Tag: ecology and environment

Questions Related to ecology and environment

Multiple choice zoology environmental issues ecology and environment

PUC certificate is omitted to the vehicles which

  1. Run under low consumption of fuel

  2. Has low emission

  3. Greater acceleration power

  4. None of the above

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

PUC certificate is not omitted for any of the vehicles that run on fossil fuels (petrol, diesel etc) and release some kind of exhaust. 

So, the correct answer is 'None of the above'

Multiple choice zoology environmental issues ecology and environment

Issue of PUC certificate can control

  1. Noise pollution

  2. Water pollution

  3. Sound pollution

  4. Air pollution

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Pollution Under Control (PUC) Certificate is a certificate that is mandatory for every vehicle owner to carry. The certification indicates that the emissions from the vehicle meet the standard pollution norms and do not pollute the environment by determining whether the vehicle contributes to air pollution. Thus, the correct answer is option D.

Multiple choice zoology environmental issues ecology and environment

If the smog density of an area increases, it indicates

  1. Increase in agricultural waste

  2. Increase in noise pollution

  3. Vehicles of area is not under PUC norms

  4. None of the above

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Pollution Under Control (PUC) Certificate is a certificate that is mandatory for every vehicle owner to carry. The certification indicates that the emissions from the vehicle meet the standard pollution norms and do not pollute the environment by determining whether the vehicle contributes to air pollution which can be determined by smog density. Thus the correct answer is option C.

Multiple choice zoology environmental issues ecology and environment

Water (Prevention and Control of Pollution) Act was enacted during

  1. $1952$
  2. $1972$
  3. $1974$
  4. $1969$
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The Water (Prevention and Control of Pollution) Act was enacted in 1974 to provide for the prevention and control of water pollution, and for the maintaining or restoring of wholesomeness of water in the country. The Act was amended in 1988. The Water (Prevention and Control of Pollution) Cess Act was enacted in 1977, to provide for the levy and collection of a cess on water consumed by persons operating and carrying on certain types of industrial activities. This cess is collected with a view to augment the resources of the Central Board and the State Boards for the prevention and control of water pollution constituted under the Water (Prevention and Control of Pollution) Act, 1974.

So the correct answer is '1974'.

Multiple choice zoology environmental issues ecology and environment

Which of the following is not a vehicular norm implemented to various cities of india till date?

  1. Euro III

  2. Bharat Stage II

  3. Euro IV

  4. Euro VI

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

India transitioned directly from Euro IV to Euro VI (Bharat Stage VI) standards, skipping Euro V. Therefore, Euro VI was implemented as a standard, but the question asks which was not implemented as a distinct intermediate norm in the sequence.

Multiple choice zoology ecology and environment solid waste management

The most rapidly increasing and much harmful waste today is

  1. plastics

  2. pesticides

  3. municipal sewage

  4. electronic waste

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

While e-waste is growing rapidly, plastic waste is widely considered the most pervasive and harmful waste due to its persistence in the environment, accumulation in oceans, and impact on wildlife.

Multiple choice population and how it changes human population ecology and environment zoology

All the populations of organisms living together and potentially interacting in an area form a 

  1. Carrying capacity

  2. Biome

  3. Ecosystem

  4. Biological community

  5. Geographical community

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A biological community consists of all the populations of different species that live and interact in a specific area.

Multiple choice population and how it changes human population ecology and environment zoology

Individuals of a species which occur in a particular area constitute

  1. Flora

  2. Fauna

  3. Population

  4. Flora and fauna

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A population is defined as a group of individuals of the same species occupying a specific geographic area at a given time. Flora and fauna refer to all plant and animal life, respectively, in a region, which may include many different species.

Multiple choice population and how it changes human population ecology and environment zoology

The correct sequence, from simplest to most complex is represented by

  1. Population - organism - community - ecosystem - biosphere

  2. Organism - population - community - ecosystem - biosphere

  3. Organism - population - community - biosphere - ecosystem

  4. Population - organism - community - biosphere - ecosystem

  5. Organism - community - population - ecosystem - biosphere

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The biological hierarchy proceeds from the individual organism to a population (group of same species), then to a community (multiple species), then to an ecosystem (biotic and abiotic factors), and finally to the biosphere (the global sum of all ecosystems).

Multiple choice population and how it changes human population ecology and environment zoology

All of the following are population's characteristics except

  1. Number of individuals

  2. Phenotype

  3. Sex ratio

  4. Age distribution

  5. Death rate

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Population characteristics (demographics) include metrics like size, density, sex ratio, age distribution, and birth/death rates. Phenotype is a characteristic of an individual organism, not a property of a population as a whole.