The endocrine glands produce chemical substances called___.

What are endocrine glands?

Assertion : : Nuptial flight is a unique flight taken the queen bee followed by several drones. Reasons : The queen bee produces a chemical substance called pheromone. The drones in that area are attracted to the pheromone and then mating takes place.

Assertion: Nuptial flight is a unique flight taken by the queen bee followed by several drones. Reason: The queen bee produces a chemical substance called pheromone. The drones in that area are attracted to the pheromone and then mating takes place.

The function of control and coordination in plants is performed by chemical substances produced by the plant called__________.

True or False - if false give the correct statement : Cell wall of algae is made up of a chemical substance called chitin .

Endocrine glands are …..... glands.

Fertilizin is a chemical substance produced from

The secretions of endocrine glands are called:

Name the endocrine glands present in human and other vertebrates.