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:

The renal medulla is composed of tissue called

A) Renal Sinus	B) Renal Pyramids
C) Vasa Recta	D) Renal Pelvis

Answer & Explanation Answer: B) Renal Pyramids

Explanation:

The renal medulla is composed of tissue called Renal Pyramids.

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Q:

Deficiency of fluoride leads to Which one of the following health problems?

A) Tooth caries	B) Mottling of tooth
C) Bending of bones	D) Stiffening of joints

Answer & Explanation Answer: A) Tooth caries

Explanation:

Fluoride deficiency is a disorder which may cause increased dental caries due to a lack of fluoride in the diet. Dental caries or tooth decay is the breakdown of dental tissues by the acidic products released by the "bacterial fermentation of dietary carbohydrates”

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Q:

In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best
expresses the same sentence in Passive/Active voice.
I have poured the tea.

A) Pouring of the tea by me has been done.	B) The tea is being poured by me.
C) The tea has been poured by me.	D) The tea pouring was done by myself.

Answer & Explanation Answer: C) The tea has been poured by me.

Explanation:

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Q:

In the given question, a part of the sentence is printed in bold. Below the sentence, three alternatives to the bold part are given which may help improve the sentence. Choose the option that reflects the correct use of the phrase in the context of the sentence. In case the given sentence is correct, your answer is (E) i.e. No correction required.

They hurried up the booth’s back and waited for the malformed youth to disperse.

i. to the booth’s back

ii. for towards the booth’s back

iii. for the booth’s backing

A) Only i	B) Only ii
C) Only iii	D) Both i and ii

Answer & Explanation Answer: A) Only i

Explanation:

The correct preposition to be used with the verb ‘hurried’ is ‘to’ and not the others. ‘Hurry to a place’ means ‘move to a place with great haste.’

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Q:

Where is the headquarters of Youtube?

A) China	B) Japan
C) India	D) United States

Answer & Explanation Answer: D) United States

Explanation:

The headquarters of Youtube is in United States. The headquarters of some big companies are at

Google : United States

Yahoo : United States

Apple : United States

Mircosoft : United States

Facebook : United States

WhatApp : United States

Twitter : United States

YouTube : United States

Instagram : United States.

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Q:

Who selects the Social Audit Committee under MGNREGA scheme?

A) Chief Minister	B) Gram Sabha
C) Mayor	D) B.D.O.

Answer & Explanation Answer: B) Gram Sabha

Explanation:

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Q:

Which of the following establised as the Bretton woods Conference in 1944

A) IMF	B) ILO
C) WHO	D) UNDP

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