- Which one of the following is not believed on the “abiogenic molecular evolution”?
a. Alexander I. Oparin
b. J. B. S. Haldane
c. Carolus Linnaeus
d. All - The S.I. Unit of energy is?
a. Calorie
b. Joule
c. Horsepower
d. Kilowatt - The water has high surface tension than any liquid except____________.
a. Hydrochloric acid
b. Sulphuric acid
c. Mercury
d. Bromine - The maximum tolerance range of blood pH is?
a. 5.8 – 6.4
b. 7.1 – 8.5
c. 4.5 – 7.5
d. 7.0 – 7.8 - Which one of the following has high stored energy?
a. C – O
b. C – C
c. C – H
d. C – C - Which one is incorrect in the case of dextrose?
a. Abundant form of glucose
b. Can only be found in D-Glucose
c. Have many enantiomers
d. All are correct - The name of the glycosidic bond between the two glucose in cellulose?
a. Alpha (1 – 4)
b. Beta (1 – 4)
c. Alpha (1 – 2)
d. Beta (1 – 2) - Which one is not an Aldo-sugar?
a. Mannose
b. Gulose
c. Ribulose
d. All are aldo sugars - Which one of the molecules has alpha 1 – 4 Glycosidic bonds?
a. Cellulose
b. Starch
c. Glycogen
d. Both b & c - Maltose is named on the extraction form?
a. Dates
b. Pears
c. Grapes
d. Germinating barleys - Sucrose intolerance of humans is due to lack of enzyme?
a. Alpha-amylase
b. Sucrase-isomaltase
c. Sucrase dehydrogenase
d. None of the above - The building block of the hemicellulose is?
a. Glucouronic acid
b. Pectic acids
c. Xyloglucans
d. All - Which one of the following is not a polysaccharide?
a. Cutin
b. Submarine
c. Terpenoids
d. All - The R in the amino acid valine is?
a. Ethanoic acid
b. Isopropyl
c. Phenyl
d. Ethanolamine - Which one is a neutral amino acid?
a. Glutamate
b. Glutamine
c. Arginine
d. Valine - How many amine groups are present in the structure of thymine?
a. 1
b. 2
c. sometimes lack any amine group
d. always lack amino group - Co-A is derivatives of
a. Amino acids
b. Acetic acid
c. Nucleic acid
d. Terpene - The overall thickness of the DNA double helix is __.
a. 0.2 nm
b. 3.4 nm
c. 0.34 A0
d. None of the above - Which one of the following has high energy as compared with others?
a. Oleic acid
b. Glucose
c. a Polypeptide contains 9 amino acids
d. Glycerol - A sphingosine contains all except one_______________.
a. Hydrocarbon chain
b. Fatty acid
c. Phosphate
d. Choline - Which one is a saturated fatty acid?
a. Oleic acid
b. Mysteric acid
c. Linolenic acid
d. Palmitoleic acid - Which one end of the phosphatidylcholine is water-soluble?
a. Palmitoyl group
b. Oleoyl group
c. Choline group
d. All are insoluble in water - Which one of the following lacks proteins?
a. Middles ear ossicles
b. Cornea
c. Ligaments
d. None of the above - Which one of the following easily passes through biological membranes?
a. Antibodies
b. Steroids
c. Ionic species
d. All - An amino acid lacks asymmetric carbons is ____________________.
a. Valine
b. Arginine
c. Glycine
d. All
Note: One thing to keep in mind is that if you want to get some benefit, you have to solve the Quiz first, and then you have to look at the key given below.
Answer Keys – 4 Stage – PPSC Biology – Quiz-1- General Biochemistry