BIO201 — Cell Biology — Midterm Past Papers & Solved MCQs

Q1. The general formula of carbohydrates is

• A.C2H2O2
• B.CH2O✓ Correct
• C.C6H12O6
• D.C12H22O11

Q2. The catalytic unit of RNA polymerases when placed properly during initiation is just over

• A.+1 site✓ Correct
• B.-1 site
• C.promoter
• D.terminator

Q3. The larger subunits of ribosome contain —number of rRNA

• A.1
• B.2✓ Correct
• C.3
• D.4

Q4. Which of the following are examples of monosaccharide?

• A.Glucose✓ Correct
• B.Sucrose
• C.Lactose
• D.Starch

Q5. Cutting of plasmid and inserting foreign gene into it is done in—

• A.Biotechnology
• B.Molecular genetics
• C.Genetic engineering✓ Correct
• D.Recombinant DNA technology

Q6. Which of the following are characters of Turner syndrome

• A.Lymphoedema
• B.Webbed neck
• C.Short stature
• D.All mentioned✓ Correct

Q7. Genes are located in the nucleus and tangled chromatin material wrapped around histones in

• A.Nucleus
• B.Cytoplasm
• C.Nucleolus
• D.Chromosomes✓ Correct

Q8. Alkaptonuria is more prevalent in case of cousin marriage and has percentage

• A.25%✓ Correct
• B.50%
• C.75%
• D.100%

Q9. ——site on ribosome where charged tRNA lands with the help of transfer factor

• A.A site✓ Correct
• B.P site
• C.E site
• D.mRNA binding site

Q10. An excision repair mechanism removes abnormal bases formed by ——

• A.Physical damage
• B.Chemical damage
• C.UV light✓ Correct
• D.Replication errors

Q11. Stitching two different DNAs together is.

• A.Genetic engineering✓ Correct
• B.Recombination
• C.Ligation
• D.Transformation

Q12. Delta G (Gibbs free energy) tells us the.

• A.Products quantity at the end of the reaction
• B.Rate of reaction
• C.Equilibrium point of the reaction✓ Correct
• D.Activation energy

Q13. Peptide bond is linkage between — and —— form proteins

• A.Amino group and carboxyl group✓ Correct
• B.Carbon and nitrogen
• C.R group and hydrogen
• D.Oxygen and hydrogen

Q14. Mendel studied how many characters of Pisum sativum

• A.5
• B.7✓ Correct
• C.10
• D.14

Q15. type of transport does not require any input of energy to drive the process

• A.Passive Transport✓ Correct
• B.Active Transport
• C.Facilitated diffusion
• D.Osmosis

Q16. RFLP involves

• A.Used to identify a specific protein
• B.Used to identify a specific RNA
• C.Used to identify a specific DNA✓ Correct
• D.Used to identify a specific lipid

Q17. Select the correct option

• A.Virus✓ Correct
• B.Parasite
• C.Bacteria
• D.Fungus

Q18. Which of the following are characters of tumer syndrome

• A.Lymphoedema
• B.All mentioned✓ Correct
• C.Short stature
• D.Webbed neck

Q19. Protein containing vesicles from endoplasmic reticulum transfer substance to the

• A.ERICOT DE pps
• B.Trans region of golgi apparatus✓ Correct
• C.Membrane of mitochondria
• D.Nuclear envelope

Q20. Delta G (Tangent free energy)tells us the.

• A.Products quantity at the end of the reaction
• B.equilibrium point of the reaction✓ Correct
• C.direction of the reaction
• D.rate of the reaction

Q21. An enzyme that can separate the two DNA strand is—

• A.Helicase✓ Correct
• B.DNA polymerase
• C.DNA polymerase I
• D.Ligase