Environment interview questions – page 2

In a food chain, the stable energy utilized by plants is only

1. 1%
2. 0.1%
3. 1.0%
4. 10%

Biosphere reserves are areas to preserve

1. Atmospheric balance
2. Agricultural produce
3. Grassland
4. Genetic diversity

Pistia is a

1. Terrestrial plant
2. Xerophytes
3. Herbivore
4. Hydrophyte

Earthworms are used in

1. Treatment of sewage
2. Culture
3. Vermiculture
4. Waste disposal

The dissolved salts are more in

1. River water
2. Rain water
3. Sea water
4. Well water

Emphysema is a

1. Heart disease
2. Brain tumor
3. Renal disease
4. Respiratory disease

The areas near the poles belong to

1. South temperate zone
2. Tropical zone
3. North temperature zone
4. Arctic zone

Tamil Nadu belongs to

1. Arid zone
2. Dry zone
3. Intermediate zone
4. Wet zone

Micro organisms involved in sewage water disposal are

1. Lactobacillus
2. Algae
3. E.Coli
4. Virus

Wind power and tidal power will reduce

1. Air pollution
2. Water pollution
3. Soil pollution
4. Sound pollution

One horned rhinoceros is found in

1. Himalayas
2. Swampy
3. Rain of Kutch
4. Malabar region

The molecular formula for water is

1. D2O
2. HNO2
3. H2O2
4. H2O

____ is called as wet savannahs.

1. Savannahs
2. Sea shore
3. Hygrophilious
4. Xerophilous

The plant that are growing in dry lands are

1. Xerophytes
2. Halophytes
3. Mesophytes
4. Hydrophytes

____ is an example for biotic component.

1. Air
2. Frog
3. Water
4. Rain

Algal bloom causes

1. Acid rain
2. Air pollution
3. Eutrophication
4. Green house effect

The annual rainfall in evergreen forest is

1. 300 cm
2. Below 100 cm
3. 100-250 cm
4. Above 250 cm

The percentage of available fresh water is

1. 3%
2. 22.74%
3. 32%
4. 97%

Septic tanks are used in

1. Treatment of sewage
2. Treatment of industrial wastes
3. Vermitech
4. Biotech

Alpine vegetation is found in

1. Savannahs
2. Himalayas
3. Kerala
4. Nilgiris

An example for non living biotic component is

1. Grasshopper
2. Frog
3. Paddy
4. Water

Smoke from forest fire is

1. Primary pollutant
2. Androgenic pollutant
3. Organic pollutant
4. Inorganic pollutant

Asiatic Lion is confined to

1. Swampy
2. Manas
3. Sunderbans
4. Gir forest

Biological Magnification is due to

1. Ozone
2. Eutrophication
3. Heavy Metals
4. Industrial Effluents

Increase in concentration of heavy metals along the food chain is called

1. Biological magnification
2. Biological accumulation
3. Chemical magnification
4. Chemical accumulation

Temperate forests occur

1. Above 1800 m altitude
2. Above 4000 m altitude
3. Below 1000 m altitude
4. Below 2000 m altitude

An example for carnivore is

1. Cow
2. Goat
3. Deer
4. Tiger

All the green plants are called

1. Decomposers
2. Tertiary consumers
3. Consumers
4. Producers

The natural places where organisms live is called

1. Environment
2. Biosphere
3. Hydrosphere
4. Habitat

Wild asses are confined to

1. Nilgiri hills
2. Sunderbans
3. Ran of Kutch
4. Gir forest