Exercise

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Embibe Experts Biology Solutions for Exercise

Simple step-by-step solutions to Exercise questions of Environmental Issues from Biology 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

MEDIUM
12th ICSE
IMPORTANT
Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 8 - Environmental Issues>Exercise>Q 13

Fill in the blank with the correct option from the bracket.

The loudness of a sound that a person can withstand without discomfort is about _____ (30 dB, 150 dB, 80 dB, 215 dB).

HARD
12th ICSE
IMPORTANT
Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 8 - Environmental Issues>Exercise>Q 38

Differentiate between Bioremediation and Eutrophication.

HARD
12th ICSE
IMPORTANT
Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 8 - Environmental Issues>Exercise>Q 40

Soil pollution is mainly caused by agrochemicals. Justify.

MEDIUM
12th ICSE
IMPORTANT
Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 8 - Environmental Issues>Exercise>Q 41

What do you understand by agrochemicals. Can you give some examples?

EASY
12th ICSE
IMPORTANT
Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 8 - Environmental Issues>Exercise>Q 42

Explain how radioactive waste is affecting the environment?

MEDIUM
12th ICSE
IMPORTANT
Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 8 - Environmental Issues>Exercise>Q 56

Write an essay on soil pollution.

HARD
12th ICSE
IMPORTANT
Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 8 - Environmental Issues>Exercise>Q 57

Explain the working of electrostatic precipitator along with diagram.

HARD
12th ICSE
IMPORTANT
Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 8 - Environmental Issues>Exercise>Q 58

Define secondary pollutants.