Animal Kingdom Practice Questions
NEET · Biology · 1484 free MCQs with instant results and detailed explanations.
1484
Total
308
Easy
662
Medium
514
Hard
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Topics in Animal Kingdom
Classification Basis
296
Chordates
303
Phylum Characteristics
292
Non-Chordates
292
Phylum Classification
301
Sample Questions from Animal Kingdom
Here are 10 sample questions. Start a quiz to get randomized questions with scoring.
Q1
Easy
Which phylum of the Animal Kingdom is characterized by having a notochord at some stage of their life cycle?
A.
Chordata
B.
Arthropoda
C.
Mollusca
D.
Echinodermata
Show Answer & Explanation
Correct Answer: A
Chordata is the only phylum that is defined by the presence of a notochord at some stage of development, which is a key characteristic distinguishing them from other phyla.
Q2
Easy
Which of the following phyla includes organisms with jointed appendages?
A.
Mollusca
B.
Annelida
C.
Arthropoda
D.
Cnidaria
Show Answer & Explanation
Correct Answer: C
Arthropoda is known for having jointed appendages which are a distinguishing feature of this phylum, encompassing insects, arachnids, and crustaceans.
Q3
Easy
Which phylum contains organisms that exhibit radial symmetry?
A.
Echinodermata
B.
Nematoda
C.
Porifera
D.
Chordata
Show Answer & Explanation
Correct Answer: A
Echinodermata exhibits radial symmetry, particularly in adults, which sets them apart from other phyla like Nematoda and Chordata that show bilateral symmetry.
Q4
Medium
Which of the following organisms belongs to the phylum Arthropoda?
A.
Starfish
B.
Earthworm
C.
Cockroach
D.
Snail
Show Answer & Explanation
Correct Answer: C
Cockroach is an insect, and insects are part of the phylum Arthropoda, which is known for jointed appendages and an exoskeleton.
Q5
Medium
Which phylum is known for having a water vascular system?
A.
Mollusca
B.
Echinodermata
C.
Cnidaria
D.
Nematoda
Show Answer & Explanation
Correct Answer: B
Echinodermata is characterized by a unique water vascular system that aids in locomotion and feeding, distinguishing it from the other phyla listed.
Q6
Medium
In the classification of animals, which of the following is NOT a characteristic feature of the phylum Porifera?
A.
Presence of pores
B.
Radial symmetry
C.
Presence of a true body cavity
D.
Filter feeding
Show Answer & Explanation
Correct Answer: C
Porifera, or sponges, lack a true body cavity (coelom). They are characterized by porous bodies and filter feeding mechanisms.
Q7
Medium
Which class of the phylum Chordata is characterized by the presence of mammary glands?
A.
Reptilia
B.
Aves
C.
Mammalia
D.
Amphibia
Show Answer & Explanation
Correct Answer: C
Mammalia is the only class within Chordata that possesses mammary glands, which are essential for nursing young.
Q8
Hard
Which of the following phyla is characterized by body segmentation and a true coelom?
A.
Annelida
B.
Nematoda
C.
Porifera
D.
Cnidaria
Show Answer & Explanation
Correct Answer: A
Annelida is characterized by body segmentation and a true coelom, which distinguishes it from Nematoda (which has a pseudocoelom), Porifera (which lacks true tissues), and Cnidaria (which has a simple body plan).
Q9
Hard
Which class within the phylum Arthropoda is primarily characterized by the presence of a cephalothorax and chelicerae?
A.
Insecta
B.
Arachnida
C.
Crustacea
D.
Myriapoda
Show Answer & Explanation
Correct Answer: B
Arachnida is characterized by a cephalothorax and chelicerae, which are used for feeding, distinguishing it from other classes in Arthropoda like Insecta, Crustacea, and Myriapoda.
Q10
Hard
Which of the following groups exhibits radial symmetry and a gastrovascular cavity?
A.
Echinodermata
B.
Cnidaria
C.
Mollusca
D.
Platyhelminthes
Show Answer & Explanation
Correct Answer: B
Cnidaria exhibits radial symmetry and possesses a gastrovascular cavity, which is essential for digestion and distribution of nutrients, a feature not found in Echinodermata, Mollusca, or Platyhelminthes.
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Animal Kingdom — NEET Biology Practice Questions Online
This page contains 1484 practice MCQs for the chapter Animal Kingdom in NEET Biology. The questions are organized by difficulty — 308 easy, 662 medium, 514 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 5 topics, giving you comprehensive coverage of the entire chapter.