Environmental Engineering

341. Organisms having the potential for interbreeding and producing fertile offspring is called

1. Class
2. Order
3. Genus
4. Species

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342. Ozonosphere seen in

1. ionosphere
2. thermosphere
3. mesophere
4. stratosphere

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343. Particulate pollutants are

1. are small solid particles and liquid droplets
2. liquid droplets in atmosphere
3. are small solid particles released into the atmosphere
4. all of these

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344. Pencillium does not swallow the growth of bacterium Staphylococcus. This sort of relationship is called

1. commensalism
2. predation
3. amensalism
4. mutualism

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345. Percentage of forest area recommended by the the national forest policy for plains is

1. 0.33
2. 0.67
3. 0.3
4. 0.1

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346. Pollutants that are introduced into the environment by human activity are called as

1. qualitative pollutants
2. quantitative pollutants
3. anthropogenic pollutants
4. all of these

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347. Radiation can cause

1. cardiac disease
2. Haemophilia
3. leukemia
4. bone marrow diseases

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348. Red data book contains data of

1. all plant species
2. all animal species
3. economically important species
4. threatened species

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349. Red Data Book Provides data on

1. Red flowered plants
2. Red colored fishes
3. Lists of plants and animals
4. Endangered plants and animals

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350. Respiratory roots are known as

1. velamen
2. pneumatophores
3. hydathodes
4. prop roots

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