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Biology · STRUCTURAL ORGANISATION IN ANIMALS

हिन्दी

Analyse the structural divisions of the frog brain. Which of the following correctly pairs each region with its component structures?

  1. Forebrain: paired optic lobes; Midbrain: cerebral hemispheres; Hindbrain: olfactory lobes and infundibulum.
  2. Forebrain: corpora quadrigemina; Midbrain: cerebellum; Hindbrain: olfactory lobes and diencephalon.
  3. Forebrain: olfactory lobes, paired cerebral hemispheres, unpaired diencephalon; Midbrain: pair of optic lobes; Hindbrain: cerebellum and medulla oblongata.
  4. Forebrain: cerebellum and diencephalon; Midbrain: olfactory lobes; Hindbrain: optic chiasma and medulla oblongata.

Correct answer · Option 3

Forebrain: olfactory lobes, paired cerebral hemispheres, unpaired diencephalon; Midbrain: pair of optic lobes; Hindbrain: cerebellum and medulla oblongata.

Explanation

In frogs, the forebrain includes olfactory lobes, paired cerebral hemispheres, and unpaired diencephalon; the midbrain is characterized by a pair of optic lobes; and the hindbrain consists of cerebellum and medulla oblongata.
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