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Q:

Localized area of pus formation in the lungs is

A) Pulmonary embolism	B) Pulmonary abscess
C) Pleurisy	D) Pulmonary edema

Answer & Explanation Answer: B) Pulmonary abscess

Explanation:

Pulmonary abscess is a type of liquefactive necrosis of the lung tissue.

localized_area_of_pus_formation_in_the_lungs1537941339.jpg image

Hence, Localized area of pus formation in the lungs is Pulmonary abscess.

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Filed Under: Biology
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Q:

The gas predominantly responsible for global warming is

A) Carbon monoxide	B) Nitrous oxide
C) Nitrogen peroxide	D) Carbondioxide

Answer & Explanation Answer: D) Carbondioxide

Explanation:

72% of the totally emitted greenhouse gases is carbon dioxide.

Hence, Carbon dioxide (Co2) is predominantly responsible for Global warming.

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Filed Under: General Science
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Q:

Which of the following are involved directly in pulmonary circulation?

A) left ventricle, aorta, and inferior vena cava	B) right atrium, aorta, and left ventricle
C) superior vena cava, right atrium, and left ventricle	D) right ventricle, pulmonary artery, and left atrium

Answer & Explanation Answer: D) right ventricle, pulmonary artery, and left atrium

Explanation:

Right ventricle (which pumps blood to the lungs), pulmonary artery (which carries blood to the lungs), and left atrium (which receives blood from the lungs) are involved directly in pulmonary circulation.

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Filed Under: Biology
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Q:

From a group of 7 boys and 6 girls, five persons are to be selected to form a team, so that at least 3 girls are there in the team. In how many ways can it be done?

A) 427	B) 531
C) 651	D) 714

Answer & Explanation Answer: B) 531

Explanation:

Given in the question that, there are 7 boys and 6 girls.

Team members = 5

Now, required number of ways in which a team of 5 having atleast 3 girls in the team =

$(6 C_{3} x 7 C_{2}) + (6 C_{4} x 7 C_{1}) + (6 C_{5}) = [\frac{6 x 5 x 4}{3 x 2 x 1} x \frac{7 x 6}{2 x 1}] + [\frac{6 x 5 x 4 x 3}{4 x 3 x 2 x 1} x 7] + [\frac{6 x 5 x 4 x 3 x 2}{5 x 4 x 3 x 2 x 1}] = 420 + 105 + 6 = 531 .$

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Filed Under: Permutations and Combinations
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Q:

What gets broken without being held?

Answer

Yes, a promise can be broken without being held.

Workspace

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Subject: Word Puzzles Exam Prep: AIEEE , Bank Exams , CAT , GRE , TOEFL
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Q:

Sound travels fastest in

A) Vacuum	B) Air
C) Glass	D) Water

Answer & Explanation Answer: C) Glass

Explanation:

Sound is a mechanical vibration and needs a medium for propagation. The higher the density of the medium, the faster the sound travels. So, sound cannot travel through vacuum.

As the sound travels faster in solids than liquids and gases, sound travels faster in the glass than Air and water.

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Filed Under: Physics
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Q:

Main storage is also called

A) Memory	B) Control unit
C) Accumulator	D) Register unit

Answer & Explanation Answer: A) Memory

Explanation:

In a computer, the area where the data is stored for the quick access by the computer's processor is called Main storage or Primary storage or Memory or RAM.

Hence, main storage is also called Memory.

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Filed Under: Computer
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Q:

Which structural formula represents a dipole?

dipole1526886238.jpg image

A) 4	B) 3
C) 2	D) 1

Answer & Explanation Answer: D) 1

Explanation:

What is Dipole :

when two atoms in a molecule have substantially different electronegativity: One atom attracts electrons more than another, becoming more negative, while the other atom becomes more positive.

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Filed Under: Chemistry
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