Assignments Class 11 Biology Biomolecules

Assignments for Class 11

Please refer to Assignments Class 11 Biology Biomolecules Chapter 9 with solved questions and answers. We have provided Class 11 Biology Assignments for all chapters on our website. These problems and solutions for Chapter 9 Biomolecules Class 11 Biology have been prepared as per the latest syllabus and books issued for the current academic year. Learn these solved important questions to get more marks in your class tests and examinations.

Biomolecules Assignments Class 11 Biology

Question. Which N-base is odd in the case of DNA?
(a) Cytosine
(b) Guanine
(c) Uracil
(d) 5-Methyl uracil 

Answer

C

Question. Which of the following is/are good source of different type of secondary metabolites?
(a) Plants
(b) Fungi
(c) Animals
(d) Both (a) and (b) 

Answer

D

Question. The structure given below is the structure of which of the following compounds. 

Biomolecules Class 11 Biology Assignment

(a) Lecithin (Phosphatidyl choline)
(b) Cephaline (Phosphatidyl serine)
(c) Kephaline (Phosphatidyl ethanol amine)
(d) Phosphosphingomyelins. 

Answer

A

Question. A nitrogenous base is linked to the pentose sugar through :
(a) Phosphodiester linkage
(b) N-glycosidic linkage
(c) Ester linkage
(d) Phosphoester linkage 

Answer

B

Question. Which of the following is the structure of a-D-glucose?

Biomolecules Class 11 Biology Assignment
Answer

A

Question. How many H-bonds are present bewteen cytosine and guanine in double stranded DNA formation?
(a) 2
(b) 3
(c) 4
(d) 1 

Answer

B

Question. Which of the following compound is present in acid soluble pool when we analyse chemical composition?
(a) Protein
(b) Lipid
(c) Glucose
(d) Carotenoid 

Answer

C

Question. Variations in amino acids depend on :
(a) Side group
(b) Ester group
(c) Complexity of cell
(d) None of them 

Answer

A

Question. How many total carbons are found in palmitic acid?
(a) 15
(b) 16
(c) 17
(d) 18

Answer

B

Question. Amino acids are basically classified into different groups; mainly bassed on which of the following?
(a) Nature of R group
(b) Number of amino group
(c) Number of caboxylic group
(d) All of the above 

Answer

A

Question. If ?NH2 group and ?COOH group are attached on same carbon in any amino acid, then these types of amino acids are known as :
(a) a-AA
(b) b-AA
(c) g-AA
(d) All 

Answer

A

Question. Which of the following is maximum in human body
(a) Hydrogen
(b) Carbon
(c) Oxygen
(d) Nitrogen

Answer

C

Question. Antibiotics are :
(a) Primary metabolites
(b) Secondary metabolites
(c) The product obtained from virus
(d) None of them 

Answer

B

Question. Which of the following amino acid having H(Hydrogen) as R group?
(a) Glycine
(b) Alanine
(c) Serine
(d) Leucine

Answer

A

Question. All the elements present in a sample of earth’s crust are also present in a sample of living tissue, but which of the following element is higher in any living organism than in earth’s crust?
(a) Hydrogen, Oxygen, Carbon. 
(b) Hydrogen, Oxygen, Carbon and Nitrogen
(c) Hydrogen, Oxygen, Carbon, Nitrogen and Sulphur.
(d) Hydrogen, Oxygen, Carbon, Nitrogen, Sulphur and Sodium 

Answer

C

Question. Which functional group is common in fatty acid & amino acid ?
(a) ?COOH
(b) ?NH2
(c) ?OH
(d) All 

Answer

A

Question. How many carbon atoms are found in arachidonic acid?
(a) 16
(b) 18
(c) 20
(d) 22 

Answer

C