Questions

Q:

What is the general formula for a straight-chain alkane?

A) C2nH2n+3. B) CnH2n+2
C) CnH2n D) CnH3n+2.
 
Answer & Explanation Answer: B) CnH2n+2

Explanation:
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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:

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


Without breakfast, all of us ­ irrespective of age ­ are likely to experience the late morning slump; tiredness, sleepiness and the urge to sit back. Our efficiency goes down further as the day progresses.Moreover, skipping the first meal of the day leads to intense hunger pangs by late morning and we end up eating chips, samosas, burgers or other high­ fat unhealthy foods. Break fast­skippers are more likely to be overweight. A good breakfast leads to a more active, productive day. Research has found a definite connection between skipping breakfast and memory impairment in both young and older adults. Moreover, breakfast is directly linked with performance in school and college. Breakfast should contribute at least one ­fourth of our daily requirement of nutrients. An ideal breakfast should contain adequate amounts of carbohydrates, proteins and fats in addition to minerals and vitamins. Essentially this means including most of our food groups in the morning meal. Whole grain cereals ­ like atta in parathas and puris, dalia, suji, etc. are an integral part of the traditional Indian breakfast. Their high fibre and protein content provides a feeling of satisfaction, which lowers the urge to snack before lunch. On the other hand, high­ sugar foods actually make people sleepier, not active.

Milk, cheese, eggs or dals (as sprouts in idli or dosas or as sambhar) are other protein sources. A serving of milk (one cup) provides B­ complex vitamins and also minerals like zinc, magnesium and calcium. Fruits or vegetables provide valuable vitamin C and keep constipation away.

 

A good breakfast

A) keeps you active B) causes memory loss
C) boosts performance D) keeps you active; boosts performance
 
Answer & Explanation Answer: D) keeps you active; boosts performance

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Q:

Select the word with the correct spelling.

A) blamefull B) procsimal
C) hilocky D) miracles
 
Answer & Explanation Answer: D) miracles

Explanation:
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Q:

The Cabinet Committee on Economic Affairs (CCEA) has approved expansion of "Beti Bachao Beti Padhao" yojana for a pan India coverage from 2017-2018 to _____.

 

A) 2018-2019 B)  2019-2020
C) 2020-2021 D) 2021-2022
 
Answer & Explanation Answer: B)  2019-2020

Explanation:
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Q:

A doctor who specializes in skin diseases

A) Nephrology B) Dermatology
C) Paediatrician D) Rheumatology
 
Answer & Explanation Answer: B) Dermatology

Explanation:
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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:

What happens to electrons in an ionic bond?

A) collision of electrons B) Sharing of electrons
C) Both A & B D) Transfer of electrons
 
Answer & Explanation Answer: D) Transfer of electrons

Explanation:

An ionic bond is formed between two molecules when transfer of valency electrons take place between them. 

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