General Science Questions

Q:

What is the best way to prevent pest infestation?

Answer

Pest infestation is nothing but the presence of large number of pests at a place, typically so as to cause damage or disease.


 


Climatic conditions affect a considerable number of pests. Some are more active during warmer periods than others. As these summer insects invade your home, they're likely in search of food, water, shelter, or have encountered an entrance. To pest-proof your home this summer, it's best to remove their 'WHY’ or reason for entering your home.


* Keep your place clean and dry. Make sure there is no food laying about.


* Removing food residue - food is a common attraction to a number of different pests.


* Regular disinfection of the surfaces.

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Q:

The Plant Fibres are made up of

A) Collagen B) Proteins
C) Cellulose D) Vitamins
 
Answer & Explanation Answer: C) Cellulose

Explanation:

The Plant Fibres are made up of cellulose whereas animal fibres are made up of collagen.

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Q:

The largest glaciers are

A) continental glaciers B) mountain glaciers
C) piedmont glaciers D) alpine glaciers
 
Answer & Explanation Answer: A) continental glaciers

Explanation:
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Q:

Which one of the following is most sensitive to environmental change?

A) Amphibian B) Reptile
C) Mammal D) Insect
 
Answer & Explanation Answer: A) Amphibian

Explanation:

Amphibians are one of the most sensitive groups to change, whether that is caused by habitat loss, invasive species, disease, trade or climate change. Their sensitivity to environmental threats has been generally linked to the observation that amphibians are characterized by a rather permeable skin. Given their complex life cycles and other traits, amphibians are often recognized as indicators of ecosystem health.

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Q:

What are good sources of fat for the body?

A) Fish and eggs B) Nuts
C) Cheese D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

The foods that are good source of fat and incredibly healthy to the body ar fatty fish, eggs, nuts, cheese, avocados, dark chocolates, etc...

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Q:

What begins the process of solar system formation?

Answer

Scientists believe that , about 4.6 billion years ago, the solar system was formed when a cloud of gas and dust in space was disturbed, maybe by the explosion of a nearby star called a supernova.

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Q:

The white matter of the spinal cord contains

A) some have both myelinated and unmyelinated nerve fibers B) myelinated and unmyelinated nerve fibers
C) myelinated nerve fibers only D) unmyelinated nerve fibers only
 
Answer & Explanation Answer: B) myelinated and unmyelinated nerve fibers

Explanation:
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Q:

What is the average amount of Blood in human body?

A) 5 - 6 lit B) 7 - 8 lit
C) 8 - 9 lit D) 3 - 5 lit
 
Answer & Explanation Answer: A) 5 - 6 lit

Explanation:
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