Question 1

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 2

Multiply 3 1/4 x 8/18.

Options :

A : 1/3

B : 3 1/9

C : 1/13

D : 1 4/9

Answer: D

Question 3

What is the pH of 0.001M NaOH solution?

Options :

A : 11

B : 3

C : 13

D : 8

E : 5

Answer: A

Question 4

In IUPAC nomenclature, which of the following functional groups has the highest priority in numbering a parent chain?

Options :

A : Alkanes

B : Alkenes

C : Alkynes

D : Amines

E : Esters

Answer: A

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

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