Download App

10. Biomolecules — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistry10. Biomolecules1 Mark
MCQ
Optically inactive amino acid is :-
  • A
    Lysine
  • ✓
    Glycine
  • C
    Arginine
  • D
    Alanine
✓

Answer

Correct option: B.
Glycine
b
$\begin{array}{*{20}{c}}
  {\begin{array}{*{20}{c}}
  {H\,\,\,\,\,\,\,O} \\ 
  {|\,\,\,\,\,\,\,\,\,||\,\,} 
\end{array}} \\ 
  {H - C - C - OH} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {N{H_2}\,\,\,\,\,\,\,\,\,} 
\end{array}$

Glycine $\rightarrow$ does not have chiral center

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from 10. Biomolecules→10. Biomolecules — all question types→Chemistry STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

A solution of sucrose (molar mass $= 342\, g\, mol^{-1}$) has been prepared by dissolving $68.5\, g$ of sucrose in $1000\,g$ of water. The freezing point of the solution obtained will be ......... $^oC$. ( $K_f$ for water$= 1.86\, K\, kg\, mol^{-1}$ )
→
$\mathrm{H}_2 \mathrm{~S}$ ($5$ moles) reacts completely with acidified aqueous potassium permanganate solution. In this reaction, the number of moles of water produced is $x$, and the number of moles of electrons involved is $y$. The value of $(x+y)$ is. . . . . .
→
On passing $0.1$  Faraday of electricity through aluminium chloride, the amount of aluminium metal deposited on cathode is $(Al = 27)$ ............ $\mathrm{gm}$
→
Which of the following pairs of solutions are expected to be isotonic, temperature being the same?
→
Among the following oxide of $\mathrm{p}$ - block elements, number of oxides having amphoteric nature is

$\mathrm{Cl}_2 \mathrm{O}_7, \mathrm{CO}, \mathrm{PbO}_2, \mathrm{~N}_2 \mathrm{O}, \mathrm{NO}, \mathrm{Al}_2 \mathrm{O}_3, \mathrm{SiO}_2, \mathrm{~N}_2 \mathrm{O}_5,\mathrm{SnO}_2$

→
The $IUPAC$ name of the Wilkinson's catalyst $[RhCl(PPh_3)_3]$ is
→
The normality of $10\,lit.$ volume hydrogen peroxide is
→
Which of the following are correct statements about ${C_2}{H_5}Br$
→
The correct structures of trans-$[NiBr \left._{2}\left( PPh _{3}\right)_{2}\right]$ and meridonial$-[ \left. Co \left( NH _{3}\right)_{3}\left( NO _{2}\right)_{3}\right],$ respectively, are
→
In the reaction of p-chlorotoluene with KNH2​ in liquid NH3​, the major product is:
→