Explanation

In birds, gas exchange occurs in the lungs as air moves through small tubes (parabronchi) in one direction; in mammals, air flows tidally into and out of the alveoli.

Explanation

• The last Kalhoro ruler of Sindh was: Ghulam Shah Kalhoro
• ***
• Ghulam Shah Kalhoro was the ruler of the Kalhora Dynasty from 1757
• he was appointed ruler of Sindh by tribal Chiefs of kalhora replacing his brother Mian Muradyab Kalhoro.
• ***
• Mian Ghulam Shah Kalhoro
• Reign---->1757 – 1772
  
• Predecessor-->Noor Mohammad Kalhoro
• Successor---->Mian Sarfraz Kalhoro
• Died---------->1772 Hyderabad, Sindh, Pakistan
• Burial-------> Hyderabad
• House---->     Kalhora
• Dynasty--->   Kalhora Dynasty
• Father------> Noor Mohammad Kalhoro
• Mother-----> Mai Gulan
• Religion---->Islam

Explanation

• Know everything about BRICS: 
• BRICS founded: June 2009
  
• BRICS Member countries: Brazil, Russia, India, China, South Africa, Egypt, Ethiopia, Iran, Saudi Arabia and the United Arab Emirates
  
• BRICS total members: 10 
• South Africa joined BRICS: 2010
• BRICS headquarters: Shanghai, China
• BRICS first conference hosted by: Russia (2009) 

Explanation

Know about FIFA World Cup 2018

Edition: 21

Held: 14 June to 15 July 2018

Hosted by: Russia

Winner: France

Runner-up: Croatia

Best player of tournament: Luka Modric (Croaita)

Most goals: Harry Kane (United Kingdom)

Title of Best goalkeeper won by: Thibaut Courtois (Belgium)

Iceland & Panama participated: first time

Official song: Go for it

Best Young Player of tournament award: Kylian Mbappe (France)

Official Mascot: Zabivaka (Wolf)

Total venues: 12

Total goals scored: 169

France scored in final: 4

Final played: Luzihinki (Moscow)

Played in Russian cities: 11 cities

Explanation

Explanation

'infrequent', is an adjective which means 'not occurring often/ rare'.

As it means the same as 'rare', 

Explanation

Pneumonia is an infection that inflames the air sacs in one or both lungs.

The air sacs may fill with fluid or pus (purulent material), causing cough with phlegm or pus, fever, chills, and difficulty breathing.

Explanation

Infrared radiation is strongly absorbed by water and by the atmosphere.

Although invisible to the eye, infrared radiation can be detected as warmth by the skin.

Nearly 50 percent of the Sun's radiant energy is emitted in the infrared region of the electromagnetic spectrum, with the rest primarily in the visible region.

Explanation

spurn means” (حقارت سے رد کر دینا)

accept means قبول کریں۔

Explanation

• The largest coal deposits have been discovered in Diplo Taluka of Sindh Province
• ***
• Pakistan's largest coal reserves are found in Sindh, approximately 175 billion tonnes.
• Tharparkar division of Sindh is said to host huge deposits.
• The 16th-largest coal reserves in the world
  
• The largest coal deposits were discovered in 1991 by the Geological Survey of Pakistan and the United States Agency for International Development.