Download App

Biomolecules — Chemistry STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceChemistryBiomolecules2 Marks
Question
Explain the following terms:
  1. Invert sugar.
  2. Polypeptides.
✓

Answer

  1. Invert sugar: Hydrolysis of sucrose brings about a change in a sign of rotation from dextro (+) to laevo (-) and the product is named as invert sugar.
  2. Polypeptides are the polymers of amino acids.

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 "2 Marks Questions" from Biomolecules→Biomolecules — all question types→Chemistry STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

Enumerate the reactions of $D -$ glucose which cannot be explained by its open chain structure.
→
Write the reactions taking place in the electrolysis of dilute and concentrated $H _2 SO _4$.
→
Write the reactions of $D-$ glucose which can’t be explained by its open $-$ chain structure. How can cyclic structure of glucose explain these reactions?
→
Calculate the volume of water which could be added to $20\ m$l of $0.65 \ m \ \text{HCl}$ to dilute the solution to $0.2\ m$?
→
Answer the following question:
Give reasons for the following:
  1. At higher altitudes, people suffer from a disease called anoxia. In this disease, they become weak and cannot think clearly.
  2. When mercuric iodide is added to an aqueous solution of $KI$, the freezing point is raised.
→
(i) How will you prepare methanol from formaldehyde without using a reducing agent?
(ii) Why is Rochelle salt used in Fehling's solution?
→
Explain Rosenmund reduction in brief.
→
Write the mechanism of acid dehydration of ethanol to yield ethene.
→
Give the structures of A, B and C in the following reaction:$\text{C}_6\text{H}_5\text{NO}_2\xrightarrow[]{\text{Fe}/\text{HCl}}\text{A}\xrightarrow[273\text{K}]{\text{NaNO}_2+\text{HCl}}\text{B}\xrightarrow[\Delta]{\text{H}_2\text{O}/\text{H}^+}\text{C}$
→
Explain the nomenclature of Enzymes.
→