Explanation

F7

F7 does a spelling and grammar check in Microsoft Word

F1

Opens the help menu when pressed with the Windows button. 

F2

Allows you to edit the selected folder or file name in Windows Explorer & Cell 

F3

Opens search feature in Windows Explorer 

F4

Alt + F4 closes window 

F5

Starts slideshow in PowerPoint

Refreshes Internet browser pages 

F6

Goes to the next page in a split screen in Microsoft Word

F8

In Excel, enables extend mode for arrow keys

F9

Refreshes document in Microsoft Word

F10

Opens menu bar

F11

Exits and enters full-screen mode in browsers

F12

Opens Save as in Word

Explanation

Explanation

The Wakhan Corridor is a narrow strip of territory in Afghanistan, extending to China and separating Tajikistan from Pakistan and Kashmir.

 The corridor was formed in 1893 and created the Durand Line.

The Wakhan Corridor is about 350 km long.

Explanation

Most abundant element in Earth crust is Oxygen.

Oxygen in the crust is (46.1%).

The chemical formula of oxygen (dioxygen) is O2.

****************

List of 10 Most Abundant Elements in the Earth's Crust

Explanation

The currency of Japan is the yen.

Japan is an island country in East Asia.

Japan is situated in the northwest Pacific Ocean.

The capital of Japan is Tokyo.

The largest city in Japan is Tokyo.

Japan is a part of the Ring of Fire.

The official language is Japanese.

Japan is the eleventh most populous country in the world.

Japan is located on the continent of Asia.

Japan's primary religions are Buddhism and Shinto, but it is a secular country.

Japan's head of government is Prime Minister Fumio Kishida.

Japan's parliament is called the Diet.

Explanation

The first nuclear power plant in Pakistan was established in Karachi With the help of Canada 

KANUPP is Pakistan's first nuclear power plant, inaugurated on November 28, 1972, with a total gross capacity of 137 MW.

while

K2 & K3 with the help of China 

K2  started on 21 May 2021 and has an 1100 MW capacity.

K3 is expected to be started in 2022.

ND23-2-2023

Explanation

Pakistan conducted a series of nuclear tests on 28 May 1998 at the Chagai test site, in Balochistan.

5 Nuclear tests were conducted by Pakistan at 15:15 hrs PST on 28 May 1998.

The tests were performed at Ras Koh Hills in the Chagai District of Balochistan Province.

Chagai-I was Pakistan's first public test of nuclear weapons.

while 

Chagai-II is the codename assigned to the second atomic test conducted by Pakistan, carried out on 30 May 1998

These tests followed the Chagai-I series

The test site was Kharan Desert, Pakistan

The number of tests is 1

Explanation

The Prophet ﷺ performed Only one Hajj in life 

The Holy Prophet performed hajj in 10 Hijri

It was Muhammad ؓﷺ first and last Haj.

This Hajj of Muhammad ؓﷺ is known as Hujjat al-wada

Additional information

Muhammad ؓﷺ performed 4 umrah 

The first Umrah Prophet Muhammad made after the Migration to Medina. on 7 AH (629 CE)

Explanation

World Environment Day was first 1974 observed in the city of Spokane in the USA.

Since 1974, World Environment Day has been celebrated every year on 5 June.

In 1972, the United Nations General Assembly established World Environment Day

World Environment Day Also called Eco Day

The Official name of World Environment Day is UN World Environment Day

What is the theme of World Environment day 2021?

Ecosystem Restoration  

What is the theme of World Environment Day for the year 2022?

Only One Earth  

How many times did Pakistan host World Environment Day?

one time 

Which of the following country hosted United Nations World Environment Day 2021?

Pakistan  

while 

Explanation

The Battle of Karbala took place on Muharram 10.

In the year 61 A.H of the Islamic calendar (October 10, 680).

In Karbala, present-day Iraq.

It was fought between the army of the second Umayyad Caliph, Yazid I, and a small army led by Hussain ibn Ali (AS).

The Umayyad Caliph Muawiyah I had nominated his son Yazid as his successor.