Explore topic-wise MCQs in Life Sciences.

This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Life Sciences knowledge and support exam preparation. Choose a topic below to get started.

1.

What is reduction potential?

A. The molecule loses an electron
B. An atom/molecule gains an electron
C. Reducing the power of an electron
D. Oxidation power of an electron
Answer» C. Reducing the power of an electron
Discussion
2.

What is the name of the molecule which donates its electrons?

A. Reducing agent
B. Oxidative agent
C. Standard reduction potential
D. Oxidant
Answer» B. Oxidative agent
Discussion
3.

Which of the following equation gives the relationship between G and Keq?

A. G = -RT ln K<sub>eq</sub>
B. G = ln K<sub>eq</sub>
C. G = G (-RT K<sub>eq</sub>)
D. G = -RT ln K<sub>eq</sub>
Answer» B. G = ln K<sub>eq</sub>
Discussion
4.

Which of the following factor is not responsible for the actual change in free energy ( G)?

A. Temperature
B. Pressure
C. The initial concentration of reactant and products
D. pH
Answer» E.
Discussion
5.

What is the value of G, when a system is in equilibrium?

A. G = 0
B. G = 1
C. G = -1
D. G = G
Answer» B. G = 1
Discussion
6.

Which of the following equation shows the relationship between free energy change ( G) and the change in entropy ( S), under constant temperature and pressure?

A. G = T H S
B. G = T H/ S
C. G = H/T S
D. G = H T S
Answer» E.
Discussion
7.

Gibb s free energy is the portion of the total energy which is available for useful work.

A. True
B. False
Answer» B. False
Discussion