JHS QUIZ BEE 2025 Easy Round

(-12) - 5 =

• -17

• -7

• 17

• 7

(-4^2) - (3^2) =

• -7

• 7

• 14

• -14

The square of a number diminished by twice another number is 24.

• 2x - 2y = 24

• x^2 + 2y = 24

• 2x - y^2 = 24

• x^2 - 2y = 24

What is the equation of a circle if the center is at (3, -4) and the radius is 5 units?

• (x+ 3)^2 + (y-4)^2 = 25

• (x-3)^2 + (y+4)^2 = 10

• (x-3)^2 + (y+4)^2 = 5

• (x-3)^2 + (y+4)^2 = 25

In the equation y = mx + b, what does 'b' stand for?

• variable

• x - intercept

• y - intercept

• slope

Which part is responsible for providing stability to the microscope?

• Stage clips

• Base

• Eyepiece

• Objective Lenses

What component of the microscope regulates the amount of light that reaches the specimen?

• Fine Adjustment Knob

• Condenser

• Diaphragm

• Coarse Adjustment Knob

It magnifies objects 10x or 15x.

• Eyepiece
  

• Mirror
  

• Iris

• Stage Clips

It is a platform that is flat used for placing the slides under observation.

• Mirror

• Base

• Stage

• Fine Adjustment Knob

It holds two or more objective lenses and rotates in order to change power.

• Coarse Adjustment Knob

• Eyepiece

• Fine Adjustment Knob

• Revolving nosepiece