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NEET 2024 Zoology Practice Test

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Questions and Answers

Which of the following statements is incorrect with respect to bilateral symmetry?

It is found in all invertebrates and few vertebrates. (correct)

Spider and crab show bilateral symmetry.

Body can be divided into two equal halves by a single plane only.

The organisms that show bilateral symmetry have paired body organs that occur on the two sides of a central axis.

Which of the following is the correct pairing of scientific names with common names?

Physalia - Portuguese man-of-war, Adamsia - Sea anemone, Pennatula - Sea-pen, Gorgonia - Sea-fan

Physalia - Sea-fan, Adamsia - Sea-pen, Pennatula - Sea anemone, Gorgonia - Portuguese man-of-war

Physalia - Portuguese man-of-war, Adamsia - Sea-pen, Pennatula - Sea-fan, Gorgonia - Sea anemone (correct)

What is the undifferentiated layer present between the ectoderm and the endoderm?

Both (1) and (2)

Mesoglea (correct)

Mesoderm

Gastroderm

Ctenophores are commonly referred to as

<p>Comb jellies (C)</p> Signup and view all the answers

Which of the following statements about triploblastic animals and coelom is correct?

<p>Statement A is correct and statement B is incorrect (B)</p> Signup and view all the answers

Study Notes

Bilateral Symmetry

Bilateral symmetry is a characteristic of some animals, including humans

Scientific Names and Common Names

Correct pairing of scientific names with common names is necessary for accurate identification

Embryonic Development

The undifferentiated layer present between the ectoderm and the endoderm is the mesoderm
The mesoderm is a middle layer of cells in embryonic development

Ctenophores

Ctenophores are commonly referred to as comb jellies

Triploblastic Animals and Coelom

Triploblastic animals have three primary germ layers: ectoderm, mesoderm, and endoderm
A coelom is a fluid-filled body cavity found in triploblastic animals

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Description

Test your knowledge of zoology with this practice test for NEET (2024) featuring questions on bilateral symmetry. Prepare for your exam by tackling questions related to body symmetry and organism characteristics.