Question 1

Which of the following gives the correct order of electromagnetic radiation from the lowest frequency to the highest frequency?

Options :

A : microwaves, UHF radio waves, x-rays, visible light

B : UHF radio waves, microwaves, visible light, x-rays

C : microwaves, visible light, x-rays, UHF radio waves

D : microwaves, x-rays, visible light, UHF radio waves

Answer: B

Question 2

Which of the following statements about electricity flowing through a circuit can be correctly derived from Ohm’s law?

Options :

A : Increasing the voltage decreases the current if the resistance remains unchanged.

B : Increasing the current and the resistance decreases the voltage

C : Increasing the current increases the voltage if the resistance is uncharged.

D : Decreasing the resistance increases the current if the voltage remains uncharged

Answer: C

Question 3

Which hormone is responsible for red blood cell production?

Options :

A : Prolactin

B : Aldosterone

C : ACTH

D : Oxytocin

E : Erythropoietin

Answer: A

Question 4

A square has an area of 36. If you doubled the length of the sides of the square, what will its new perimeter be?

Options :

A : 24

B : 36

C : 48

D : 52

E : 72

Answer: C

Question 5

Identify the incorrect pairing of hormone to site of secretion:

Options :

A : Glucagon – alpha cells

B : Angiotensinogen – liver

C : GnRH – anterior pituitary

D : TRH – hypothalamus

E : Oxytocin – posterior pituitary

Answer: C