Question

For the defence against predators, some species of butterflies become highly distasteful due to certain chemical in their bodies. What is the sources of the chemical?

• A. The butterflies have genes for synthesis of this chemical in its mouth
• B. The butterflies acquire this chemical during its caterpillar stage by feeding on specific plant
• C. The chemical accumulates in the cells of butterfly when it feeds the sap of a plant
• D. The butterfly secretes the chemical from its corpus allatum

Answer 1

The correct option is B The butterflies acquire this chemical during its caterpillar stage by feeding on specific plant

Some species of butterflies are highly distasteful to its predator because of a specific chemical present in its body. This chemical is acquired during the caterpillar stage by feeding on a specific weed plant.