Biomolecules Te...

Match the following.
SET A                                        SET B
Name of hormone            Functional group in hormones
1) Testosterone                      a) double bond
2) Estradiol                             b) Ketone
3) Progesterone                     c) Alcohols
4) Ethylene                            d) Alcohol and ketone

___________ are the chemical messengers that are used by multicellular organisms for control and coordination.

A disaccharide, on hydrolysis, gives:

Which of the following statement(s) is/are correct?
I. Natural starch contains 10-20 % amylopectin and 90-80 % amylose.
II. Amylose is insoluble in water.
III. Amylopectin is soluble in water.
IV. Starch is white amorphous powder found in roots and seeds of plants.

Which of the following $\alpha$-amino acids does not contain a chiral carbon?

Consider the given statements.
I. Dextrin and glycogen are polysaccharides
II. Lactose and glucose are disaccharides
III.Sucrose and maltose are disaccharides
IV. Raffinose is oligosaccharide
The incorrect statements is/are:

Consider the given statements about polysaccharides.
I. These are amorphous solids
II. These are insoluble in water
III. These are sugars
The incorrect statements is/are:

Which of the following is a naphthaquinone derivative?

Which of the following is incorrect about polysaccharides?
I. These are amorphous solids.
II. These are sparingly soluble in water.
III. These are sugars.

Which of the following statement(s) is/are correct?
I. Starch is almost insoluble in cold water but relatively more soluble in boiling water.
II. Starch solution gives blue colour with $I_2$ solution in cold.
III. Starch is a reducing sugar.
IV. Starch forms osazone.