EASY
Earn 100

Write a short note on the chemical properties of ester.

Important Questions on Biological Molecules

EASY
Biology>Biochemistry P1>Biological Molecules>Lipids
Lecithin is a
EASY
Biology>Biochemistry P1>Biological Molecules>Lipids
Which one of the following is NOT an unsaturated fatty acid?
EASY
Biology>Biochemistry P1>Biological Molecules>Lipids
Which of the property/properties of essential fatty acids listed below are correct?
MEDIUM
Biology>Biochemistry P1>Biological Molecules>Lipids
Identify the molecule (a) and (b) shown below and select the right option giving their name and occurrence.

Question Image
MEDIUM
Biology>Biochemistry P1>Biological Molecules>Lipids
Waxes are produced by which of the following?
HARD
Biology>Biochemistry P1>Biological Molecules>Lipids
Read the following analogies and state the one which is wrong.
EASY
Biology>Biochemistry P1>Biological Molecules>Lipids
Suberin is
EASY
Biology>Biochemistry P1>Biological Molecules>Lipids
Essential fatty acids are present in large amount in
MEDIUM
Biology>Biochemistry P1>Biological Molecules>Lipids
Which of the following statement is incorrect?
EASY
Biology>Biochemistry P1>Biological Molecules>Lipids
Plant waxes are secreted by ------------- layer.
EASY
Biology>Biochemistry P1>Biological Molecules>Lipids
Given below is the chemical formula of

   Question Image
MEDIUM
Biology>Biochemistry P1>Biological Molecules>Lipids
How is Vanaspati Ghee made?
EASY
Biology>Biochemistry P1>Biological Molecules>Lipids
Essential fatty acids are
MEDIUM
Biology>Biochemistry P1>Biological Molecules>Lipids
The general formula for saturated fatty acid is:
MEDIUM
Biology>Biochemistry P1>Biological Molecules>Lipids
Esters of long chain fatty acid with long-chain monohydric alcohols are called-
MEDIUM
Biology>Biochemistry P1>Biological Molecules>Lipids

Represent the union of two sets by Venn diagram for each of the following.

X={x | x is a prime number between 80 and 100}

Y={y | y is an odd number between 90 and 100}

MEDIUM
Biology>Biochemistry P1>Biological Molecules>Lipids

The major product in the following reaction is:

Question Image

HARD
Biology>Biochemistry P1>Biological Molecules>Lipids
An ester (I) with molecular formula C9H10O2 was treated with excess of CH3MgBr and the compound so formed was treated with H2SO4 to give an olefin (II). Ozonolysis of (II) gave a ketone with molecular formula C8H8O which show positive iodoform test. The structure of (I) is:
EASY
Biology>Biochemistry P1>Biological Molecules>Lipids
Cotyledons are also called-
EASY
Biology>Biochemistry P1>Biological Molecules>Lipids
Waxes are simple lipids formed by the combination of long chain fatty acid with long chain monohydric alcohol. Bees wax is made up of: