A phosphoglyceride is always made up of

1. only a saturated fatty acid esterified to a glycerol molecule to which a phosphate group

is also attached

2. only an unsaturated fatty acid esterified to a glycerol molecule to which a phosphate

group is also attached

3. a saturated or unsaturated fatty acid esterified to a glycerol molecule to which a

phosphate group is also attached

4. a saturated or unsaturated fatty acid esterified to a phosphate group, which is also

attached to a glycerol molecule.

Which one of the following structural formulae of two organic compounds is correctly

identified with its related function?

1. A - triglyceride major - a source of energy

2. A - Lecithin - a component of cell membrane 

3. B - Adenine - forms nucleotides of the nucleic acids

4. Both 2. and 3.

Cholesterol is a precursor for each of the following except

(1) bile salts                 

(2) vitamin D

(3) insulin                     

(4) steroids

Lecithin is:

(1) Phospholipid   

(2) Carbohydrate  

(3) Protein            

(4) Amino acid

Which of the following is true about Lecithin?

1.It is made of 2 fatty acids + glycerol+ Phosphoric acid+ Choline

2.It is made of 2 fatty acids + glycerol + Choline

3.It is made of 3 fatty acids + glycerol+ Phosphoric acid+ Choline

4.It is made of 2 fatty acids + glycerol+ Phosphoric acid+ Serine

Which of the following is true about Cholesterol?

1. It contains four fused hydrocarbon rings

2. Organic molecule

3. Hydroxyl group is present

4. All of these

Which of the following is incorrect about Cholesterol?

1.It stabilizes plasma membrane of animal cell

2.It is produced in Liver mainly

3.It is a type of steroid

4.It has ketone group

Which of the following organic compounds is the main constituent of Lecithin?