![]() |
Biology - MDCAT MCQs || Biology MCQs For MDCAT Preparation |
Biology Chapterwise MCQs:
1- The most common type of acylglycerol is:
a) Monoacyl
b) Diacylglycerol
c) Triacylglycerol
d) None
2- Which one of the following is known as neutral lipid?
a) Monoacyl
b) Diacylglycerol
c) Triacylglycerol
d) None
3- O,H,N,C are present into:
a) Amylopectin
b) Collagen (Protien)
c) Glycogen
d) None
4- How many molecules of water are required to form mono, di, and triacylglycerol respectively?
a) 1,2,3
b) 3,2,1
c) 1,3,2
d) Zero
5- The number of C atoms in the alkyl chain:
a) 2-29
b) 1-29
c) 2-30
d) 1-31
6- The number of double bonds in saturated fatty acids is:
a) 2
b) 1
c) 0
d) 3
7- Which fatty acid is least possible in wax?
a) Acetic acid
b) Palmitic acid
c) Oleic acid
d) None
8- How many molecules of H2O are released during the formation of lecithin:
a) 1
b) 2
c) 3
d) 4
9- A DNA having 14 nucleotides, what will be the number of ester bonds:
a) 22
b) 25
c) 27
d) 30
10- A turn of DNA having 3 adenine, what will be the number of hydrogen bonds?
a) 6
b) 4
c) 27
d) 25
11- A turn of DNA having 6 thiamine, what will be the number of hydrogen bonds?
a) 6
b) 4
c) 24
d) 25
12- Watson and Crick's model of DNA shows the ____ of protein:
a) Primary structure
b) Secondary structure
c) Tertiary structure
d) Quaternary structure
13- The backbone of DNA is made up of:
a) Sugar
b) Nitrogenous base
c) Sugar phosphate
d) All of the above
14- How much energy is released by breaking terminal phosphates?
a) 7.3 x 10^3 cal
b) 14.6 x 10^3 cal
c) 21.9 x 10^3 cal
d) 9.30 x 10^3 cal
15- Which one of the following RNA performs the function in the nucleus?
a) mRNA
b) tRNA
c) rRNA
d) None
16- Which one of the following RNA is produced in the nucleolus?
a) mRNA
b) tRNA
c) rRNA
d) None
17- Which one of the following is the proper sequence in the unit membrane model?
a) Lipid + Protein + Lipid
b) Protien + Lipid + Protien
c) Both
d) None
18- Which one of the following has difficulty in crossing the membrane?
a) Glucose
b) Starch
c) Water
d) Gas
19- The cell wall of fungi is made up of:
a) Chitin
b) Peptidoglycan
c) Murien
d) Both B and C
20- The cell wall of bacteria is made up of:
a) Chitin
b) Peptidoglycan
c) Murien
d) Both B and C
Tags
Biology-MDCAT-MCQs