QUIZ: DNA AND RNA MOLECULES

What is the structure of DNA ?

• A single helix

• A double helix

• No double helix

• A triple helix

Answer explanation

Who discovered the double helix structure of DNA?

• Oswald Avery

• Watson and Crick

• Thomas Kornberg

• Michael Jordan

Answer explanation

What are four nitrogen bases of DNA?

• Adenine, Guanine, Cystosine and Thymine

• Uracil, Cystosine, Adenine and Guanine

• Hydrogen bonds , Uracil , Adenine and Thymine

• Glumatic acid, Asparagine, Serine and Glycine

Answer explanation

What does a nucleotide consist of?

• Nitrogenous base, Protein base and Pentose sugar

• Nucleic acid, Phosphate groups and Pentose sugar

• Nucleic acid , Nitrogeneous base and Pentose sugar

• Nitrogeneous base , Pentose sugar and Phosphate groups

Answer explanation

How many strand of DNA are there?

• One

• Two

• Three

• Four

Answer explanation

RNA can be found in what organelles in the cell?

• Plasma membrane

• Cytoplasm

• Mitochondria

• Nucleus

Answer explanation

What are three types of RNA?

• mRNA

• tRNA

• rRNA

• nRNA

Answer explanation

How many strands of RNA are there

• One

• None

• Two

• Four

Answer explanation

What are the four nitrogen bases of RNA?

i) Adenine

ii) Guanine

iii) Thymine

iv) Cytosine

v) Urasil

• i , ii , iii and iv

• i , iii , iv and v

• ii , iii , iv and v

• i , ii , iv and v

Answer explanation

What are the function of RNA?

• Carries the genetic information of a cell

• Involves in protein synthesis

Answer explanation