General Science Questions

Q:

A rotating column of air is called

A) Tornado B) Vortex
C) Airmass D) None of the above
 
Answer & Explanation Answer: A) Tornado

Explanation:

A rotating column of air is called as a Tornado which extends from the thunderstorm to the ground.

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Q:

Cuscuta is an example of

A) Predation B) Ectoparasitism
C) Brood parasitism D) Endoparasitism
 
Answer & Explanation Answer: B) Ectoparasitism

Explanation:

Cuscuta is an example of Ectoparasitism.

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Q:

Which of the following is not an autoimmune disease?

A) Vitiligo B) Alzheimer's
C) Rheumatoid arthritis D) Psoriasis
 
Answer & Explanation Answer: B) Alzheimer's

Explanation:

Auto-immune disease :: Sometimes, due to genetic and other unknown reasons, the body attack self-cells. This results in damage to the body and is called auto-immune disease.

 

From the options,

-> Rheumatoid arthritis is an autoimmune disorder in which antibodies are produced against the synovial membrane and cartilage.

-> Vitiligo causes white patches on skin also characterised as autoimmune disorder.

-> Psoriasis is a skin disease that causes itchy or sore patches of thick red skin and is also autoimmune.

-> Alzheimer's disease is a chronic neurodegenerative disease. Alzheimer's disease is due to deficiency of neurotransmitter acetylcholine.

 

Hence, Alzheimer's is not the auto-immune disease.

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Q:

A lunar eclipse occurs when

A) The Sun, the Earth and the Moon are in a straight line B) The Moon, and The Earth are in a straight line
C) The Sun and the Earth are in a straight kine D) The Sun and the Moon are in a straight line
 
Answer & Explanation Answer: A) The Sun, the Earth and the Moon are in a straight line

Explanation:

An eclipse happens when a planet or a moon gets in the way of the sun's light. Our planet Earth experiances two types of eclipses. They are Solar and Lunar eclipses.

 

Solar Eclipse : This occurs when The Sun, the Moon and the Earth are in a straight line. The moon being in middle blocks sun rays falling on the Earth.

 

Lunar Eclipse : The Sun, the Earth and the Moon are in a straight line. The Earth being in middle and moon in the shadow of Earth behind it.

a_lunar_eclipse_occurs_when1560750613.jpg image

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Q:

Name the elements that determine the weather of a place.

A) Humidity B) Temperature
C) Rainfall D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

The elements that determine the weather of a place are temperature, humidity, rainfall and wind.

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