Explanation

• PowerPoint is used to create multimedia presentations.
• Combines text, images, audio, video, animations, and charts.
• Developed by Microsoft.
• File extension: .pptx

Last updated on 14-09-2026

Explanation

• Currency: Pakistani Rupee (PKR)
• First currency note: Rs. 2
• First coin: Issued on 3 January 1948
• First coin designer: Brandley

Additional information

• National Animal: Markhor
• National Tree: Deodar
• National Dish: Nihari
• National Fruit: Mango
• National Flower: Jasmine
• National Vegetable: Lady Finger (Okra)
• Field hockey is Pakistan's official national sport.

Last updated by NA on 15-09-2026

Explanation

• Keyboard → An input device used to enter data and commands.
• Inventor: Christopher Latham Sholes
• Function keys: 12 (F1–F12)
• Alphanumeric keys: A–Z and 0–9
• Punctuation keys: Comma, period, semicolon, etc.
• Special keys: Arrow keys, Caps Lock, Enter, Ctrl, Alt
• Longest key: Spacebar
• Standard keyboard: 101 keys

Explanation

• Engineering is naturally associated with construction
• Engineer → Construction
• Engineers design and build structures.
• Civil engineers work on buildings, roads, and bridges.

Explanation

• The present tense (base form) of “to make” is “make.”
• Because “to make” is the infinitive form of the verb.
• When we remove “to”, we get the base form, which is:
• To make → make

Explanation

• “I was playing” is grammatically correct in the Past Continuous Tense.
• With “I”, the past form of “be” is “was.”

Explanation

• The smallest unit of matter is an atom.

Structure of an Atom

• Nucleus: The central part made of heavy protons and neutrons.
• Electrons: Tiny, light particles that circle the nucleus.
• Protons: Particles with a positive charge.
• Neutrons: Particles with no electrical charge

Explanation

All students must take Math.

Jake is a student.

Therefore, Jake has to take the Math class.

Explanation

• Position: 2nd planet from the Sun.
• Distance: About 108 million km from the Sun.
• Order: Mercury → Venus → Earth.
• Temperature: Hottest planet in the Solar System.
• Reason: Thick atmosphere traps heat through the greenhouse effect.

Explanation

• Addition and Subtraction are opposite mathematical operations.
• Similarly, Multiplication and Division are opposite operations.