MCQ on Environmental Sciences for various Agriculture Exams✅ Part - 16

1) Aerosols are
i. Small liquid or solid particles that remain suspended in the air
ii. Smoke particles floating in the atmosphere
iii. Small liquid particles suspended in air
iv. Small solid particles suspended in air

2) Atomic absorption spectrophotometer is used to detect and analyse
i. Dissolved organic components
ii. Dissolved gases
iii. Heavy elements
iv. Particle size

3) Source of Byssinosis is
i. Textile industry
ii. Rock mine
iii. Galvanising industry
iv. Mica mines

4) Workers of coal mines suffers from
i. Siderosis
ii. Black lung disease
iii. Byssinosis
iv. Necrosis

5)Secondary pollutant is
i. CH₄
ii. CFCs
iii. PAN
iv. CO

6) The coldest zone of a lake during summer is
i. Epilimnon
ii. Hypolimnon
iii. Thermolimnon
iv. Mesolimnon

7) Ganga flows through how many number of states?
i. 2
ii. 3
iii. 4
iv. 5