Explore topic-wise MCQs in Bioinformatics.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Bioinformatics knowledge and support exam preparation. Choose a topic below to get started.

1.

TIGR TM4 is a suite of multiplatform programs for analyzing microarray data.

A. True
B. False
Answer» B. False
Discussion
2.

Which of the following is incorrect about Self-Organizing Maps?

A. Clustering by SOMs is in principle similar to the k-means method
B. It doesn t involve neural networks
C. The data points are initially assigned to the nodes at random
D. It starts by defining a number of nodes
Answer» C. The data points are initially assigned to the nodes at random
Discussion
3.

Which of the following is incorrect about k-Means Clustering?

A. k-means clustering produces a dendrogram
B. It classifies data through a single step partition
C. It is a divisive approach
D. In this method, data are partitioned into k-clusters, which are prespecified at the outset
Answer» B. It classifies data through a single step partition
Discussion
4.

A supervised analysis refers to classification of data into a set of predefined categories. For example, depending on the purpose of the experiment, the data can be classified into predefined diseased or normal categories.

A. True
B. False
Answer» B. False
Discussion
5.

In the analysis of microarray data If replicated datasets are available, rigorous statistical tests such as t-test and analysis of variance (ANOVA) can be performed to test the null hypothesis that a given data point is not significantly different from the mean of the data distribution.

A. True
B. False
Answer» B. False
Discussion