The gular fold is a body feature found in the lower throat region of lizards. When a lizard intend to attract a mate, it will arch its back and lower its gular fold. The gular fold also swells when the lizard is in aggressive mode.

Now for the right answer to the above question:

Option A is incorrect; the gular fold does not actually go lower, but swells when the lizard is in aggressive mode.
Option B is correct; the lizards often arch their back and lower their gular folds in order to attract the opposite sex.
C is not correct; lowering not to frighten enemies.
D is not the correct answer; lizards do not need to lower their gular folds to catch insects.

KEY-POINTS…

You may please note that:

There is a difference between lowering of gular folds and its swelling.
While its lowering could be used to attract mate, swelling is often aggressive.

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/ culled from 2015 JAMB-UTME biology past question 24 /

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