9th Class Biology Chapter 6 Test06. Molecular Biology

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

1. Unwinding of DNA strands happens during:
   1. Protein synthesis
   2. Translation
   3. Replication
   4. Transcription
2. Pick the odd one.
   1. Glucose
   2. Sucrose
   3. Maltose
   4. Lactose
3. An example of dietary fiber is:
   1. Cellulose
   2. Whole grain
   3. Starch
   4. Vegetables
4. The number of minor bio-elements are.
   1. 16
   2. 92
   3. 10
   4. 06
5. It is not a part of DNA.
   1. Adenine
   2. Uracil
   3. Cytosine
   4. Guanine
6. Which is not a part of the general structure of an amino acid?
   1. Carboxyl group
   2. Amino group
   3. Oxygen atom
   4. Hydrogen atom
7. Each amino acid has a central carbon called as:
   1. Beta carbon
   2. Alpha carbon
   3. Theta carbon
   4. Central carbon
8. What are bio-elements? Write their types.
9. The word "Saccharon" means:
   1. Sweet
   2. Saccharides
   3. Sugar
   4. Carbohydrates
10. The function of tRNA is to.
    1. Carry message from DNA
    2. Synthesize proteins
    3. Makes rRNA
    4. Transfers amino acids to ribosomes