Q. What is the primary function of DNA in cells?
-
A.
Energy production
-
B.
Protein synthesis
-
C.
Genetic information storage
-
D.
Cellular respiration
Solution
DNA primarily serves as the genetic blueprint for the development and functioning of living organisms.
Correct Answer:
C
— Genetic information storage
Learn More →
Q. What is the process of copying DNA called?
-
A.
Transcription
-
B.
Translation
-
C.
Replication
-
D.
Mutation
Solution
The process of copying DNA is known as replication.
Correct Answer:
C
— Replication
Learn More →
Q. What is the role of ribosomal RNA (rRNA)?
-
A.
Transcription of DNA
-
B.
Translation of mRNA
-
C.
Replication of DNA
-
D.
Repair of DNA
Solution
Ribosomal RNA (rRNA) plays a crucial role in the translation of mRNA into proteins.
Correct Answer:
B
— Translation of mRNA
Learn More →
Q. What is the structure of DNA commonly described as?
-
A.
Single helix
-
B.
Double helix
-
C.
Triple helix
-
D.
Linear strand
Solution
DNA is commonly described as a double helix, consisting of two strands wound around each other.
Correct Answer:
B
— Double helix
Learn More →
Q. Which of the following is a component of a nucleotide?
-
A.
Amino acid
-
B.
Fatty acid
-
C.
Sugar
-
D.
Protein
Solution
A nucleotide is composed of a sugar, a phosphate group, and a nitrogenous base.
Correct Answer:
C
— Sugar
Learn More →
Q. Which of the following nucleotides is NOT found in RNA?
-
A.
Adenine
-
B.
Cytosine
-
C.
Thymine
-
D.
Uracil
Solution
Thymine is found in DNA, while RNA contains uracil instead.
Correct Answer:
C
— Thymine
Learn More →
Showing 1 to 6 of 6 (1 Pages)
