MCQ Bank
Linux is a
- A) All
- B) Operating System
- C) Platform
- D) Compiler
_____________ are similar to matrices but can have more than two dimensions. See help(array) for details.
- A) Excel
- B) All of above
- C) Strings
- D) Arrays
The Genetic Algorithm method has been recently adapted for MSA(Multiple Sequence Alignment) by Corpet (1998)
- A) False
- B) True
- C)
- D)
Which command is used to print a file in Linux
- A) none of the mentioned
- B) print
- C) lpr
- D) ptr
Which of the following function is used to view the dataset in spreadsheet like format?
- A) View()
- B) seq()
- C) disp()
- D) All of the Above
Tool for Assembly
- A) All
- B) TopHat
- C) SoapDenovo
- D) Cufflinks
R language will treat factors as _____________ and ordered factors as ordinal variables in statistical proceedures and graphical analyses
- A) nominal variables
- B) bi-nominal variables
- C) Singular matrices
- D) None
f <- function(x) {
g <- function(y) {
y + z
}
z <- 4
x + g(x)
}
If we execute following commands (written below), what will be the output?
z <- 10
f(4)
- A) 12
- B) 16
- C) 7
- D) 4
The above dataset has been loaded for you in R in a variable named “dataframe” with first row representing the column name. Which of the following code will select only the rows for which parameter is Alpha?
- A) subset(dataframe, Parameter==’Alpha’)
- B) subset(dataframe, Parameter=’Alpha’)
- C) Both 2 and 3
- D) filter(dataframe,Parameter==’Alpha’)
Which command is used to display the unix version.
- A) uname -t
- B) uname -n
- C) kernel
- D) uname -r
Suppose B is a categorical variable and we wish to draw a boxplot for every level of the categorical level. Which of the below commands will help us achieve that?
- A) boxplot(A|B,data=data)
- B) boxplot(A,B,data=data)
- C) boxplot(A~B,data=data)
- D) None of the above
In R language
x <- 3
print(x) will result
- A) x+3
- B) x-3
- C) Scalar
- D) 3
TopHat is used for
- A) Genome Mapping
- B) Transcriptome Mapping
- C) All
- D) Assembly
A ------------ is a conclusion that there is a nucleotide. difference vs. some reference at a given position in an. individual genome or transcriptome,
- A) None
- B) SNP call
- C) variant call
- D) nucleotide deletion
GNU ------- is a computer program that retrieves content from web servers
- A) Read
- B) Wget
- C) Retw
- D) Getw
The first step in Genetic Algorithm is arranging the sequences to be aligned in rows
- A) False
- B) True
- C)
- D)
What is a degenerate primer?
- A) A single primer with a fixed nucleotide sequence
- B) A mixture of primers with identical sequences
- C) A mixture of primers with similar sequences that vary at one or more positions
- D) A primer used only for RNA amplification
What is the main use of inverse PCR?
- A) To identify flanking sequences around genomic inserts
- B) To quantify gene expression
- C) To amplify RNA sequences
- D) To sequence entire genomes
What is one use of competitor RT-PCR?
- A) To sequence proteins
- B) To detect mutations in DNA
- C) To amplify genomic DNA only
- D) To determine the amount of mRNA in a sample
Restriction Fragment Length Polymorphism (RFLP) is a technique that:
- A) Amplifies random DNA sequences
- B) D. Separates proteins by size Separates proteins by size
- C) Exploits variations in homologous DNA sequences using restriction enzymes
- D) Converts RNA into DNA