class 11 Biology. The questions are organized by difficulty — 717 easy, 1127 medium, 447 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 4 topics, giving you comprehensive coverage of the entire chapter.