Data Science and Machine Learning MCQ Pdf - 1

Question: 1

Overfitting occurs when

(A) Model has low variance

(B) Data is clean

(C) Model is too simple

(D) Model fits training data too well

Question: 2

Deep learning is subset of

(A) ML

(B) AI

(C) Statistics

(D) SQL

Question: 3

What does ETL stand for?

(A) Extract, Transform, Load

(B) Enter, Transfer, List

(C) Extract, Test, Learn

(D) Edit, Test, Launch

Question: 4

Gradient Descent is used to

(A) Cluster data

(B) Visualize data

(C) Store data

(D) Optimize loss function

Question: 5

Which activation function is used in binary classification?

(A) Softmax

(B) Tanh

(C) Sigmoid

(D) ReLU