STEM QUIZ 2025

What is the derivative of sin(x)?

• A) cos(x)

• B) -cos(x)

• C) -sin(x)

• D) tan(x)

Which element has the atomic number 26?

• A) Iron (Fe)

• B) Copper (Cu)

• C) Zinc (Zn)

• D) Nickel (Ni)

In computer science, what does "API" stand for?

• A) Automated Program Interface

• B) Application Programming Interface

• C) Advanced Programming Integration

• D) Artificial Programming Intelligence

What is Newton’s second law of motion?

• A) F = ma

• B) F = mv

• C) F = ½mv²

• D) F = mg

Which biological molecule stores genetic information?

• A) Protein

• B) Lipid

• C) DNA

• D) Carbohydrate

What is the value of Planck’s constant h?

• 6.626 × 10³⁴ J·s

• 3.00 × 10⁸ m/s

• 9.81 m/s²

• 1.602 × 10^-19 C

Which data structure follows FIFO

(First In, First Out) principle?

• A) Stack

• B) Queue

• C) Tree

• D) Graph

What is the formula to calculate the resistance R in an electrical circuit?

• A) R = VI

• B) R = V/I

• C) R = V + I

• D) R = VI²

A red blood cell’s primary function is:

• A) Defend against pathogens

• B) Carry oxygen

• C) Produce hormones

• D) Store energy

In chemistry, what is the pH of a neutral solution at 25°C?

• A) 0

• B) 7

• C) 14

• D) 1