Which gas can be accumulated in poorly ventilated buildings:

• A. Xenon
• B. Hydrogen
• C. Radon
• D. Helium

Which of the following is most elastic material?

• A. Rubber
• B. Sponge
• C. Glass
• D. Steel

What is the most important layer of the earth:

• A. Mantle
• B. Crust
• C. Core
• D. None of these

When water freezes, it expands in volume by about:

• A. 0.03
• B. 0.06
• C. 0.09
• D. 0.1

The most important stimulant in tea leaves is:

• A. Caffeine
• B. Brucine
• C. Phenylalanine
• D. Theine

It is not advisable to sleep under a tree at night because of the release of:

• A. More oxygen
• B. less oxygen
• C. carbon dioxide
• D. carbon monoxide

The process of movement of molecules from a higher concentration place to a lower concentration places is known as:

• A. Diffusion
• B. Evaporation
• C. Sublimation
• D. Condensation

What Power Point feature will you use to apply motion effects to different objects of a slide:

• A. Slide transition
• B. Animation Scheme
• C. Slide design
• D. Animation objects

The header and footer command are located on _________ tab in MS Word.

• A. Home
• B. Insert
• C. View
• D. Header

The F7 key is commonly used for:

• A. Renaming files and folders
• B. Checking spelling and grammar
• C. Opening help
• D. Searching content in various apps