NAT Scientific Aptitude 2

Question 1

Which of the following electromagnetic waves has the highest frequency?

Accepted Answer

Gamma rays

Answer

Radio waves

Answer

Infrared radiation

Answer

Ultraviolet radiation

Question 2

What is the chemical formula for glucose?

Accepted Answer

C₆H₁₂O₆

Answer

C₁₂H₂₂O₁₁

Answer

CH₄

Answer

C₂H₅OH

Question 3

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

Accepted Answer

Third Law (Action-Reaction)

Answer

First Law (Law of Inertia)

Answer

Second Law (F = ma)

Answer

Law of Universal Gravitation

Question 4

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

Accepted Answer

Photosynthesis

Answer

Cellular respiration

Answer

Fermentation

Answer

Transpiration

Question 5

Which subatomic particle determines the atomic number of an element?

Accepted Answer

Proton

Answer

Neutron

Answer

Electron

Answer

Positron

Question 6

A wave has a frequency of 50 Hz and a wavelength of 4 m. What is its speed?

Accepted Answer

200 m/s

Answer

12.5 m/s

Answer

46 m/s

Answer

54 m/s

Question 7

Which type of rock is formed from the cooling and solidification of magma or lava?

Accepted Answer

Igneous

Answer

Sedimentary

Answer

Metamorphic

Answer

Composite