II B.Sc Zoology - Biochemistry, Biophysics & Biostatist- II Quiz

In polysaccharides, monosaccharides are joined by ____________ bonds.

• Peptide

• Glucose

• Glycosidic

• Covalent

Match the following and choose the correct answer

A. Lipids                                  - 1. Waxes

B. Simple lipids     - 2. Lecithin

C. Compound lipids          - 3. Cholesterol

D. Derived lipids  - 4. Alcohol & fatty acids

• 3          4          1          2

• 2          3          4          1

• 4          1          2          3

• 2          4          1          3

Sucrose is a _________________.

• Monosaccharide               

• Disaccharide         

•   Polysaccharide       

• Triose

Waxes are esters of amino acids.    

• True

• False

Lecithin is a compound lipid.   

• True

• False

Carbohydrates are polyhydroxy ______________.

           

• Aldehydes & Phenols                    

• Aldehydes & Ketones    

           

• Ketones & Phenols                

• Phenols & Alcohols

Match the following and choose the correct option

A. Carbohydrates        - 1. Sucrose

B. Monosaccharides  - 2. Hydrates of carbon

C. Disaccharides         - 3. Glycogen

D. Polysaccharides      - 4. Glucose

• 4          1          2          3

• 2          3          4         1

   

• 4          1          2          3

• 2          4          1          3

Assertion (A):Glycogen is an important energy reservoir.

Reason (R):When energy is required glycogen is broken down to glucose.

  

• A is wrong and R is correct

    

• Both A and R are wrong

   

•   A is correct and R is wrong

                

• Both A and R are correct

Assertion (A):Emulsification is an essential requisite for digestion of fats.

Reason (R):It is brought out by the action of bile salts.

  

• A is wrong and R is correct

    

• Both A and R are wrong

    

• A is correct and R is wrong

• Both A and R are correct

Assertion (A): Monosaccharides are optically active.

Reason (R): They rotate the plane polarized light.

  

• A is wrong and R is correct

    

• Both A and R are wrong

    

• A is correct and R is wrong

• Both A and R are correct