Which of the following characteristics does NOT belong to a sea cucumber?

D. Arms sharply set off from central disc

A. Tube feet used for locomotion

C. Leathery body wall with reduced ossicles

D. Arms sharply set off from central disc

Everyday Science · Zoology & Animal Kingdom · page 11 of 46

Classes of Animals MCQs with Answers

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Classes of Animals MCQs (101–110)

10 MCQs with answers and a short one-liner. Hide answers to test yourself.

Past paper MCQs in this chapter · See all past papers

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101.
Past Paper MCQ
Antlers are found in?
Correct Answer: C. Both of these
One-liner
Antlers are found in both Urial and Deer, as both belong to the cervid or related ungulate families that grow antlers.
102.
Which is not a larva of sponge?
Correct Answer: C. Planula
One-liner
Planula is not a larva of sponge; it is the free-swimming larval stage of cnidarians (like jellyfish and corals).
103.
Big cats include ?
Correct Answer: D. All of these
One-liner
Big cats include All of these — tiger, lion, and jaguar are all members of the Panthera genus, classified as big cats.
104.
Flame cells are commonly found in _?
Correct Answer: C. Platyhelminthes
One-liner
Flame cells are specialized excretory structures commonly found in Platyhelminthes (flatworms).
105.
Which elephants have larger ears than Asian elephants?
Correct Answer: D. African elephants
One-liner
African elephants have larger ears than Asian elephants.
106.
Which of the following are called egg laying mammals?
Correct Answer: B. Monotremes
One-liner
Egg-laying mammals are called Monotremes.
107.
Which of the following characteristics does NOT belong to a sea cucumber?
Correct Answer: D. Arms sharply set off from central disc
One-liner
Sea cucumbers do NOT have arms sharply set off from a central disc; that feature is characteristic of sea stars (starfish).
108.
Which class does an animal belong to if it drinks milk as a baby and has hair on its body?
Correct Answer: C. Mammals
One-liner
An animal that drinks milk as a baby and has hair on its body belongs to the class Mammals.
109.
Cnidarians have a unique feature of presence of specialized organelles that eject a stinging thread called _?
Correct Answer: A. Nematocysts
One-liner
Cnidarians possess specialized stinging organelles called nematocysts that eject a coiled, harpoon-like thread for defense and prey capture.
110.
Malpighian tubules are found in:
Correct Answer: C. Grasshopper
One-liner
Malpighian tubules are excretory organs found in grasshopper and other insects.

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Classes of Animals MCQs with Answers

Classes of Animals MCQs (101–110)

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