NAT Scientific Aptitude 2

Question 1

Which of the following electromagnetic waves has the highest frequency?

Accepted Answer

Gamma rays

Answer

Gamma rays have the highest frequency (and shortest wavelength) in the electromagnetic spectrum, carrying the most energy per photon.

Question 2

What is the chemical formula for glucose?

Accepted Answer

C₆H₁₂O₆

Answer

Glucose is a monosaccharide with the molecular formula C₆H₁₂O₆, containing 6 carbon, 12 hydrogen, and 6 oxygen atoms.

Question 3

Which of Newton's laws explains why a rocket accelerates as it expels exhaust gases?

Accepted Answer

Third Law (Action-Reaction)

Answer

Newton's Third Law states that for every action there is an equal and opposite reaction; the rocket expels gas backward (action) and is propelled forward (reaction).

Question 4

What is the process by which plants convert sunlight into chemical energy?

Accepted Answer

Photosynthesis

Answer

Photosynthesis is the process by which plants use sunlight, water, and CO₂ to produce glucose and oxygen, converting light energy into chemical energy.

Question 5

Which subatomic particle determines the atomic number of an element?

Accepted Answer

Proton

Answer

The atomic number of an element equals the number of protons in its nucleus; elements are defined and ordered on the periodic table by their proton count.

NAT - National Aptitude Test Practice Test

NAT - National Aptitude Test Practice Test

NAT Scientific Aptitude 2