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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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Filed Under: General Science
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Q:

Which of the following statements about vitamins is true?

A) Vitamins have a small caloric value B) Vitamins can serve as an energy supply for the body if certain criteria are met
C) Like protein and some minerals, vitamins contribute to the structure of the body D) Vitamins are indispensable for the maintenance of optimal health
 
Answer & Explanation Answer: D) Vitamins are indispensable for the maintenance of optimal health

Explanation:

Vitamins are indispensable for the maintenance of optimal health is the only statement that is true about vitamins.

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Filed Under: Biology
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Q:

India's only Naval Aviation Museum is located in which state?

A) Kerala B) Goa
C) Tamil Nadu D) Karnataka
 
Answer & Explanation Answer: B) Goa

Explanation:
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Filed Under: Indian Geography
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Q:

Who among the following pioneered Khilafat Movement?

A) Mahatma Gandhi B) Ali Brothers
C) M.A. Jinnah D) Sir Syed Ahmed Khan
 
Answer & Explanation Answer: B) Ali Brothers

Explanation:

The Khilafat movement, also known as the Indian Muslim movement (1919–24), was a pan-Islamist political protest campaign launched by Muslims of British India led by Shaukat Ali, Mohammad Ali Jauhar and Abul Kalam Azad.

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Filed Under: Indian History
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Q:

Which cell feature is responsible for making proteins?

A) Chromosomes B) Nucleus
C) Ribosomes D) Cytoplasm
 
Answer & Explanation Answer: C) Ribosomes

Explanation:

Ribosomes comprise a complex macro molecular machine, found within all living cells, that serves as the site of biological protein synthesis. Ribosomes link amino acids together in the order specified by messenger RNA molecules.

 

which_cell_feature_is_responsible_for_making_proteins1558091245.jpg image

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Filed Under: Biology
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Q:

A voltaic cell converts chemical energy to

A) Heat energy B) Electrical energy
C) Mechanical energy D) Light energy
 
Answer & Explanation Answer: B) Electrical energy

Explanation:

A galvanic cell is also known as voltaic cell provides electrical energy from the chemical energy.

 

a_voltaic_cell_converts_chemical_energy_to1558088421.png image

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Filed Under: Physics
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Q:

Which continent have the most number of countries?

A) Asia B) Europe
C) America D) Africa
 
Answer & Explanation Answer: D) Africa

Explanation:

The most number of countries are in the continent Africa. Eventhough, Asia is the biggest continent in its size, Africa is the continent with 54 countries whereas Asia have 48 countries.

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Filed Under: General Awareness
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Q:

What is the area of an obtuse angled triangle given below with two sides are 8 and 12 and the angle included between two sides is 150 deg?

A) 48 sq units B) 24 sq units
C) 12 sq units D) 6 sq units
 
Answer & Explanation Answer: B) 24 sq units

Explanation:

We know that, 

The area of a triangle with two sides given and included angle

A = 1/2 x product of sides x Sin(angle) 

 

Here the two sides are 8 & 12

Angle = 150

 

Area = 1/2 x 8 x 12 x sin150

Sin(150) = sin(90+60) = cos(60) = 1/2

 

A = 48 x 1/2 = 24

Area of the given triangle = 24 sq units.

 

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Filed Under: Area
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