Given below are two statements:

Statement I: The condensation reaction between $\mathrm{CH_3-CH=O}$ and
under optimum pH will produce

Statement II: The molecule, will generate $\mathrm{Ph-CH=O}$ in the presence of dilute acid.

In the light of the above statements, choose the correct answer from the options given below:

Given below are two statements :

Statement I : Heating benzamide with bromine in an ethanolic solution of sodium hydroxide will give benzylamine.

Statement II : Nitration of aniline with $\mathrm{HNO}_3 / \mathrm{H}_2 \mathrm{SO}_4$ at 288 K produces $m$-nitroaniline in higher amount than $o$-nitroaniline ( pH adjusted).

In the light of the above statements, choose the correct answer from the options given below :

Identify the incorrect statement about tertiary structure of proteins.

$$ \text { Given below are two statements : } $$

$$ \text { Statement I : } $$ and are two anomers of D-(+)-glucode.

Statement II : The open chain forms of D-glucose and D- fructose contain three similar chiral carbons at $\mathrm{C}_3, \mathrm{C}_4$ and $\mathrm{C}_5$.

In the light of the above statements, choose the correct answer from the options given below :