MCQ FOR NUCLEIC ACID
1.What are the repeating units of nucleic acids?
A) Bases
B) Sugar molecules.
C) Nucleotides
D) Phosphate molecules
2. A nucleic acid was analyzed and found to contain 32% adenine, 18%
guanine, 17% cytosine and 33% thymine. The nucleic acid must be:
A) Single-stranded RNA
B) Single-stranded DNA.
C) Double—stranded RNA
D) Double stranded DNA
3.What do nucleic acids transfer from one generation to the next ?
A) Genetic information
B) Amino acids
C) Both a & b
D) None
4. The_________ are the building blocks of living organisms
A) Nucleic acids
B) Cell
C) DNA
D) None
5. Where are the nucleic acids found.?
A) Nucleus of cells.
B) Bacteria
C) Viruses
D) All above
6. Which one of them is nucleic acid ?
A) Deoxyribonucleic acid
B) Ribonucleic acid
C) Artificial nucleic acid analogs
D) All of them
7. Nucleotides and nucleic acids concentration are often also expressed in
terms of
A) ng
B) mg
C) meq
D) OD at 260 nm
8. A nucleoside consists of
A) Nitrogenous base
B) Purine or pyrimidine base + sugar
C) Purine or pyrimidine base + phosphorous
D) Purine + pyrimidine base + sugar + phosphorous
9. Scientists synthesize fragments of DNA and RNA using a process known as
polymerase chain reaction (PCR).
A) True
B) False
10. The four nucleotides are adenine (A), cytosine (C), guanine (G) and
thymine (T).
A) True
B) False
11. The nucleotide genome consists of the sequence of nucleic acid that
encodes genetic information on DNA.
A) True
B) False
12.Where does translation take palce
A) Cytosol
B) Nucleus
C) Smooth endoplasmic reticulum
D) Ribosomes
13. During DNA replication, DNA primase is required as it adds a short DNA
primer for replication
A) TRUE
B) Erythromycin
C) Chloramphenicol
D) FALSE
14. Single Nucleotide Polymorphisms are the most common type of
polymorphism
A) FALSE
B) O6-Ethylcytosine
C) Adenine
D) TRUE
KANU.K.VASAVA