BIOMOLECULES Questions

Select the correct option to complete the analogy w.r.t. amino acids. Acidic : Glutamic acid :: Neutral : ______

Choose the incorrect statement w.r.t. lipids.

Assertion (A): Starch gives colour with iodine but cellulose cannot be stained by iodine. Reason (R): Cellulose does not contain complex helices cannot hold iodine molecules.

Select the incorrect statement from the following.

In which of the following options, biomolecules are arranged in decreasing order w.r.t. their percentage in the total cellular mass?

Statement-1 : Transferases enzymes catalysing a transfer of a group G (other than hydrogen) between a pair of substrates S and S' Statement-II : Lyases enzymes catalyse removal of groups from substrate by mechanism other than hydrolysis and leaving s

Name the class of enzyme that usually catalyze the following reaction:-

Match List-I with List-II

Which of the following is not a homopolymer?

In mammals, carbohydrates are stored as :-

Select the option which is not correct with respect to Co-factor-

Complete the analogy: Cellulose : Cellulase :: Chitin : ________

Identify the correctly matched pair of enzyme class and its reaction type:

Consider the following statements regarding proteins and select the correct combination: A. The first amino acid in a polypeptide chain is called the C-terminal amino acid. B. Adult human hemoglobin consists of 4 subunits—two alpha types and two beta

The diagram represents an enzyme, its substrate and potential inhibitors (P, Q, R, S, T). Which one of the following combinations is the best pair of competitive inhibitors for the enzyme?

Match List-I with List-II. Choose the correct answer from the options given below:

From the statements given below regarding enzymes, choose the correct option:A. Enzymes that catalyze the inter-conversion of optical, geometric, or positional isomers are called Isomerases.B. Dehydrogenases catalyze the transfer of electrons from on

Name the class of enzymes that catalyze the removal of groups from substrates by mechanisms other than hydrolysis leaving double bonds:

Which of the following describes the given graph correctly?

Match the column-I with column-II. Column–I Column–II----------------------------------------------------------a. Cellulose (i) Nitrogenous base + Pentose sugarb. Nucleotide (ii) Structural polysaccharidec. Nucleoside (iii) Lecithind. Phospholipid (i

Peptide bond is formed when

Choose the correct option to complete the analogy w.r.t. amino acids. Acidic : Glutamic acid :: Neutral : ______

Back bone of B-DNA is formed by

What happens to the Km and Vmax in the presence of a competitive inhibitor?

How many carbon atoms are present in one molecule of arachidonic acid?

Select the correct combination of nucleoside and nucleotide respectively.

Fructose polymerises to form

Paper made from ______ and ______ is cellulosic. Select the correct option to fill the blanks.

Select the correct pair of metabolites that help in normal physiological processes in human body.

Chitinous exoskeleton of arthropods that is responsible for their evolutionary success is made up of

Select the incorrect statement w.r.t. lipids.

Read the given statements and choose the correct option. Statement A: Saturated and unsaturated fatty acids are esterified with glycerol molecule. Statement B: Substrate binds with an enzyme at its active site.

Assertion (A): Starch gives colour with iodine but cellulose cannot be stained by iodine. Reason (R): Cellulose does not contain complex helices so cannot hold iodine molecules. In the light of above statements, select the correct option.

Select the incorrect statement w.r.t. co-factors.

Choose the correct statement.

Vinblastin and curcumin belong to which of the following categories?

Consider the following statements and select the incorrect one.

The blood concentration of glucose in a normal healthy individual is

In a nucleic acid, a ______ moiety links the 3′-carbon of one sugar of one nucleotide to the 5′-carbon of the sugar of succeeding nucleotide. Select the option that correctly fills the blank.

Read the following given statements carefully and choose the correct option. Statement A: One of the secondary structures exhibited by DNA is the famous Watson-Crick model. Statement B: Three hydrogen bonds are present between adenine and thymine.

Which of the following bonds is broken down on the hydrolysis of a disaccharide?

Choose the correct option w.r.t. bonds that may be present in tertiary structure of a protein.

Which of the following elements constitutes second highest % weight of Earth’s crust?

Select the incorrect statement from the following.

Select the name of a compound that is present in both DNA and RNA.

In which of the following options, biomolecules are arranged in decreasing order w.r.t. their percentage in the total cellular mass?

Adult human haemoglobin consists of 4 subunits. These subunits are

Different types of amino acids are classified on the basis of nature of

The chemical nature of carbonic anhydrase is

Choose the odd one w.r.t. aromatic amino acids.