Explanation

The correct sentence is "He has no child with his wife.

The preposition "with" is used to indicate the person with whom he shares or lacks children.

Explanation

Zakir Husain Khan was an Indian economist and politician

Zakir Husain Khan served as the third president of India, from 13 May 1967 until his death on 3 May 1969. 

Zakir Husain Khan drafted the “Wardha Scheme” under the guidance of Gandhi

Born: February 8, 1897, Hyderabad, India

Died: May 3, 1969, New Delhi, India

“Wardha Scheme”

all India National  Education Conference was held on October 22 and 23, 1937.

The conference is called Wardha Educational Conference

and the president of this conference was Gandhi himself.

Free and compulsory education is to be provided for 7 years at a nationwide scale.

Explanation

Neutrons have no electric charge, hence they are neutral.

Protons have a positive charge.

Electrons have a negative charge.

Explanation

An isobar is an imaginary line that connects places of equal barometric pressure.

They can be used to find areas of low or high pressure over a large area.

Explanation

Saudi Arabia, is a country in Western Asia.

Fifth-largest country in Asia, the second-largest in the Arab world, and the largest in Western Asia and the Middle East. 

The politics of Saudi Arabia takes place in the context of a unitary absolute monarchy.

Capital: Riyadh

Explanation

The first and third Round Table conferences did not take part in the Indian National Congress.

*First round table conference: 1930 and January 1931 in London
The Indian National Congress decided not to participate
As Many of the INC leaders were imprisoned due to their involvement in the civil disobedience movement.

*3rd round table conference: 17 Nov 1932 and 24 Dec 1932
The Indian National Congress was not invited to this table conference 
Because the recommendations of this conference were published in a White Paper in 1933.

Additional informational 
The Round Table Conference was a series of Three Conference 
Conducted by the Labour Party-led British government 
To discuss constitutional reforms in British India during 1930-32
The second Round Table conference was held from 7 Sep 1931 to 1 Dec 1931

Explanation

1. For ten years, Muslims should be represented in Punjab and Bengal according to their population.
2. Muslims should be given 1/3 representation in the central legislature.
3. Residuary powers should be given to the provinces.

Explanation

• International Day against “Corporal Punishment of Children” is: 30th April
• ***
• Corporal punishment in public schools was banned in 1914 but remained de facto commonplace until 1984
  
  

Explanation

The United Nations has announced that it has recognized a new record-high temperature of 18.3°C or 64.9°F set on the Antarctic continent on February 06, 2020.

The previous 17.5°C or 63.5°F record that was also set at the same location in March 2015.

Explanation

The Line of Control (LoC) was established in 1949 after the Karachi Agreement, following the first Indo-Pak war over Kashmir.

It was originally called the Ceasefire Line and renamed the LoC in the 1972 Simla Agreement.

The LoC is approximately 740 km long.