HARD
12th ICSE
IMPORTANT
Earn 100

Explain the working of electrostatic precipitator along with diagram.

Important Questions on Environmental Issues

MEDIUM
12th ICSE
IMPORTANT
Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 8 - Environmental Issues>Exercise>Q 1
The expanded form of DDT is
EASY
12th ICSE
IMPORTANT
Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 8 - Environmental Issues>Exercise>Q 2
Which of the following statements is correct?
EASY
12th ICSE
IMPORTANT
Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 8 - Environmental Issues>Exercise>Q 3
Which of the following health problems occur due to the air pollution?
MEDIUM
12th ICSE
IMPORTANT
Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 8 - Environmental Issues>Exercise>Q 11
Cadmium pollution caused _____(itai-itai/minamata) disease in Japan.
MEDIUM
12th ICSE
IMPORTANT
Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 8 - Environmental Issues>Exercise>Q 12
Maximum emission of carbon monoxide(CO) occurs by burning of fuels such as petrol and _____ from automobiles.
HARD
12th ICSE
IMPORTANT
Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 8 - Environmental Issues>Exercise>Q 58
Define secondary pollutants.
HARD
12th ICSE
IMPORTANT
Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 8 - Environmental Issues>Exercise>Q 59
Is it true that carpets and curtains/drapes placed on the floor or wall surfaces can reduce noise level. Explain briefly.
MEDIUM
12th ICSE
IMPORTANT
Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 8 - Environmental Issues>Exercise>Q 60
It is a common practice to plant trees and shrubs near the boundary walls of buildings. What purpose do they serve?