Hormones and Its Characteristics

Define feedback mechanism of hormones.

Give examples of some neurohormones secreted by neurosecretory cells.

Classify hormones based on their chemical nature.

Pheromones trigger behaviours in the animal of the different species.

What is true about pheromones?

Define pheromones?

Identifying or smelling ability of dogs is due to _____.

Give one word.

A chemical that animals such as ants and bees secrete which changes the behaviour of another animal of the same species.

During synaptic transmission of nerve impulses, the neurotransmitter$\left(\mathrm{P}\right)$ is released from synaptic vesicles by the action of ions$\left(\mathrm{Q}\right)$. Choose the correct $\mathrm{P}$ and $\mathrm{Q}$ .

Chemical transmission in synapse occurs due to

Growth hormone is secreted by-

Write name of a neurotransmitter?

Nicotine acts as a stimulant, because it mimics the effect of

A person having Parkinson's disease shows defective action of which neurotransmitter in the brain:-

Alzheimer's disease is associated with the deficiency of

Nicotine acts as a stimulant as it mimics the effect of