Students can refer to the following Biomolecules MCQ Question for Class 11 with Answers provided below based on the latest curriculum and examination pattern issued by CBSE and NCERT. Our teachers have provided here collection of multiple choice questions for Chapter 1 Biomolecules Class 11 Biology covering all topics in your textbook so that students can assess themselves on all important topics and thoroughly prepare for their exams
Biomolecules MCQ Question Class 11 Biology with Answers
We have provided below Biomolecules MCQ Question for Class 11 with answers which will help the students to go through the entire syllabus and practice multiple choice questions provided here with solutions. As MCQ Questions for Class 11 Biology pdf download can be really scoring for students, you should go through all problems provided below so that you are able to get more marks in your exams.
Biomolecules MCQ Question for Class 11
Question. RNA does not possess
Question. About 98 percent of the mass of every living organism is composed of just six elements including carbon, hydrogen, nitrogen, oxygen and
(a) sulphur and magnesium
(b) magnesium and sodium
(c) calcium and phosphorus
(d) phosphorus and sulphur.
Question. Which of the following is the simplest amino acid?
Question. Identify the basic amino acid from the following.
(b) Glutamic Acid
Question. The two functional groups characteristic of sugars are
(a) hydroxyl and methyl
(b) carbonyl and methyl
(c) carbonyl and phosphate
(d) carbonyl and hydroxyl.
Question. The chitinous exoskeleton of arthropods is formed by the polymerisation of
(a) N – acetyl glucosamine
(c) keratin sulphate and chondroitin sulphate
(d) D – glucosamine.
Question. The basic unit of nucleic acid is
(a) pentose sugar
Question. Which one of the following statements is wrong?
(a) Uracil is a pyrimidine.
(b) Glycine is a sulphur containing amino acid.
(c) Sucrose is a disaccharide.
(d) Cellulose is a polysaccharide.
Question. Spoilage of oil can be detected by which fatty acid?
(a) Oleic acid
(b) Linolenic acid
(c) Linoleic acid
(d) Erucic acid.
Question. Essential amino acid is
(c) aspartic acid
Question. 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 by animals
(4) Osmotically inactive
(5) Synthesized during photosynthesis
The useful properties are
(a) (1), (3) and (5) (b) (1) and (5)
(c) (2) and (3) (d) (2) and (4).
Question. “Ramachandran plot” is used to confirm the structure of
Question. Which one of the following is a non – reducing carbohydrate?
(d) Ribose 5-phosphate
Question. The major role of minor elements inside living organisms is to act as
(a) co-factors of enzymes
(b) building blocks of important amino acids
(c) constituent of hormones
(d) binder of cell structure.
Question. A typical fat molecule is made up of
(a) one glycerol and one fatty acid molecule
(b) three glycerol and three fatty acid molecules
(c) three glycerol molecules and one fatty acid molecule
(d) one glycerol and three fatty acid molecules.
Question. A phosphoglyceride is always made up of
(a) a saturated or unsaturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached
(b) a saturated or unsaturated fatty acid esterified to a phosphate group which is also attached to a glycerol molecule
(c) only a saturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached
(d) only an unsaturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached.
Question. Lipids are insoluble in water because lipid molecules are
(d) zwitter ions.
Question. Concanavalin A is
(a) a pigment
(b) an alkaloid
(c) an essential oil
(d) a lectin.
Question. Which one of the following is the most abundant
protein in the animals?
Question. What are the most diverse molecules in the cell?
(b) Mineral salts
Question. The four elements that make up 99% of all elements found in a living system are
(a) C, H, O and P
(b) C, N, O and P
(c) H, O, C and N
(d) C, H, O and S.
Question. Amino acids are mostly synthesised from
(a) mineral salts
(b) fatty acids
(c) volatile acids
(d) α-ketoglutaric acid.
Question. Macromolecule chitin is
(a) sulphur containing polysaccharide
(b) simple polysaccharide
(c) nitrogen containing polysaccharide
(d) phosphorus containing polysaccharide.
Question. Living cell contains 60 – 95% water. Water present
in human body is
(a) 60 – 65%
(b) 50 – 55%
(c) 75 – 80%
(d) 65 – 70%.
Question. Secondary metabolites such as nicotine, strychnine and caffeine are produced by plants for their
(a) nutritive value
(b) growth response
(c) defence action
(d) effect on reproduction.
Question. An organic substance bound to an enzyme and essential for its activity is called
Question. The catalytic efficiency of two different enzymes can be compared by the
(a) formation of the product
(b) pH of optimum value
(c) Km value
(d) molecular size of the enzyme.
Question. Which is a typical example of ‘feedback inhibition’?
(a) Cyanide and cytochrome reaction
(b) Sulpha drugs and folic acid synthesizer bacteria
(c) Allosteric inhibition of hexokinase by glucose 6-phosphate
(d) Reaction between succinic dehydrogenase and succinic acid
Question. Enzymes having slightly different molecular structure but performing identical activity are
Question. Role of an enzyme in reactions is to/as
(a) decrease activation energy
(b) increase activation energy
(c) inorganic catalyst
(d) none of the above.
Question. Which of the following glucose transporters is insulin-dependent?
(a) GLUT IV
(b) GLUT I
(c) GLUT II
(d) GLUT III
Question. Uridine, present only in RNA is a
Question. Which one of the following biomolecules is correctly characterized?
(a) Lecithin-a phosphorylated glyceride found in cell membrane.
(b) Palmitic acid – an unsaturated fatty acid with 18 carbon atoms.
(c) Adenylic acid – adenosine with a glucose phosphate molecule.
(d) Alanine amino acid – contains an amino group and an acidic group anywhere in the molecule
Question. Which one is the most abundant protein in the animal world?
Question. Which purine base is found in RNA?
Our teachers have developed really good Multiple Choice Questions covering all important topics in each chapter which are expected to come in upcoming tests and exams, as MCQs are coming in all exams now therefore practice them carefully to get full understanding of topics and get good marks. Download the latest questions with multiple choice answers for Class 11 Biomolecules in pdf or read online for free.
The above NCERT based Biomolecules MCQ Question for Class 11 have been designed by our teachers in such a way that it will help you a lot to gain an understanding of each topic. These CBSE NCERT Class 11 Biomolecules Multiple Choice Questions have been developed and are available free for benefit of Class 11 students.
Advantages of Biomolecules MCQ Question Class 11 Biology with Answers
a) Biomolecules MCQ Question for Class 11 will help the kids to strengthen concepts and improve marks in tests and exams.
b) Multiple Choice Questions for Biomolecules Class 11 have proven to further enhance the understanding and question solving skills.
c) Regular reading topic wise questions with choices will for sure develop very good hold over each chapter which will help in exam preparations.
d) It will be easy to revise all Biomolecules chapters and faster revisions prior to class tests and exams.
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MCQs cover the topics of all chapters given in NCERT Book for Class 11 Biomolecules.
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