Bio Molecules(II) biology MCQ’s questions answers

ALL PRINTABLE PDF BOOKS FREE DOWNLOAD <<CLICK HERE>>

ALL PRINTABLE PDF BOOKS FREE DOWNLOAD <<CLICK HERE>>

Bio Molecules(II)

Question 16 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Lipids provide insulation against cold and hot weather to exoskeleton of insects in form of
A
cutin
B
waxes
C
cholesterol
D
oil
Question 17 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which one of the following statement about amino acid is incorrect?
A
They are classified on the basis of the 'R' group
B
The structure of almost all amino acids are similar except their 'R' group
C
All protein molecules are a heteropolymer of amino acid
D
They are very important compounds of cytoplasm
Question 18 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
DNA nucleotides are attached with [A.F.M.C.2001]
A
Hydrogen bonds
B
covalent bonds
C
Vander Waal's force
D
Electrovalent bonds
Question 19 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In a DNA molecule, the phosphate group is attached to ..... carbon of the sugar residue of its own nucleotide and ..... carbon of the sugar residue of the next nucleotide by ..... bonds.
A
3', 5', Ester bonds.
B
5'. 3', Phosphodiester bonds.
C
3', 5', Phosphodiester bonds.
D
5', 3', Ester bonds.
Question 20 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A: Conjugated protein are responsible for movements
R: Protein become associated with other than amino acids are known as Conjugated protein
A
Both A and R are true and R is the correct explanation of A
B
Both A and R are true but R is not the correct explanation of A
C
A true R false
D
both A and R are false
There are 20 questions to complete.

DOWNLOAD ALL SUBJECTS PDF <<CLICK HERE>>