List of top Questions asked in CBSE Class X

Consider the following statements about ozone :
(a) Ozone is poisonous gas.
(b)Ozone shields the earth's surface from the infrared radiation from the sun.
(c) Ozone is a product of UV radiations acting on oxygen molecule.
(d) At the lower level of the earth's atmosphere, ozone performs most essential function.
The correct statements are

A food chain will be more advantageous in terms of energy if it has

Part(s) of a flower which attracts insects for pollination is (are)

Select from the following a plant hormone which promotes cell division.

Which one of the following hydrocarbons is different from the others?

The structural formula of Cyclohexane is

Consider the following graphs (Figure 1 and Figure 2) that demonstrate the two types of Supervised Learning Models of Artificial Intelligence. Identify and explain each model giving suitable examples of each.

What are Neural networks? Briefly explain all the layers of a neural network.

Differentiate between grayscale and RGB images.

What role does data play in AI-based applications? Name any two sources of online data collection for building any AI-based application.

For a healthcare organisation’s objective of predicting disease outbreaks and efficiently allocating resources through the analysis of medical records, would you recommend using supervised learning or unsupervised learning as the preferred machine learning approach? Explain your choice briefly.

What do you mean by Evaluation of an AI model? Also explain the concept of overfitting with respect to AI model Evaluation.

What are the primary differences between Script-bots and Smart-bots?

Differentiate between Machine Learning (ML) and Deep Learning (DL).

Mention any two measures that individuals or organisations can take to protect their data from theft and viruses.

What is the importance of time management in effectively dealing with stress?Provide any one strategy for improving time management skills to reduce stress.

List any two common misconceptions about entrepreneurship.

Give any two examples of how individual choices and behaviours can contribute in achieving sustainable development.

Which domain of AI is used for interacting with virtual assistants such as Siri and Alexa?

The 4 W’s Problem Canvas helps in identifying the key elements related to the given problem. Which of the following is NOT one of the blocks of the Problem Canvas?

The concept of __ is used to apply face filters on various social media platforms.

Statement 1: To evaluate a model's performance, we need either precision or recall.
Statement 2: When the value of both Precision and Recall is 1, the F1 score is 0.

When a machine possesses the ability to mimic human traits, i.e., make decisions, predict the future, learn, and improve on its own, it is said to have:

Assertion (A): The term used to refer to the number of pixels in an image is resolution.
Reason (R): Resolution in an image denotes the total number of pixels it contains, usually represented as height x width.

What is the primary need for evaluating an AI model’s performance in the AI Model Development process?