Explanation

Explanation

Explanation

Explanation

Vitamin A deficiency can be caused by inadequate intake, poor fat absorption, or liver disease.

Deficiency impairs immunity and blood formation, causing skin rashes and typical eye symptoms (xerophthalmia, night blindness, etc.).

Carrot is a good source of Vitamin A.

Night blindness means رات کا اندھا پن 

Explanation

Hydrogen and helium are the two lightest gases.

Helium is the second most abundant element in the universe, after hydrogen.

Helium has monatomic molecules.

It is the lightest of all gases except hydrogen.

Hydrogen is the lightest gas known.

It provides the maximum lift for balloons due to its very low density.

Explanation

Constitution of the Islamic Republic of Pakistan 1956, was promulgated on 23rd March 1956.

Constitution of the Islamic Republic of Pakistan 1962, was promulgated on 8^th  June 1962.

Constitution of the Islamic Republic of Pakistan 1973, was promulgated on 14th August 1973.

Explanation

Explanation

Superscript & subscript are known as Font effects.

Superscript is used to create small letters above the line of text.

Subscript is used to create small letters below the line of text

Subscript shortcut key: Ctrl, Shift + Plus sign (+)

Superscript shortcut key: Ctrl, Shift, and the Plus sign (+) at the same time.

Explanation

MS PowerPoint is an example of Application software. 

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Microsoft PowerPoint is a powerful slide show presentation program. 

The program utilizes slides to convey information rich in multimedia content.

PowerPoint, a presentation program created by Robert Gaskins and Dennis, was released on May 30, 1990.

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The default font size in MS PowerPoint is 18

Explanation

• The first rocket launched by Pakistan was Rehbar.
• It was launched by SUPARCO on 7th June 1962.
• SUPARCO stands for Space and Upper Atmosphere Research Commission.