Environmental Engineering

361. The development of a bare area without any life form is called

1. nudation
2. ecesis
3. sere
4. reaction

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362. The effect of interspecific competition on niches is to make them

1. larger
2. smaller
3. more triangular
4. change location

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363. The effects of radioactive pollutants depends upon

1. Rate of diffusion
2. energy releasing capacity
3. rate of deposition of the contaminant
4. all of these

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364. The final stable community in an ecological succession is called the

1. final community
2. ultimate community
3. climax community
4. seral community

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365. The formation of a climax community from an abandoned farm land is a an example of

1. Autogenic succession
2. allogenic successsion
3. primary succession
4. secondary succession

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366. The formula for exponential population growth is

1. dN/dt = rN
2. dt/dN = rN
3. dN/rN = dt
4. rN/dN = dt

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367. The formula of growth rate for population in given time is

1. dt/dN=rN
2. dt/rN=dN
3. dt/rN=dt
4. dN/dt=rN e)dN/rN=dt
5. dN/rN=dt

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368. The gradual physiological adjustment to slowly changing new environmental conditions is known as

1. Selection
2. Introduction
3. Acclimatization
4. Quarantine

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369. The green house gases, otherwise called radioactively active gases includes

1. Carbon dioxide
2. CH4
3. N2O
4. All of these

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370. The intermediate developmental stages in the ecological succession is called

1. sere
2. ecesis
3. climax
4. nudation

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