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Question 1

In a strenuously exercising muscle, NADH begins to accumulate in high concentration. Which of the

following metabolic process will be activated to reduce the concentration of NADH?

Options :

A : Glycolysis

B : The Krebs cycle

C : Lactic acid fermentation

D : Oxidative phosphorylation

E : Acetyl CoA synthesis

Answer: C

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

In times of starvation, which of the following would NOT be expected to be seen in high quantity in the blood?

Options :

A : Glucagon

B : Ghrelin

C : Ketone bodies

D : Insulin

E : B & D

Answer: D

Question 4

A 10 kg box is sitting on a frictionless inclined plane at an angle 10 degrees above the horizontal. What

force must Mark apply to the box to prevent it from moving?

Options :

A : 100sin10 N

B : 10sin10 N

C : 10sin100 N

D : 100sin100 N

E : Cannot be determined.

Answer: A

Question 5

8 dogs must line up behind each other in single file to get a treat. How many different ways can the dogs line up?

Options :

A : 8

B : 16

C : 64

D : 320

E : 40320

Answer: A