DNA and RNA Structure Questions Online Test 4

1. Peptide linkages are formed in between

• Nucleotides
• Amino acids
• Glucose molecules
• Sucrose

2. The nucleic acid of polio viruses is

• DNA
• RNA – (+) type
• t-RNA
• m-RNA

3. Rabies virus is

• Nake RNA virus
• Naked DNA virus
• Enveloped RNA virus
• Enveloped DNA virus

4. Example for DNA virus:

• Polio virus
• Adeno virus
• Echo virus
• Poty virus

5. In genetic engineering breaks in DNA are formed by enzymes known as

• Restriction enzymes
• Ligases
• Nucleases
• Hydralases

6. DNA transfer from one bacterium to another through phages is termed as

• Transduction
• Induction
• Transfection
• Infection

7. Microorganisms usually make acetyl CO-A by oxidizing

• Acetic acid
• Pyruvic acid
• α-ketoglutaric acid
• Fumaric acid

8. The method of DNA replication proposed by Watson and Crick is

• Semi conservative
• Conservative
• Dispersive
• Rolling loop

9. The distance between each turn in the helical strand of DNA is

• 20 A^o
• 34 A^o
• 28 A^o
• 42 A^o

10. Self-replicating, small circular DNA molecules present in bacterial cell are known

• Plasmids
• Cosmids
• Plasmomeros
• plastides

DNA and RNA Structure MCQs Parts =>

1.. 2.. 3.. 4.. 5..

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