Students of class 11 Biology should refer to MCQ Questions Class 11 Biology Biomolecules with answers provided here which is an important chapter in Class 11 Biology NCERT textbook. These MCQ for Class 11 Biology with Answers have been prepared based on the latest CBSE and NCERT syllabus and examination guidelines for Class 11 Biology. The following MCQs can help you to practice and get better marks in the upcoming class 11 Biology examination

Chapter 9 Biomolecules MCQ with Answers Class 11 Biology

MCQ Questions Class 11 Biology Biomolecules provided below have been prepared by expert teachers of grade 11. These objective questions with solutions are expected to come in the upcoming Standard 11 examinations. Learn the below provided MCQ questions to get better marks in examinations.

                  COOH
                     l
Question. H-C?NH₂ This amino acid is :
                     l
                  CH₃
(a) Serine
(b) Alanine
(c) Glycine
(d) Arginine 

Question. Which of the following is homopolysaccharide?
(a) Cellulose
(b) Starch
(c) Glycogen
(d) All 

Question. Lipid may be :
(a) Monoglyceride
(b) Diglyceride
(c) Triglyceride
(d) All the above 

Question. 

The given structure represents the structure of tri-aster derivative while R₁, R₂ and R₃ is/are :
(a) Fatty acid, Amino acid & Adenylic acid respectively.
(b) Amino acid, Fatty acid and Phosphoric acid respectively.
(c) Fatty acids only.
(d) Amino acid, Glucose & Lactic acid respectively. 

Question. Which of the following statements is correct ?
(a) 3′ end of polynucleotide chain will be present where ?OH group of 3′ carbon of pentose sugar will be free.
(b) Both the strands of DNA are antiparallel due to opposite directing phosphodiester bond.
(c) DNA is more stable than RNA
(d) All 

Question. Which of the following amino acid is/are basic in nature?
(a) Lysine
(b) Arginine
(c) Histidine
(d) All of the above 

Question. Which of the following is not the feature of double helix structure of DNA ?
(a) It is made of two polynucleotide chains
(b) The two chains have anti-parallel polarity
(c) The bases in two strands are paired through N-glycosidic bond.
(d) The two chains are coiled in a right handed fashion. 

                         _{A         B}
Question. DNA → RNA → Protein, Name the process ‘B’
(a) Replication
(b) Trancription
(c) Translation
(d) Taminism 

Question. Which of the following is a nucleoside of DNA ?
(a) Adenosine
(b) Guanine
(c) Deoxyguanosine
(d) Deoxyguanylic acid 

Question. Proteins can act as :
(a) transporter of nutrients across cell membrane
(b) Hormones
(c) Enzymes
(d) All 

Question. There is a wide diversity in living organism in our biosphere and all living organism made of the same chemical. This statement can be justified by all of the following statement except :
(a) Plant tissue, animal tissue and a microbial paste having same elements
(b) Organisms having similar mode of genetic transfer mechanism.
(c) Mechanism of energy transfer process are almost similar in all organism
(d) Mechanism of energy production is similar in all organism. 

Question. Which of the following represents the structure of Ribose ? 

Question. Match the following with their suitable groups.

(a) a-iv, b-iii, c-v, d-i
(b) a-v, b-iii, c-ii, d-i
(c) a-iii, b-iv, c-i, d-ii
(d) a-iv, b-i, c-v, d-iii 

Question. Which of the following statements is not correct with reference to amino acid?
(a) NH₂ group of amino acids having ionizable nature.
(b) COOH group of amino acids having ionizable nature.
(c) The structure of amino acids changes in solutions of different pHs
(d) Amino acids found in protein belong to D-forms mostly 

Question. Which of the following statements is correct with reference to amino acids?
(a) These are substituted methane
(b) They contains a-carbon hance called a-amino acids
(c) Variable group of amino acid is designated as R-group
(d) All of the above 

Question. Which of the following AA is basic ?
(a) Valine
(b) Lysine
(c) Glutamic acid
(d) Glycine