1. A volcanic eruption will be violent if there is

(A) High silica and low volatiles
(B) High silica and high volatiles
(C) Low silica and low volatiles
(D) Low silica and high volatiles

2. Low-high tides are called

(A) Spring tide
(B) Neap tide
(C) Perigean tide
(D) Apogean tide

3. Laterite soil contains more of

(A) Iron and Aluminium
(B) Magnesium and Boron
(C) Manganese and Silicate
(D) Potassium and Lead

4. Particles of sizes < 1 μm are most efficiently removed by

(A) Cyclones
(B) Scrubbers
(C) Bag filter
(D) Electrostatic Precipitator

5. The attenuation of sound by reactive type silencers is based on

(A) Absorption of sound waves
(B) Scattering of sound waves
(C) Impedance discontinuity
(D) Interference of sound waves

6. “Farmer’s lung” is a classic example for

(A) Psittacosis
(B) Extrinsic allergic alveolitis
(C) Legionnaire’s disease
(D) Aspergillosis

7. Sr90 can enter and accumulate in the body through

(A) Drinking water
(B) Inhaling contaminated air
(C) Food chain
(D) Skin

8. Which one of the following is a neurotoxic?

(A) Organophosphate
(B) Nitric oxide
(C) 2, 4-D
(D) Cuprous oxide

9. Which combination of radioactive fluxes plays the all important role in climate change?

(A) Visible and infrared
(B) Visible and UV
(C) Visible, UV and infrared
(D) UV, microwaves and infrared

10. Which of the following fuels has highest carbon intensity?

(A) Natural gas
(B) Oil
(C) Bituminous coal
(D) Biomass

More MCQs on Environmental Issues