Q:

The basic unit of the nervous system is the

A) Lymphs	B) Nephrons
C) Nerves	D) Neurons

Answer & Explanation Answer: D) Neurons

Explanation:

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.

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Q:

Who invented Radio?

A) Grahambell	B) Galileo
C) Marconi	D) Edison

Answer & Explanation Answer: C) Marconi

Explanation:

Guglielmo Marconi, an Italian invetor invented Radio in 1890's.

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Filed Under: Inventions
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Q:

Improve the bracketed part of the sentence.
Neha was (surprised by) her result.

A) surprised to	B) surprised from
C) surprised at	D) No improvement

Answer & Explanation Answer: C) surprised at

Explanation:

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Filed Under: English
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Q:

Read the passage carefully and choose the best answer to each question out of the four alternatives and click the button corresponding to it.

The first working steam powered vehicle was designed and most likely built by Ferdinand Verbies, a Flemish member of a Jesuit mission in China around 1672. It was a 65 cm long scale model toy for the Chinese Emperor, that was unable to carry a driver or a passenger. It is not known if Verbiest's model was ever built. Nicolas- Joseph Cugnot is widely credited with building the first full scale, self propelled mechanical vehicle or automobile in about 1769; he also created a steam powered tricycle. He constructed two steam tractors for the French Army, one of which is preserved in the French National Conservatory of Arts and Crafts. His inventions were however handicapped by problems of water supply and maintaining steam pressure. In 1801, Richard Trevithick built and demonstrated his Puffing Devil road locomotive, believed by many to be the first demonstration of a steam powered road vehicle. It was unable to maintain sufficient steam pressure for long periods. Sentiment against steam powered road vehicles led to the Locomotive Acts of 1865. In 1807 Nicephore Niepce and his brother Claude probably created the world's first internal combustion engine which they called Pyreolophore.

The first fullscale, working steam powered tricycle was built by:

A) Verbiest	B) Cugnot
C) Trevithick	D) Niepce

Answer & Explanation Answer: B) Cugnot

Explanation:

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Q:

What can you hear but not touch or see?

Answer

The sound is what can you hear but not touch or see.

Workspace

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Q:

The powder keg in the balkans refers to the

A) efforts taken to ease tensions throughout the region	B) invasion of the region
C) larger number of munitions factories built in the region	D) political instability of the region

Answer & Explanation Answer: D) political instability of the region

Explanation:

In the early 20th century, the Balkans were called a "powder keg" because the political situation in the region was very unstable. For a long time, the Ottoman Turks occupied the balkans, and with the rise of nationalism, some balkan states declared independence.

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Q:

If i wanted to reach the South Atlantic from the South Pacific while touching South America , I would have to use

A) Florida Straits	B) Dardaelles
C) Magellan Straits	D) Bosporus

Answer & Explanation Answer: C) Magellan Straits

Explanation:

a) joins the Gulf of Mexico and Atlantic Ocean, and touches USA and Bahama Island.

b) joins the sea of Marmara and Aegean Sea, touching Asian Turckey and European Turkey

d) joins Black sea and sea of Marmara touching Asian Turkey and European Turkey

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Filed Under: World Geography

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Q:

Buckingham palace became the official royal residence during the reign of which British monarch?

A) Queen Victoria	B) King George III
C) King Henry VIII	D) King George V

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