Quiz about Python and ML Quiz

Question 1

Which of the following is mutable in Python?

Accepted Answer

List

Answer

Tuple

Answer

String

Answer

Integer

Question 2

API stands for:

Accepted Answer

Application Program Interface

Answer

Automated Processing Integration

Answer

Advanced Program Installation

Answer

Algorithmic Processing Interface

Question 3

Which metric is the harmonic mean of precision and recall?

Accepted Answer

F1 Score

Answer

Accuracy

Answer

ROC-AUC

Answer

Log Loss

Question 4

Data that consists of distinct, separate values is called:

Accepted Answer

Discrete

Answer

Continuous

Answer

Random

Answer

Normalized

Question 5

Which of the following is a primary data source?

Accepted Answer

Google forms

Answer

Company website

Answer

Magazine article

Answer

Wikipedia

Question 6

Which search algorithm requires a sorted dataset?

Accepted Answer

Binary Search

Answer

Linear Search

Answer

DFS

Answer

BFS

Question 7

What is the root node in a tree?

Accepted Answer

The first node

Answer

A node with no children

Answer

The last node

Answer

A leaf node

Question 8

Which data type is immutable?

Accepted Answer

Tuple

Answer

List

Answer

Dictionary

Answer

Set

Question 9

What does SDK stand for?

Accepted Answer

Software Development Kit

Answer

System Debugging Kit

Answer

Software Deployment Kernel

Answer

Standard Data Kit

Question 10

Which of these is a supervised learning task?

Accepted Answer

Classification

Answer

Clustering

Answer

PCA

Answer

Dimensionality Reduction

Question 11

Logistic Regression is mainly used for:

Accepted Answer

Classification

Answer

Regression

Answer

Clustering

Answer

Feature Scaling

Question 12

Which of the following is NOT a Python scientific library?

Accepted Answer

MS Excel

Answer

Pandas

Answer

Matplotlib

Answer

Scikit-learn

Question 13

Which ML workflow step involves handling missing values?

Accepted Answer

Data Preprocessing

Answer

Model Selection

Answer

Deployment

Answer

Monitoring

Question 14

What is Recall also called?

Accepted Answer

Sensitivity

Answer

Specificity

Answer

Accuracy

Answer

Precision

Question 15

In confusion matrix, TN represents:

Accepted Answer

True Negatives

Answer

Total Numbers

Answer

Training Nodes

Answer

True Normal

Question 16

Which algorithm is density-based clustering?

Accepted Answer

DBSCAN

Answer

K-means

Answer

Random Forest

Answer

PCA

Question 17

Which regression adds penalties to reduce overfitting?

Accepted Answer

Ridge Regression (L2)

Answer

L1 Regression

Answer

Logistic Regression

Answer

Linear Regression

Question 18

In supervised learning, data is:

Accepted Answer

Labeled

Answer

Unlabeled

Answer

Random

Answer

Semi-labeled

Question 19

Which ML library is developed by Facebook AI Research?

Accepted Answer

PyTorch

Answer

TensorFlow

Answer

Keras

Answer

Scikit-learn

Question 20

Spectrogram is mainly used in:

Accepted Answer

Audio

Answer

Images

Answer

Text

Answer

Video

Question 21

Which library is best for handling categorical features automatically?

Accepted Answer

CatBoost

Answer

LightGBM

Answer

Scikit-learn

Answer

XGBoost

Question 22

Which step comes first in ML lifecycle?

Accepted Answer

Defining the Problem

Answer

Model Training

Answer

Hyperparameter Tuning

Answer

Deployment

Question 23

Which ML algorithm is based on 'lazy learning'?

Accepted Answer

k-NN

Answer

Decision Tree

Answer

Random Forest

Answer

Gradient Boosting

Question 24

In k-means clustering, k represents:

Accepted Answer

Number of clusters

Answer

Number of samples

Answer

Number of features

Answer

Number of labels

Question 25

Which function in Pandas reads CSV files?

Accepted Answer

read_csv()

Answer

read_file()

Answer

load_csv()

Answer

import_csv()

Question 26

Which optimization technique is most common in DL?

Accepted Answer

Gradient Descent

Answer

Divide & Conquer

Answer

Random Walk

Answer

Dynamic Programming

Question 27

Which evaluation metric penalizes confident wrong predictions?

Accepted Answer

Log Loss

Answer

F1 Score

Answer

Accuracy

Answer

Recall

Question 28

Which ML approach uses rewards and penalties?

Accepted Answer

Reinforcement

Answer

Supervised

Answer

Unsupervised

Answer

Semi-supervised

Question 29

Which Python library provides arrays?

Accepted Answer

NumPy

Answer

Scikit-learn

Answer

Pandas

Answer

Matplotlib

Question 30

Which model is best for time-series forecasting?

Accepted Answer

RNN

Answer

CNN

Answer

PCA

Answer

K-means

Question 31

In PCA, what does 'explained variance' measure?

Accepted Answer

Information retained

Answer

Feature importance

Answer

Prediction accuracy

Answer

Number of clusters

Question 32

Which deep learning architecture is used in ChatGPT?

Accepted Answer

Transformer

Answer

CNN

Answer

RNN

Answer

LSTM

Question 33

Which algorithm is used in market basket analysis?

Accepted Answer

Apriori

Answer

PCA

Answer

k-NN

Answer

DBSCAN

Question 34

Which metric measures overlap in object detection?

Accepted Answer

IoU

Answer

BLEU

Answer

AUC

Answer

RMSE

Question 35

Which library provides TensorBoard visualization?

Accepted Answer

TensorFlow

Answer

PyTorch

Answer

Scikit-learn

Answer

Keras

Question 36

What does 'overfitting' mean?

Accepted Answer

Model performs well on training but poorly on new data

Answer

Model performs poorly on training data

Answer

Model ignores features

Answer

Model generalizes perfectly

Question 37

Which clustering method uses tree-like structure?

Accepted Answer

Hierarchical

Answer

K-means

Answer

DBSCAN

Answer

Random Forest

Question 38

Which ML library provides train_test_split?

Accepted Answer

Scikit-learn

Answer

Pandas

Answer

NumPy

Answer

Matplotlib

Question 39

What type of data is 'temperature'?

Accepted Answer

Continuous

Answer

Discrete

Answer

Categorical

Answer

Random

Question 40

Which model evaluation uses ROC-AUC?

Accepted Answer

Classification

Answer

Regression

Answer

Clustering

Answer

Association rules

Question 41

Which library is for deep learning experiments with minimal code?

Accepted Answer

Keras

Answer

Scikit-learn

Answer

NumPy

Answer

CatBoost

Question 42

Which technique reduces high-dimensional features?

Accepted Answer

PCA

Answer

K-means

Answer

Random Forest

Answer

Gradient Boosting

Question 43

What does RMSE measure?

Accepted Answer

Average squared error in original units

Answer

Average absolute difference

Answer

Proportion of correct predictions

Answer

Similarity of clusters

Question 44

Which deep learning model generates fake images?

Accepted Answer

GAN

Answer

CNN

Answer

Autoencoder

Answer

Transformer

Python and ML Quiz

50 questions

Which of the following is mutable in Python?

API stands for:

Which metric is the harmonic mean of precision and recall?

Data that consists of distinct, separate values is called:

Which of the following is a primary data source?

Which search algorithm requires a sorted dataset?

What is the root node in a tree?

Which data type is immutable?

What does SDK stand for?

Which of these is a supervised learning task?

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