Pumpa Practice Questions. Science CBSE, Class 8 New: lessons, tests, tasks.

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1.	Limitations of human eyes Difficulty: easy	1
2.	Visible and Invisible Things Around Us Difficulty: easy	2
3.	Microscope Difficulty: medium	3
4.	Discovering Life in Every Form and Size Difficulty: medium	3
5.	Robert Hookes contributions Difficulty: hard	5
6.	Antonie van Leeuwenhoek's contributions Difficulty: hard	5
7.	Biological Diversity and Structural Organization of organisms Difficulty: hard	5
8.	Who's Alive? Difficulty: easy	1
9.	Structure and Function of Life’s Basic Unit Difficulty: easy	3
10.	Identify the different cell organelles Difficulty: medium	2
11.	Features of plant cells Difficulty: medium	3
12.	Features of animal cells Difficulty: medium	3
13.	Understanding the Purpose of Each Step in Onion Peel Cell Observation Difficulty: hard	5
14.	Understanding the Role of Materials in Cheek Cell Observation Difficulty: hard	5
15.	Differences between plant cells and animal cells Difficulty: hard	5
16.	Cell as a Highly Organised System Difficulty: easy	1
17.	The Biggest Cell Difficulty: easy	2
18.	Specialisation and Diversity of Cells Difficulty: medium	2
19.	The longest cell Difficulty: medium	3
20.	Smallest cell Difficulty: medium	2
21.	Importance of division of labour among cells Difficulty: hard	5
22.	Cellular Specialisation, Variation, and Organisation in Living Systems Difficulty: hard	5
23.	What Are Microorganisms? Difficulty: easy	1
24.	Classification of microbes Difficulty: easy	2
25.	Fungi and characteristics Difficulty: medium	2
26.	Algae Difficulty: medium	3
27.	Protozoans Difficulty: medium	3
28.	The Acellular microbe Difficulty: medium	2
29.	Observation of Microorganisms in Water and Soil Difficulty: hard	5
30.	Single-Cell Simplicity to Multicellular Complexity Difficulty: hard	5
31.	Humans connected to microorganisms? Difficulty: easy	1
32.	Super food Difficulty: easy	1
33.	Microorganisms and Food Spoilage Difficulty: easy	2
34.	Role of Yeast in Dough Fermentation and Baking Difficulty: medium	2
35.	Food Preservation: Preventing microbial growth Difficulty: medium	3
36.	Spirulina Culture and Importance Difficulty: medium	3
37.	Nature’s waste recyclers and environmental cleaners Difficulty: hard	5
38.	Microorganisms in biogas production and sustainable energy Difficulty: hard	5

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