Biomolecules — practice questions
95 curated practice questions from Biomolecules (Biology NEET, NTA Exams) — 53 easy, 24 medium, 18 hard. Every question includes the final answer free; step-by-step worked solutions with a free account.
- Given below are two statements. One is labeled as Assertion and the other is labeled as Reason. STATEMENT - 1…
- Which of the following statements is not true about enzyme inhibitors?
- Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion…
- The process of breakdown of glycogen into glucose is called:
- Antibodies in our body are complex [CBSE PMT 2006]
- Which of the following is not correctly matched? Column I Column II A Proteins that are crucial to body’s communication…
- Find the CORRECT statements: Elemental analysis shows higher relative abundance of carbon in living matter versus…
- Saturated hydrocarbon is protected from aqueous environment by
- Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion…
- Find the CORRECT statements about protein structure: The primary structure is the sequence of amino acids linked by…
- Immobilised enzymes are generally used for bioreactors in [AIIMS 2001]
- Enzymes that catalyse the removal of groups of substrates by mechanisms other than hydrolysis leaving double bonds, are…
- A nitrogenous base, together with a deoxyribose sugar and a phosphate group forms:
- Find the CORRECT statements: Proteins are homopolymers because they contain only one type of amino acid. Collagen is…
- Secondary metabolites such as nicotine, strychnine and caffeine are produced by plants for their
- Find the INCORRECT statements about enzyme regulation: Allosteric inhibitors bind to sites other than the active site…
- Given below are two statements: Statement I : Deoxy uridylic acid does not exists in nature. Statement II …
- Arrange the following substrate in increasing order of energy released on oxidation 1g protein 1g fat 1g of glucose…
- Which of the following molecule is capable of forming zwitterion?
- Functions of proteins include: I. Enzymatic catalysis II. Structural support III. Oxygen transport IV. Immune defense…
- Which of the following type of interaction is possible between substrate and enzyme at the active site of enzyme? (i)…
- A non-protein organic part attached firmly to an apoenzyme is called:
- The cholesterol and its esters get deposited in the arteries because they are:
- Given below are two statements: Statement I : A unit formed by the attachment of a base to 1' position of sugar is…
- Which of the following statements is/are correct about nitrogen bases in nucleic acids? I. Adenine and guanine are…
- Ligases is a class of enzymes responsible for catalysing the linking together of two compounds. Which of the following…
- Which of the following enzyme would change glucose-6 phosphate to glucose 1-phosphate?
- Given below are two statements. One is labelled as Assertion and the other is labelled as Reason. STATEMENT - 1…
- Consider the following statements (i) Food preservatives prevent spoilage of food due to microbial growth. (ii) C 6 H 5…
- What type of forces bind the substrate to the active site of enzyme? (i) Ionic bonding (ii) Hydrogen bonding (iii) van…
- Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion…
- Find the CORRECT statements about enzyme kinetics: At substrate saturation, the reaction velocity reaches V max …
- Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A)…
- DNA precipitation out of a mixture of biomolecules can be achieved by treatment with
- Identify the substances having glycosidic bond and peptide bond, respectively in their structure.
- Which of the following is not a target molecule for drug function in body?
- Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion…
- Identify the incorrect pair [NEET 2021]
- Given below are two statements: Statement I: G.N. Ramachandran is renowned for his work on the triple helical structure…
- Rennin used in cheese industry is [MP PMT 1995; BVP 2002]
- Which of the following statements is/are correct regarding elemental composition? I. Carbon content is higher in living…
- Which of the following secondary metabolites is a drug [Kerala PMT 2012]
- Defect in amino acid metabolism may results in:
- Find the CORRECT statements: Amino acids are classified as acidic, basic, or neutral based on the R group. A zwitterion…
- Find the CORRECT statements: Fatty acids are characterized by a carboxyl group attached to an R group. Palmitic acid is…
- Assertion: Enzymes have active sites that hold substrate molecule for a chemical reaction. Reason: Drugs compete with…
- ADA is an enzyme which is deficient in a genetic disorder SCID. What is the full form of ADA [NCERT Pg. No. 182]
- A class of enzyme which brings about change in a group without altering its own composition?
- Which of the following statements is/are correct about biomacromolecules? I. Proteins are heteropolymers of amino acids…
- Given below are two statements. One is labelled as Assertion and the other is labelled as Reason. STATEMENT - 1…
- The secondary metabolite obtained from Catharanthus roseusis [MHCET 2015]
- Which of the following polymers of glucose is stored by animals?
- The correct sequence of steps in analyzing chemical composition of living tissue is: I. Grind tissue in trichloroacetic…
- Which of the following is the least likely to be involved in stabilizing the three-dimensional folding of most proteins?
- Given below are two statements: Statement I : Quaternary structure is found in proteins having multiple polypeptide…
- Glycogen, a naturally occurring polymer stored in animals is a:
- Arrange the following artificial sweeten CTS in increasing order of their sweetness value?
- Assertion : Extraction and purification of enzymes is laborious and expensive. Reason : Protein engineering can be used…
- Given below are two statements: Statement I : Vitamin C cannot be stored in our body. Statement II : It is a fat…
- Common immediate source of energy for cellular activities is:
- Find the CORRECT statements: In enzyme kinetics, Km is the substrate concentration where reaction velocity equals ½…
- The two functional groups present in a typical carbohydrate are:
- Malonate inhibits the growth of pathogenic bacteria by inhibiting the activity of
- Find the CORRECT statements: Carbonic anhydrase accelerates reactions 10 million-fold. Lipids form hydrophobic vesicles…
- The proteinaceous part which joins with the non- proteinaceous part to form a functional enzyme is:
- Given below are two statements: Statement I : Low temperature preserves the enzyme in a temporarily inactive state…
- Given below are two statements. One is labelled as Assertion and the other is labelled as Reason. STATEMENT- 1…
- Assertion: Competitive inhibitors compete with natural substrate for their attachment on the active sites of enzymes…
- Name the class of enzyme that usually catalyze the following reaction : S – G + S # → S + S # – G Where, G → a group…
- Which of the following compounds is known as the antisterility factor?
- The reaction of concentrated sulphuric acid with carbohydrates (C 12 H 22 O 11 ) is an examle of
- Which of the following belong to class V of IUB system of classification of enzyme?
- Enzymes that catalyze inter-conversion of optical, geometrical or positional isomers are:
- Glucose and Galactose are having identical configuration in all the positions except position.
- The base sequence for a nucleic acid segment is given as GAGAGGGGACCA. From this it can be concluded that it is a…
- Select the option having all correctly matched pairs A. Alkaloids (i) Carotenoid; Anthocyanin B. Pigments (ii)…
- Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion…
- A particular enzyme molecule interacts with the specific substrate molecule as explained by:
- From the statements given below choose the correct option regarding enzyme classes: I. Oxidoreductases catalyze…
- Which one of the following is the most abudant protein in the animals?
- Given below are two statements: Statement I : The coagulation of egg white is an example of denaturation. Statement II…
- The increasing order of pKa of the following amino acids in aqueous solution is: Gly Asp Lys Arg
- Lecithin, a small molecular weight organic compound found in living tissues, is an example of:
- Tay Sach’s disease is caused by deficiency is [AMU (Med.) 2006; AIIMS 2009]
- The enzymes which break up nucleic acids into nucleotides are called:
- Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion…
- Given below are two statements: one is labeled as Assertion (A) and the other is labeled as Reason (R). Assertion (A) …
- The reason for double helical structure of DNA is operation of:
- During protein denaturation which of the following is disrupted?
- Given below are two statements: one is labelled as Assertion (A) and other is labelled as Reason (R). Assertion (A) …
- Find the CORRECT statements: Biomacromolecules in the acid-insoluble fraction include proteins, nucleic acids…
- The most widely distributed enzyme amongst living organisms is:
- Collection of organic and inorganic molecules in a cell is termed as:
- Which of the following statements about amino acids are correct? They contain both amino and carboxyl groups on the…
- Find the CORRECT statements: Relative carbon abundance in living matter exceeds non-living matter per elemental…