Questions

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.

 

We experience sleepiness in the morning because

A) we eat breakfast B) we miss breakfast
C) efficiency goes down D) we feel tired and sleepy
 
Answer & Explanation Answer: B) we miss breakfast

Explanation:
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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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Q:

In the following question, out of the four alternatives, select the word similar in meaning to the word given.
Inanition

A) Lethargy B) Offensive
C) Vaccilating D) Grasping
 
Answer & Explanation Answer: A) Lethargy

Explanation:
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Q:

The mammalian heart is myogenic and it is regulated by nerves. The heartbeat originates from

A) sinoatrial node B) QRS wave
C) T wave D) hepatic portal system
 
Answer & Explanation Answer: C) T wave

Explanation:

The mammalian heartis called myogenic (myo = muscle, genie = originating from). It means the heart beat or the activities of the heart are auto regulated which originates from a muscle called nodal tissue.In the human heart,heartbeat originates and contraction is initiated by a special modified heart muscle known as sinoatrial node. It is located in the right atrium; while the QRS waves are the depolarisation of the ventricles, which initiates the ventricular contraction.The T-wave represents the repolarisation,that is, the return of the ventricles from excited tonormal state.Hepatic portal system is the unique vascular connection that exists between the digestive tract and liver. This vein carries blood from intestine to the liver.

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Filed Under: Biology
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Q:

The longest bone in the human body is

A) femur B) stapes
C) fibula D) tibia
 
Answer & Explanation Answer: A) femur

Explanation:

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.

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Filed Under: General Science
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Q:

The 4th Agri Leadership Summit 2019 held at?

A) Haryana B) Uttar Pradesh
C) West Bengal D) Assam
 
Answer & Explanation Answer: A) Haryana

Explanation:
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Q:

What are DDks? Name an operating system that includes this feature.

Answer

DDks are device driver kits, which are equivalent to SDKs for writing device drivers. Windows NT includes DDks.

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Q:

What is Non-Maskable interrupts?

Answer

An interrupt which can be never be turned off (ie. disabled) is known as Non-Maskable interrupt

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Subject: Hardware

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