Question Discussion & Solution

Fullest is an antonym of emptiest similarly, antonym of clearest is gloomiest (means dark or poorly lit).

A constructor is a member function of a class that initializes objects of a class. In C++, Constructor is automatically called when an object (instance of a class) creates. It is a special member function of the class.

Syntax

class_name(parameter1, parameter2, ...)

{

    // constructor Definition

}

Default Constructor

It is the constructor that doesn’t take any argument. It has no parameters.

Parameterized Constructors

It is possible to pass arguments to constructors. Typically, these arguments help initialize an object when it is created. 

Copy Constructor

A copy constructor is a member function that initializes an object using another object of the same class.

The correct answer is Minamata.

Key Points

• Minamata disease is a disease caused by severe mercury poisoning.
• It is a neurological disease.
• Symptoms of the disease:-
  • Ataxia, general muscle weakness, numbness in the hands and feet, loss of peripheral vision, and damage to hearing and speech.

Additional Information

• Due to mining, Itai-Itai disease was caused by cadmium poisoning.
• Symptoms of Methemoglobinemia:- 
  • Headache, shortness of breath, dizziness, nausea, blue-colored skin, and poor muscle coordination.
• Poliomyelitis is caused by infection with a member of the genus Enterovirus. It is known as poliovirus.

The correct answer is Switched Mode Power Supply.

• The full form of SMPS is Switched Mode Power Supply.

​Key Points

• SMPS or switched-mode power supply 
  • SMPS or switched-mode power supply is an electronic device that is used to convert AC to DC, AC to AC, DC to DC and DC to AC voltages. 
  • The circuit consists of a rectifier, voltage regulator transformer, and a filter. 
  • The input supply is turned On and Off by MOSFETs.
• Fundamentally, different types of circuits work with various kinds of power supplies such as SMPS.

Additional Information

The correct answer is Payal Jangid.

• Payal Jangid has been awarded the 'Changemaker Award' by the Bill and Melinda Gates Foundation for the year 2019.

Key Points

• Bill and Melinda Gates Foundation:
  • Founded by Bill Gates and his wife Melinda Gates this organization help people lead healthy, productive lives.
  • In developing countries, the organization focuses on improving people's health and providing them with the chance to lift themselves out of hunger and extreme poverty.
  • Its headquarters is in Washington, USA.
  • Payal Jangid was awarded the 'Changemaker Award'  at Goalkeepers Global Goals Awards 2019.
    • She was awarded for her work towards the abolition of child marriage in her village.
  • Her mentors were Nobel Peace Laureate Kailash Satyarthi and child rights activist Sumedha Kailash.
  • Prime Minister Narendra Modi was honoured with the Global Goalkeeper award of 2019.

Additional Information

• Apurvi Singh Chandela is a shooting player and competes in 10m rifle events.