Choose the incorrect combination among the following:

Analyzing the combinations for accuracy.
Hensen's node (I): Correctly matched. It plays a crucial role in the gastrulation process by inducing the involution of chorda mesodermal cells.
Epimere (II): Incorrectly matched. Epimere forms the dorsal somatic mesoderm, primarily contributing to the development of dermis, skeletal muscles, and vertebral column, not directly related to the urinogenital organs.
Cowper’s glands (III): Incorrectly matched. Cowper's glands are not located beneath the urinary bladder; they are near the penile urethra and their secretions lubricate the urethra for sperm passage, not specifically for nutrition.
Mons pubis (IV): Correctly matched. It is indeed a cushion of fatty tissue present above the labia majora.
Match the following:
| List–I | List–II |
|---|---|
| A. Ball and socket joint | I. Inter carpal joint |
| B. Hinge joint | II. Between humerus and Pectoral girdle |
| C. Pivot joint | III. Between carpals and metacarpals |
| D. Gliding joint | IV. Between atlas and axis |
| V. Knee joint |
Which of the following are ambident nucleophiles?
[A.] CN$^{\,-}$
[B.] CH$_{3}$COO$^{\,-}$
[C.] NO$_{2}^{\,-}$
[D.] CH$_{3}$O$^{\,-}$
[E.] NH$_{3}$
Identify the anomers from the following.

The standard Gibbs free energy change \( \Delta G^\circ \) of a cell reaction is \(-301 { kJ/mol}\). What is \( E^\circ \) in volts?
(Given: \( F = 96500 { C/mol}\), \( n = 2 \))