---
title: "NCERT Solutions for Class 7 Science Chapter 1 Exercise 1.1"
url: https://www.swavid.com/science/class/7/chapter/the-ever-evolving-world-of-science/ncert-solutions/exercise-1-1
dateModified: 2026-10-07T16:04:28+00:00
---

# NCERT Solutions for Class 7 Science Chapter 1 Exercise 1.1

Chapter 1: The Ever-Evolving World of Science. Every question from Exercise 1.1, with full working and the final answer.

Free PDF (2 pages): https://www.swavid.com/api/seo/pdf/ncert/science/class-7/swavid-ncert-solutions-class-7-science-chapter-1-the-ever-evolving-world-of-science-31e7ced747.pdf

## Activity 1.1: Question the Answer

### Question 1

*Activity*

Because the cat’s teeth were crooked.

**Solution**

1. This activity encourages students to think creatively and form interesting questions for a given answer.
2. Expected observation: Any imaginative and curious question that logically or creatively results in the given statement can be framed.

**Answer:** Example question: Why did the cat smile in such a funny way?

### Question 2

*Activity*

Just add some milk.

**Solution**

1. This activity encourages students to think creatively and form interesting questions for a given answer.
2. Expected observation: Any imaginative and curious question that logically or creatively results in the given statement can be framed.

**Answer:** Example question: What should I do if the tea is too strong and bitter?

### Question 3

*Activity*

Don’t panic, I have my towel.

**Solution**

1. This activity encourages students to think creatively and form interesting questions for a given answer.
2. Expected observation: Any imaginative and curious question that logically or creatively results in the given statement can be framed.

**Answer:** Example question: How do we survive when our spaceship is about to plunge into an unknown galaxy?

### Question 4

*Activity*

42

**Solution**

1. Activity 1.1 encourages students to think like scientists by asking interesting and creative questions for given answers.
2. For the answer '42', a curious and imaginative question could be related to science fiction or quirky situations, such as 'How many times do we need to fold a paper to reach the Moon?' or 'What is the number of tiny spots on this ladybug?'.

**Answer:** Question: How many times do we need to fold a paper to reach the Moon?

## Related pages

- [All Chapter 1 NCERT solutions](https://www.swavid.com/science/class/7/chapter/the-ever-evolving-world-of-science/ncert-solutions)

Solutions written by SwaVid, a personal AI tutor for Class 6 to 10 Maths and Science. Practise this chapter free: https://www.swavid.com/start/student