MCQ Bank
Which of the following technique requires the deliberate introduction of selected microbes to bring about the required clean-up?
- A) Bioremediation
- B) Both
- C) Bio enhancement
- D) Bio augmentation
Uptake of metal contaminants from soil by the roots is known as----------.
- A) Rhizofiltration
- B) All of the above
- C) Phytoextraction
- D) Bioaccumulation
The most appropriate soil for bioremediation is -----------.
- A) Both
- B) Sand
- C) Loam soil
- D) Gravel
Which of the following technique concentrates solely on the existing micro-fauna?
- A) Bioremediation
- B) Bio enhancement
- C) Both
- D) Bio augmentation
The method(s) is/are used in phytoextraction to permanently remove metals from the original site are_________.
- A) Both
- B) Composting
- C) None of the above
- D) Incineration
A biotechnological intervention for cleaning up the residual effects of human activities is known as------.
- A) Rhizofiltration
- B) Phytoremediation
- C) Biofiltration
- D) Bioremediation
Which of the following is not an application of siRNA
- A) Cancer prevention, infections and developmental defects
- B) Easier than preparing knockout Used for partial knockdowns
- C) Determining peptide function
- D) Determining tRNA level
________ with RNase motif, is an enzyme of RNase III family
In humans, it is encoded by the DICER1 gene.
- A) polymerase
- B) DNase
- C) helicase
- D) dicerase
The population of mRNAs expressed by a genome at any given time is called
- A) Proteome
- B) Metablome
- C) Genome
- D) Transcriptome
RISC is a large (~500-kDa) RNA multi-protein complex, which triggers ____ degradation in response to ____
- A) DNA-histone
- B) mRNA-siRNA
- C) DNA-RNA
- D) protein-aminoacid
Small interfering RNA interferes with
- A) tRNA binding
- B) gene expression
- C)
- D)
The study of characteristics and regulation of the functional RNA transcript population of a cell/s or organism at a specific time is:
- A) Genomics
- B) Proteomics
- C) Lipidomics
- D) Transcriptomics
The population of _______ expressed by a genome at any given time is transcriptomics
- A) tRNA
- B) mRNA
- C) all of these
- D) rRNA
Dicer cleaves double-stranded RNA (dsRNA) and pre-microRNA into short double-stranded RNA fragments called
- A) • siRNA
- B) • dsRNA
- C) • snRNA
- D) • ssRNA
siRNA’s better target for efficient work is
- A) 3’ UTR
- B) 3’ AGT
- C) 5’ AGT
- D) 5’ UTR
Unwinding of double-stranded siRNA occurs by
- A) ATP dependent polymerase
- B) ATP dependent helicase
- C) ATP independent polymerase
- D) ATP independent helicase
30% of mammalian mRNAs are regulated by ______.
- A) Ribosomal RNA
- B) Nuclear RNA
- C) miRNAs
- D) Transfer RNA
RISC is a _______ kDa, RNA-multiprotein complex
- A) 500
- B) 50
- C) 5 x 10
- D) 5
Helicos
Pacific Biosciences
Oxford nanopore
The are related with what?
- A) 3GS
- B) PCR
- C) Gene cloning
- D) 2d PAGE
Virtual Terminator in Helicos prevents incorporation of multiple __________ per cycle
- A) histone
- B) nucleic acid
- C) peptides
- D) nucleotides