Biomolecules
97 questions · Biology · NEETGuest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.
Biomolecules
97 questions · Biology · NEET
- Match List-I with List-II Choose the option with all correct matches. Includes table2025 · Q15 · MCQ
- The protein portion of an enzyme is called:2025 · Q2 · MCQ
- Which one of the following statements refers to Reductionist Biology?2025 · Q46 · MCQ
- Which one of the following enzymes contains 'Haem' as the prosthetic group?2025 · Q54 · MCQ
- Histones are enriched with -2025 · Q69 · MCQ
- Name the class of enzyme that usually catalyze the following reaction : Where, G a group other than hydrogen …2025 · Q82 · MCQ
- Lecithin, a small molecular weight organic compound found in living tissues, is an example of:2024 · Q1 · MCQ
- Inhibition of Succinic dehydrogenase enzyme by malonate is a classical example of:2024 · Q24 · MCQ
- Match List I with List II Choose the correct answer from the options given below. Includes table2024 · Q44 · MCQ
- The cofactor of the enzyme carboxypeptidase is:2024 · Q5 · MCQ
- Match List I with List II: Choose the correct answer from the options given below : Includes table2024 · Q71 · MCQ
- Regarding catalytic cycle of an enzyme action, select the correct sequential steps : A. Substrate enzyme complex formation. B. Free enzyme ready to bind with another substrate. C. Release of products. D. Chemical bonds of the substrate…2024 · Q92 · MCQ
- Which of the following is a nucleotide?2024 · Q16 · MCQ
- Ligases is a class of enzymes responsible for catalysing the linking together of two compounds. Which of the following bonds is not catalysed by it?2024 · Q31 · MCQ
- Which of the following are not fatty acids? A. Glutamic acid B. Arachidonic acid C. Palmitic acid D. Lecithin E. Aspartic acid Choose the correct answer from the options given below :2024 · Q39 · MCQ
- Which of the following graphs depicts the effect of substrate concentration on velocity of enzyme catalysed reaction?2024 · Q46 · MCQ
- Enzymes that catalyse the removal of groups from substrates by mechanisms other than hydrolysis leaving double bonds, are known as :2024 · Q57 · MCQ
- Match List-I with List-II. Choose the correct answer from the options given below : Includes table2024 · Q59 · MCQ
- Match List - I with List - II Choose the correct answer from the options given below : Includes table2023 · Q1 · MCQ
- Inulin is a polymer of :2023 · Q21 · MCQ
- Which of the following is not a secondary metabolite?2023 · Q46 · MCQ
- Match List-I with List-II. Choose the correct answer from the options given below : Includes table2023 · Q71 · MCQ
- Cellulose does not form blue colour with Iodine because2023 · Q22 · MCQ
- Given below are two statements: Statement I: A protein is imagined as a line, the left end represented by first amino acid (C-terminal) and the right end represented by last amino acid (N-terminal). Statement II: Adult human haemoglobin,…2023 · Q43 · MCQ
- Given below are two statements : Statement I : Low temperature preserves the enzyme in a temporarily inactive state whereas high temperature destroys enzymatic activity because proteins are denatured by heat. Statement II : When the…2023 · Q60 · MCQ
- Match List-I with List-II Choose the correct answer from the options given below Includes table2022 · Q18 · MCQ
- Primary proteins are also called as polypeptides because :2022 · Q34 · MCQ
- Which of the following pair represents free living nitrogen fixing aerobic bacteria?2022 · Q44 · MCQ
- Choose the incorrect enzymatic rection:2022 · Q71 · MCQ
- If DNA contained sulfur instead of phosphorus and proteins contained phosphorus instead of sulfur, what would have been the outcome of Hershey and Chase experiment?2022 · Q74 · MCQ
- Given below are two statements: Statement I : Amino acids have a property of ionizable nature of NH2 and COOH groups, hence have different structures at different pH. Statement-II : Amino acids can exist as Zwitterionic form at…2022 · Q80 · MCQ
- In the enzyme which catalyses the breakdown of: H2O2 H2O + O2 the prosthetic group is :2022 · Q87 · MCQ
- When a carrier protein facilitates the movement of two molecules across the membrane in same direction, it is called2022 · Q9 · MCQ
- Read the following statements on lipids and find out correct set of statements : (a) Lecithin found in the plasma membrane is a glycolipid (b) Saturated fatty acids possess one or more c = c bonds (c) Gingely oil has lower melting point,…2022 · Q40 · MCQ
- A dehydration reaction links two glucose molecules to product maltose. If the formula for glucose is C6H12O6 then what is the formula for maltose?2022 · Q63 · MCQ
- Match List-I with List-II: Choose the correct answer from the options given below: Includes table2022 · Q79 · MCQ
- Which of the following are not secondary metabolites in plants?2021 · Q27 · MCQ
- Match List-I with List-II. Choose the correct answer from the options given below. Includes table2021 · Q36 · MCQ
- Following are the statements with reference to 'lipids'. (1) Lipids having only single bonds are called unsaturated fatty acids (2) Lecithin is a phospholipid. (3) Trihydroxy propane is glycerol (4) Palmitic acid has 20 carbon atoms…2021 · Q78 · MCQ
- Identify the substances having glycosidic bond and peptide bond, respectively in their structure2020 · Q18 · MCQ
- Which one of the following is the most abundant protein in the animals?2020 · Q19 · MCQ
- Match the following Choose the correct option from the following Includes table2020 · Q74 · MCQ
- Identify the wrong statement with reference to the gene ‘I’ that controls ABO blood groups.2020 · Q75 · MCQ
- Identify the basic amino acid from the following2020 · Q79 · MCQ
- Consider the following statements : (A) Coenzyme of metal ion that is tightly bound to enzyme protein is called prosthetic group. (B) A complete catalytic active enzyme with its bound prosthetic group is called apoenzyme Select the correct…2019 · Q70 · MCQ
- Concanavalin A is :2019 · Q73 · MCQ
- The two functional groups characteristic of sugars are2018 · Q9 · MCQ
- Which of the following statements is correct with reference to enzymes?2017 · Q37 · MCQ
- Which of the following are not polymeric?2017 · Q38 · MCQ
- A typical fat molecule is made up of2016 · Q38 · MCQ
- Which one of the following statements is wrong?2016 · Q39 · MCQ
- Which of the following is the least likely to be involved in stablishing the three-dimensional folding of most proteins?2016 · Q33 · MCQ
- A non-proteinaceous enzyme is2016 · Q34 · MCQ
- Which of the following describes the given graph correctly? Includes diagram2016 · Q35 · MCQ
- Which of the following biomolecules does have a phosphodiester bond?2015 · Q31 · MCQ
- The chitinous exoskeleton of arthropods is formed by the polymerisation of2015 · Q32 · MCQ
- Which one of the following statements is incorrect?2015 · Q35 · MCQ
- Which one of the following is a non - reducing carbohydrate?2014 · Q1 · MCQ
- Select the option which is not correct with respect to enzyme action.2014 · Q9 · MCQ
- Uridine, present only in RNA is a2013 · Q36 · MCQ
- The figure shows a hypothetical tetrapeptide portion of a protein with parts labelled A - D. Which one of the following options is correct? Includes diagram2013 · Q37 · MCQ
- Which of the following statements about enzymes is wrong?2013 · Q38 · MCQ
- A phosphoglyceride is always made up of2013 · Q37 · MCQ
- Macromolecule chitin is2013 · Q38 · MCQ
- The essential chemical components of many coenzymes are2013 · Q39 · MCQ
- Transition state structure of the substrate formed during an enzymatic reaction is2013 · Q40 · MCQ
- Which one of the following biomolecules is correctly characterized?2012 · Q18 · MCQ
- Which one out of A - D given below correctly represents the structural formula of the basic amino acid? Includes diagram2012 · Q43 · MCQ
- Which one is the most abundant protein in the animal world?2012 · Q44 · MCQ
- The given diagrammatic representation shows one of the caregories of small molecular weight organic compounds in the living tissues. Identify the category shown and the one blank component ''X'' in it. Includes diagram2012 · Q45 · MCQ
- Which one of the following is wrong statement?2012 · Q46 · MCQ
- The curve given below shows enzymatic activity in relation to three conditions (pH, temperature and substrate concentration). What do the two axes (x and y) represent? Includes diagram2011 · Q41 · MCQ
- Which one of the following structural formulae of two organic compounds is correctly identified along with its related function? Includes diagram2011 · Q42 · MCQ
- The figure given below shows the conversion of a substate into product by an enzyme. In which one of the four options (a-d) the components of reaction labelled as A, B, C and D are identified correctly? Includes diagram2010 · Q15 · MCQ
- Three of the following statements about enzymes are correct and one is wrong. Which one is wrong?2010 · Q16 · MCQ
- Carbohydrates are commonly found as starch in plants storage organs. Which of the following five properties of starch (1 5) make it useful as a storage material? (1) Easily translocated (2) Chemically non-reactive (3) Easily digested…2008 · Q40 · MCQ
- Cellulose is the major component of cell walls of2008 · Q41 · MCQ
- A competitive inhibitor of succinic dehydrogenase is2008 · Q42 · MCQ
- Modern detergents contain enzyme preparations of2008 · Q43 · MCQ
- About 98 percent of the mas of every living organism is composed of just six elements including carbon, hydrogen, nitrogen, oxygen and2007 · Q3 · MCQ
- An organic substance bound to an enzyme and essential for its activity is called2006 · Q43 · MCQ
- Enzymes, vitamins and hormones can be classified into a single category of biological chemicals, because all of these2005 · Q36 · MCQ
- The catalytic efficiency of two different enzymes can be compared by the2005 · Q37 · MCQ
- Which one of the following statements regarding enzyme inhibition is correct?2005 · Q38 · MCQ
- Which of the following is the simplest amino acid?2005 · Q39 · MCQ
- Nucleotides are building blocks of nucleic acids. Each nucleotide is a composite molecule formed by2005 · Q40 · MCQ
- Carbohydrates, the most abundant biomolescule on earth, are produced by2005 · Q41 · MCQ
- Which one of the following enzymes, is copper necessarily associated as an activator?2004 · Q35 · MCQ
- The major role of minor elements inside living organisms is to act as2003 · Q2 · MCQ
- Which of the following is a reducing sugar?2002 · Q39 · MCQ
- Lipids are insoluble in water because lipid molecules are2002 · Q40 · MCQ
- Enzyme first used for nitrogen fixation2001 · Q37 · MCQ
- Role of enzyme in reactions is to/as2000 · Q31 · MCQ
- Which factor is responsible for inhibition of enzymatic process during feedback?2000 · Q32 · MCQ
- Enzymes are not found in2000 · Q33 · MCQ
- ATP is2000 · Q34 · MCQ
- Which of the following have carbohydrate as prosthetic group?2000 · Q35 · MCQ