General Biochemistry
Multiple choice questions covering vitamins, lipids, proteins, genetic code, and biochemical analysis techniques
Questions
The ‘anti-beriberi factor’ is called so because of the fact that the problem of beriberi increases greatly when the concerned diet lacks this factor.
Which of the following vitamins is popularly known as anti-beriberi factor?
- Vitamin B1
- Vitamin B3
- Vitamin B6
- Vitamin B12
- Vitamin C
Column chromatography is the method used in purification of individual chemical compounds from a mixture of compounds where the stationary phase is placed in a vertical glass column.
Which of the following represents the trademark for adsorbent used in the column chromatography of lipids?
- Cetavlon
- Dowex
- Florisil
- Duponol
- Clinistix
Adipose tissue is a type of fat filled tissue mainly associated with protection and cushioning of vital organs of our body.
Which of the following cellular structures is found in adipose tissue?
- Acanthosome
- Aurosome
- Carboxysome
- Catalysome
- Cercidosome
Free fatty acids are unesterified form of fatty acids found in the blood plasma.
The number of milligrams of potassium hydroxide required to neutralize the free fatty acids in 1 g of fat is called ___________.
- iodine number
- acid number
- acetyl number
- coordination number
- hehner number
There are 5 types of immunoglobulin molecules carrying out diverse functions in the immune system.
Which of the following classes of immunoglobulins is the most abundant form of circulating antibody?
- IgM
- IgG
- IgA
- IgD
- IgE
The genetic code specifies the RNA triplets that correspond to each amino acid residue.
Which of the following codons is called amber codon?
- UAG
- UAA
- UGA
- AUG
- AAA
Vitamin B12 is a water-soluble vitamin forming the part of the vitamin B complex.
Which of the following chemical tests help us to measure the rate of absorption of vitamin B12 from our intestine?
- Acrolein test
- Anthrone test
- Carr-Price test
- Schilling test
- Sulkowitch test
Haemoglobin is the oxygen carrier protein found in our red blood cells.
Which of the following chemical reagents is utilized in testing for haemoglobin?
- Nessler's reagent
- Benedict's reagent
- Stokes' reagent
- Nylander's reagent
- Pauly's reagent
There are various chemical tests performed as a part of urine analysis.
Which of the following chemical tests help us to determine the presence of albumin in urine?
- Berthelot test
- Bradshaw test
- Ictotest
- Ketostix test
- Tanret's test
Fatty acid refers to the major constituent of lipid, glycerol being another constituent.
Which of the following fatty acids is a 24 carbon based fatty acid?
- Chaulmoogric acid
- Eleostearic acid
- Stearic acid
- Vaccenic acid
- Nervonic acid
Frame shift mutation refers to the type of gene mutations created by a deletion or insertion in a DNA sequence, which shifts the reading frame sequence.
Which of the following mutagenic agents intercalate in the DNA causing frameshift mutation?
- Nitrous acid
- Benzo[a]pyrene
- Dimethylnitrosamine
- Aflatoxin
- Ultraviolet light
Red muscle is the type of striated muscle required for relatively continuous utility.
Which of the following characteristics is found in red striated muscle?
- Large fiber size
- Fast twitch
- Many mitochondria
- Little myoglobin
- Glycolysis as main source of ATP
Polyethylene glycol (PEG), made of repeating ethylene glycol units renders greater water solubility to proteins.
Which of the following represents the trademark for polyethylene glycol?
- Carborundum
- Carbowax
- Celite
- Cellophane
- Cellosolve