Questions

A neuron or nerve cell is a cell that carries electrical impulses. Neurons are the basic units of the nervous system and its most important part is the brain. Every neuron is made of a cell body (also called a soma), dendrites and an axon. Dendrites and axons are nerve fibres.

The gap between two communicating neurons is termed Synaptic cleft.

The correct pairing of DNA bases among the given options is guanine - cytosine.

Statistics is a branch of mathematics dealing with the collection, analysis, interpretation, presentation, and organization of data.

All scientists uses Statistics for analysing data.

Air Pressure can be defined as the pressure of air in the earth's atmosphere. It reaches a maximum of about 100,000 Pa near sea level and decreases as altitude increases.

The barometer is an instrument which is used for measuring Air pressure.

Physics instruments and their uses:

Barkometer  - - - Tanning liquors used in tanning leather

Bolometer  - - - Electromagnetic radiation

Spectrometer - - -  Properties of light.

The Sahara is the biggest desert in the world.

It occupies the northern one third of the African continent.

Tin and Silver are malleable and good conductors of electricity. The other combinations have a non metal in them which are bad conductors.