Questions

Plants developing in dry conditions are called as xerophytes.

The watt-hour (WH) is a unit of energy equivalent to one watt (1 W) of power expended for one hour (1 h) of time.

1 WH = 3600 joules.

The energy in most ecosystems comes from sun light.

The basic unit of the nervous system is the Neurons.

The neuron is a single nerve cell, and you have billions of them.

There are three basic types of neurons::

1. Association,

2. Afferent  and

3. Efferent.

The association neurons comprise the central nervous system (CNS) that is the brain and spinal cord.

The afferent neurons are also known as the sensory neurons, they bring the stimuli from the sensors (e.g., skin, eyes, ears) to the CNS.

The efferent neurons are also known as motor neurons, they bring the responses from the brain to the muscles and the glands.

The femur is the longest bone in the human body. It is also called as thigh bone. Stapes in the shortest bone in the body that is present in the middle ear.

A duty is a task that is to be obeyed, followed and respected by all the citizens of the country or state.