19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Which of the following is not a fat soluble vitamin? (AIPMT 2011)
Which of the statements about “Denaturation” given below are correct? (AIPMT 2011) (1) Denaturation of proteins causes loss of secondary and tertiary structures of the protein. (2) Denaturation leads to the conversio…
Which one of the following statements is not true regarding (+)–lactose? (AIPMT 2011)
The monomer units of starch are (RPMT 2010)
The change in optical rotation of freshly prepared solution of cane sugar with time is known as (Manipal 2010)
Hyrolysis of sucrose is called (AFMC 2018)
Which of the following is a basic amino acid? (NEET 2020)
Fructose reduces Tollens’ reagent due to (Mains 2010)
What is the structure of L-Glucose? (a) (b) (c)
Which one of the following does not exhibit the phenomenon of mutarotation? (AIPMT 2010)
The segment of DNA, which acts as the instrumental manual for the synthesis of the protein is (AIPMT 2009)
In DNA, the complimentary bases are (AIPMT 2008)
Which of the following vitamins is water soluble? (AIPMT 2007)
RNA and DNA are chiral molecules, their chirality is due to (AIPMT 2007)
The helical structure of protein is stabilised by (Manipal 2007)
Number of chiral carbon atoms in -D(+) glucose is (Manipal 2007)
The hormone that helps in the conversion of glucose to glycogen is (Manipal 2007)
A sequence of how many nucleotides in messenger RNA makes a codon for an amino acid? (Manipal 2007)
Which one of the following structures represents the peptide chain? (Manipal 2007) (a) (b) (c) (d)
Identify the amino acid obtained by hydrolysis of the above compound.
Assertion (A) Glucose on acetylation gives pentaacetate. Reason (R) It contains five OH group.
Select the incorrect statement about the sugar.
“Carbohydrate that cannot be hydrolysed further to give simpler unit of polyhydroxy aldehyde or ketone”. Name the type of carbohydrate.
Select the evidence for the open chain structure of glucose.
Polysaccharides contain a large number of …I… units joined by …II… linkage. They act as the food storage or structural material. Fill in the blanks with appropriate words and choose the correct option.