Tag: components of environment

Questions Related to components of environment

Tick the correct answer.
Which is not a natural ecosystem?

  1. Desert

  2. Aquarium

  3. Forest

  4. None of the above


Correct Option: B
Explanation:

An ecosystem is a system formed by the interaction of all living organisms with each other and with the physical and chemical factors of the environment in which they live, all linked by transfer of energy and material.

Tick the correct answer.
Which is a threat to environment?

  1. Growing plant

  2. Growing population

  3. Growing crops

  4. None of the above


Correct Option: B
Explanation:

There are many reasons as to why population growth is seen as a threat to the environment. For example, human populations use up natural resources, omit greenhouse gases contributing to climate change, destroy habitats resulting in loss of biodiversity, and increase air and water pollution levels.

The ecologists and the environmentalists are against big dams and multi purpose projects as it _________.

  1. Produces hydroelectricity

  2. Produces more vegetation and soil

  3. affects their natural flow causing excessive sedimentation on the rivers beds resulting in poor habitat for the rivers aquatic life

  4. Easy for the aquatic fauna to migrate


Correct Option: C
Explanation:

  • In recent years Dams and multi purpose projects have come under great opposition and scrutiny  for various reasons:
  • 1. Regulating and damming of rivers affect their natural flow causing excessive sedimentation on the rivers beds resulting in poor habitat for the rivers aquatic life.
  • 2.Dams also fragment rivers making it difficult for the aquatic fauna to migrate especially for spawning.
  • 3.The reservoirs that are built on the flood plains also submerge the existing vegetation and soil leading to its decomposition over time.

Responsible travel to natural areas that conserves the environment and improves the well-being of the local people is ___________.

  1. Vanmahotsav

  2. Monoculture

  3. Eco-tourism

  4. Enrichment plantation


Correct Option: C
Explanation:
  • Eco-tourism is also known as Responsible Tourism. 
  • It is called as Responsible Tourism because it puts responsibility on the shoulders of tourist to conserve the environment.
  • It also make sure tourist and tourism activities does not disturb the local population and their livelihood.

The science that deals with inter-relationship between various organisms and physical environment is called ____________.

  1. Geology

  2. Geomorphology

  3. Ecosystem

  4. Ecology


Correct Option: D
Explanation:
  • Ecology is the branch of science that deals with the study of interactions between living organisms and their physical environment.

One of the measure to conserve eco-system is to ______.

  1. practice monoculture

  2. celebrate vanmahotsava

  3. check rapid growth of population

  4. encourage people for eco tourism


Correct Option: B
Explanation:
  • One of the best measure conserve eco-system is vanamahotsav celebration.
  • Vanamahatsav is a tree planting festival celebrated annually.
  • It is celebrated since 1950.
  • Vanamahotsav week celebrated from July 1 - July 7 Every year

What does the term 'Socialist' mean?

  1. Wealth should be shared only by the rich

  2. Wealth is generated socially and should be shared equally by society

  3. Wealth should be shared only by the poor

  4. Wealth is generated socially and should not be shared by any one


Correct Option: B

Auto ecology deals with ___________.

  1. Ecology of many species

  2. Ecology of system

  3. both a and b

  4. none of the above


Correct Option: A
Explanation:

  • The study of the interactions between living things and their environments is known as ecology.
  •  In ecology, everything is connected to everything else and there is a constant interaction between organisms and their environment.
  • Autecology is the study of individual organism or individual species. It is also known as population ecology.
  • Autecology helps us to understand the relationships between individual plants and environment.

 Upper part of sea/aquatic ecosystem contains _________.

  1. Plankton

  2. Nekton

  3. Plankton and nekton

  4. None of these


Correct Option: A
Explanation:

  • Planktons are passively floating in upper water, nektons are actively swimming while benthos lead sedentary life upon the sea bottom. 
  • Plankton (singular plankter) are a diverse group of organisms that live in the water column of large bodies of water and that cannot swim against a current.
  • They provide a crucial source of food to many large aquatic organisms, such as fish and whales.