Exercise

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Embibe Experts Science Solutions for Exercise

Simple step-by-step solutions to Exercise questions of Our Environment from Science Crash Course (Based on Revised Syllabus-2023). Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from Exercise with Hints & Solutions

EASY
10th CBSE
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 13 - Our Environment>Exercise>Q 2

The food chain in which microorganisms break down the energy rich compound synthesized by the producers is called

MEDIUM
10th CBSE
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 13 - Our Environment>Exercise>Q 27

Explain the role of decomposers in an ecosystem.

EASY
10th CBSE
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 13 - Our Environment>Exercise>Q 30

How does the sun act as a source of energy for all the organisations on earth?

MEDIUM
10th CBSE
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 13 - Our Environment>Exercise>Q 32

Describe the various components of an ecosystem. 

MEDIUM
10th CBSE
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 13 - Our Environment>Exercise>Q 33

What happens to the amount of energy transferred from one step to the next in a food chain?

MEDIUM
10th CBSE
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 13 - Our Environment>Exercise>Q 35

Why do most of the food chains consist of four steps?

EASY
10th CBSE
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 13 - Our Environment>Exercise>Q 36

What do you mean by phytoplankton?

EASY
10th CBSE
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 13 - Our Environment>Exercise>Q 45

In an aquatic ecosystem, the pyramid of number is