BIF101 — Cell Biology — Midterm Past Papers & Solved MCQs

Q1. The first enzyme was discovered by Anaeime Payen in 1833

• A.Kinase
• B.Lipase
• C.Amylase✓ Correct
• D.Protease

Q2. The biological data which includes text, images, numbers and symbols has been stored in

• A.None of these
• B.Hardware
• C.Server
• D.Databases✓ Correct

Q3. The process of finding relative location of genes on a chromosome is called

• A.Chromosome mapping✓ Correct
• B.Gene tracing
• C.Genome walking
• D.Genome mapping

Q4. The process of generating a genetically identical copy of a cell or an organism

• A.Cloning✓ Correct
• B.Fermentation
• C.Central Dogma
• D.Replication

Q5. Needleman-Wunsch calculates

• A.Average alignment
• B.None of the above
• C.Local alignment
• D.Global Alignment✓ Correct

Q6. A step-wise method for solving problems in computer science is called

• A.Sequential design
• B.Procedure
• C.Algorithm✓ Correct
• D.Program

Q7. By comparing sequences of DNA, RNA and Proteins we can get

• A.There might be some specific difference due to some disease or mutation
• B.Similarity among sequences✓ Correct
• C.Both
• D.None

Q8. The DNA base thymine forms two hydrogen bonds with

• A.Guanine
• B.Cytosine
• C.Adenine✓ Correct
• D.Thymine

Q9. ___ is the binding site for the tRNA that is released after the growing polypeptide chain has been transferred to the aminoacyl-tRNA

• A.A site
• B.None of these
• C.P site✓ Correct
• D.E site

Q10. The smallest particle of an element that still retains its distinctive chemical properties is

• A.Atoms✓ Correct
• B.Neutrons
• C.Electron
• D.Protons

Q11. ___ is used to

• A.None of these
• B.Both a and b✓ Correct
• C.Predict secondary and tertiary structures of new protein sequences
• D.Evaluate evolutionary order of species or 'Phylogeny'

Q12. Type of RNA that carries genetic information from DNA to the protein biosynthetic machinery of the ribosome

• A.rRNA
• B.tRNA
• C.mRNA✓ Correct
• D.RNA

Q13. Neural networks are based on

• A.DNA system
• B.Neuron system (human brain)✓ Correct
• C.Computer system
• D.None

Q14. A phosphodiester bond is present in

• A.Nucleic acids in a nucleotide✓ Correct
• B.Fatty acids in a diglyceride
• C.Amino acids in a polypeptide
• D.None

Q15. Central Dogma represents the relationship between

• A.RNA and Protein
• B.DNA and Protein
• C.DNA and RNA✓ Correct
• D.All

Q16. Chromosome theory of inheritance states

• A.Identical genes are inherited
• B.None of these
• C.Genes are located on the chromosomes✓ Correct
• D.All

Q17. Scoring matrices were used to ___ the sequences

• A.To find similarity✓ Correct
• B.Score and rank
• C.Predict evolutionary relationship
• D.All

Q18. The alignment method suitable for finding out conserved patterns in DNA or protein sequence

• A.Pair wise alignment
• B.Global alignment
• C.Multiple sequence alignment
• D.Local alignment✓ Correct

Q19. ___ allows the maintenance, regulation and stability of cells, tissues and organisms

• A.Homeostasis✓ Correct
• B.Transport
• C.Movement of Cells
• D.Organisms

Q20. 'The data related to any entity or object existing at real world level' we define the way the data will be stored in database. This is called

• A.Both b & c
• B.Database
• C.DBMS✓ Correct
• D.Data model

Q21. Computer program that performs various actions continuously, autonomously on behalf of their principal are

• A.Autonomous Web Agents✓ Correct
• B.AI
• C.DBMS
• D.RDBMS