Biomolecules · Chemistry · MHT CET
MCQ (Single Correct Answer)
Which from following nitrogen bases either of purine or pyrimidine does NOT contain $-\mathrm{NH}_2$ group attached with its ring?
Which from following amino acids contains heterocyclic ring at a side chain (R) group?
Identify the source of gallic acid from following
Which from following amino acids contains ' S ' in its side chain $(\mathrm{R})$ ?
Which from following on hydrolysis forms invert sugar?
Which amino acid from following is NOT synthesized in our body?
Which carbon atom of glucopyranose numbered from $\mathrm{C}-1$ to $\mathrm{C}-6$ is anomeric?
What are the positions of ' N ' atoms present in pyrimidine ring of nucleic acids?
Identify neutral amino acid from following list represented by three letter symbols.
Which from following tests contirms presence of aldehydic group in glucose?
Which from following is an essential amino acid?
What is the number of $>\mathrm{C}=\mathrm{C}<$ bonds present in a linolenic acid molecule?
Which from following pairs of carbohydrates produce equal quantity of glucose on hydrolysis per mole?
Which from following carbohydrates produces double quantity of glucose on hydrolysis per mole as compared with sucrose?
What type of glycosidic linkages are developed when excess glucose is to be stored for future use in animals?
Which from following nitrogen bases of nucleic acids is derived from purine?
What is the number of moles of oxygen and number of moles of N atoms respectively present in one mole thymine?
Identify acidic amino acid from following (represented by using three letter symbols)
Identify the correct statement about glucose from following.
The correct zwitter ion structure of glycine is
How many amino acids are linked together by $(\mathrm{n}-1)$ amide bonds?
What is the number of amino acids present in single turn of $\alpha$-helix of protein?
Which from following proteins acts as an enzyme to break protein to $\alpha$-amino acid?
Which from following compounds is obtained when glucose is heated with HI for longer time?
Identify fibrous protein from following.
Identify acidic amino acid from following (represented by using three letter symbols).
Which from following is NOT a salient feature of Watson and Crick model for DNA?
Which from following statements is NOT true for nucleic acids?
Identify the carbon atoms of glucose and of fructose forming glycosidic bond in sucrose.
Which from following is NOT a globular protein?
Identify fibrous protein from following.
Identify glycosidic linkage present in maltose.
What is the number of moles of nitrogen atoms present in one mole cytosine?
Identify basic amino acid from following.
Which from following statements is CORRECT about saccharic acid?
Which from following compounds is used to prepare adipic acid using enzymes in green technology developed by Drath and Frost?
Which of the following one letter symbol is used to represent aspartic acid?
What is the number of moles of N atoms and number of moles of O atoms respectively present in one mole of uracil?
Which ' $c$ ' atom of ribose sugar (numbered from $1^{\prime}$ to $5^{\prime}$ ) bonds with phosphate group to form AMP?
If $\mathrm{Cell-OH}$ represents formula of cellulose, identify the formula of cellulose xanthate from following.
Identify essential amino acid from following.
Identify molecular formula of laevulose
Identify the nitrogen atom of purine base that bonds with $1^{\prime}$ carbon of ribose to form ribonucleoside?
Which from following n mole molecules of carbohydrate contains 2 n mole molecules of galactose, $n$ moles of glucose and $n$ moles of fructose in it?
Identify false statement from following.
Identify glycosidic linkages for formation of chain and branches respectively in amylopectin.
What type of peptide is the glycylalanine?
Which of the following is NOT a basic amino acid?
Identify non reducing sugar from following.
In which of the following carbohydrate, molecular mass increases by $$84 \mathrm{u}$$ after complete acetylation?
Identify glycosidic linkage present in maltose.
Which of the following is not a disaccharide?
Which of the following is NOT a globular protein?
Identify A in the following reaction.
$$\mathrm{{C_6}{H_{12}}{O_6}\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{dil.\,HN{O_3}}^{(O)}} A}$$
Which of the following is not a globular protein?
What is the number of $$-$$OH groups present in one molecule of ribose?
What type of glycosidic linkages are present in cellulose?
What is the value of specific rotation exhibited by fructose molecule?
Which of the following enzyme is found in saliva?
Which of the following phenomena is NOT explained by the open chain structure of glucose?
Which of following is NOT correct about fructose?
Identify the reagent that confirms the presence of five $$-\mathrm{OH}$$ groups in glucose.
Identify the glycosidic linkage present in lactose.
Identify tetrasaccharide from following.
Which among the following $$\alpha$$-amino acids does NOT have chiral carbon atom?
Identify glycosidic linkage present in lactose.
Identify the carbon atoms of $$\alpha$$-glucose and $$\beta$$-fructose forming glycosidic linkage in sucrose.
Identify the trisaccharide from following.
Which carbon atoms (numbered from $$C_1$$ to $$C_6$$ ) are involved in the formation of ring structure of glucose?
What is the value of specific rotation exhibited by glucose molecule?
Which nitrogen atom of pyrimidine base numbered from 1 to 6 is bonded with furanose sugar ?
Which of the following is an aldohexose?
Which of the following is a correct bridged name of deoxyriboseadenosine monophosphate?
Identify basic $$\alpha$$-amino acid from following.
Which from following reagents is used to identify straight chain of glucose?
The units of monosaccharides present in raffinose are
Identify the protein present in nail.
Which of following is used for synthesis of adipic acid enzymatically by Drath and Frost?
Identify the sugar containing $$\alpha, \beta-1,2$$-glycosidic linkage.
Which of the following compound is obtained when glucose is treated with dilute nitric acid?
Which among the following is a double ring containing nitrogen base present in nucleic acids?
Identify the reagent R used in following conversion.
Glucose $$\mathrm{\buildrel R \over \longrightarrow}$$ n - hexane
Which is C-terminal residue in glycyl alanine?
Identify $$\mathrm{N}$$ and $$\mathrm{C}$$ terminal of $$\alpha $$-amino acid respectively in following polypeptide fragment. Ala-Gly-Ser-Tyr-Gly
Which of following enzymes is useful in conversion of glucose to fructose?
Which reagent oxidizes glucose to saccharic acid?
Identify the hydrolysis product of starch.
Which carbon atom of ribose sugar is joined to nitrogen base to form nucleoside?
Glucose and gluconic acid on oxidation with dilute nitric acid forms saccharic acid. This reaction confirms that glucose contains
Which among the following carbohydrates is a trisaccharide?
Identify the glycosidic linkage present in lactose.
Which of the following sugar is found in milk?
Identify the enzyme $X$ in the following reaction
$\mathrm{H}_2 \mathrm{O}_2(\mathrm{aq}) \xrightarrow{x} \mathrm{H}_2 \mathrm{O}(l)+\frac{1}{2} \mathrm{O}_2(g)$
Which reagent among the following is used to confirm presence of aldehydic carbonyl group in glucose?
Which carbon atoms of $\alpha-D$ glucopyranose and $\beta$-D-fructofuranose respectively are linked together to form glycosidic linkage in sucrose?
Which among the following compounds is obtained when glucose react with hydrogen cyanide?
Which is the product obtained, when $$\mathrm{Br}_2$$ water reacts with glucose?
Which among the following compounds belongs to lipids?
Identify the enzyme that catalyses the reaction of $$\mathrm{CO}_2$$ with water in huma body.
Which among the following amino acids has lowest molar mass?
Which among the following type of linkages is present in cellulose?
The vitamin that belongs to aromatic series is
Which of the following is not present in DNA?
Which of the following molecules form a Zwitter ion?
The enzyme which converts maltose to glucose is
How many isoprene units are present in abscisic acid?
$\beta$-pleated sheets of polypeptide chains are present in