Tag: basics of ecology

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Questions Related to basics of ecology

Multiple choice zoology meaning of life level of biological organization in animals introduction to tissues basics of ecology

The major sub-divisions of biosphere are

  1. Soil, water and hydrosphere

  2. Soil, atmosphere and lithosphere

  3. Atmosphere, lithosphere and hydrosphere

  4. Atmosphere, lithosphere and air
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The biosphere is defined as the part of Earth, which is habituated. There are different subdivisions of biosphere. These are known as -

1. Hydrosphere 
2. Lithosphere 
3. Atmosphere. 
They interact with each other and do not occur alone. They provide a crucial role in the existence of organisms.

Multiple choice zoology meaning of life level of biological organization in animals introduction to tissues basics of ecology

Natural habitats that were once large and connected have become more fragmented due to human activities. Wildlife corridors between the fragments of habitat are necessary to maintain wildlife habitat and natural areas.
Which of these is a benefit of wildlife corridors?
I.Allows young adult animals to access a new range.
II. Improves genetic fitness as adult animals interact with potential mates in other areas. 

III. Allows plants and animals to colonize new habitat as the climate changes.

  1. I only

  2. II only

  3. III only

  4. I and III only

  5. I, II and Ill
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
Wildlife corridors are the areas that link wildlife habitats but are separated by human activities such as roads.
Hence, wildlife corridors between fragments of habitat will allow young adult animals to access a new range and allows plants and animals to colonize new habitat as the climate changes.
So, the correct answer is 'I and III only'.
Multiple choice zoology meaning of life level of biological organization in animals introduction to tissues basics of ecology

A man-made microecosystem is

  1. Plants grown in a pond

  2. Crop field

  3. Tank formed naturally in your courtyard

  4. Lake in a forest
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Ecosystem is made up of living and nonliving components. It is of two types, natural ecosystem and artificial ecosystem. Natural ecosystem is also called as macroecosystem. Artificial ecosystem is called as microsystem. Microecosystems can exist in locations which are precisely defined by critical environmental factors within small or tiny spaces. A man-made microecosystem is crop field. It is independent of solar energy. 

Thus, the correct answer is 'Crop field.'

Multiple choice zoology meaning of life level of biological organization in animals introduction to tissues basics of ecology

Which of the following communities are more vulnerable to invasion, by outside animals and plants?

  1. Tropical forests

  2. Mangroves

  3. Temperate forests

  4. Oceanic island communities
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Oceanic island communities are more vulnerable to invasion by outside animals and plants than those of main lands. These islands include high volcanic-based islands like Hawaii and low coral islands like Marshalls. These areas are susceptible to invader impacts. This is due to lack of natural competitors and predators which control populations in the ecosystems.  

Thus, the correct answer is 'Oceanic island commuities.'

Multiple choice zoology meaning of life level of biological organization in animals introduction to tissues basics of ecology

Ritualized contests with little risk of serious injury or death to animal within the species lead to

  1. A stable dominance hierarchy

  2. Biological altruism

  3. Adaptive radiation

  4. Instinctive behavior

  5. A broader habitat
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Ritual contests with little risk to injury help individuals to display their stereotyped aggression which in turn prevent other organisms to attack it. Organization of individuals of a grouped according to their dominance refers to as dominance hierarchy. The agonistic behaviour such as ritual contest with little risk leads to maintenance of stable hierarchy. 

Therefore, the correct answer is option A.

Multiple choice zoology meaning of life level of biological organization in animals introduction to tissues basics of ecology

Which is social foresting species?

  1. Leucaena leucocephala

  2. Tectona grandis

  3. Mangifera indica

  4. Rosa indica
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The social foresting species is:

Correct option is A  Leucaena leucocephala.
The common name of the  Leucaena leucocephala is Sebabul. This is the leguminous plant and it is fast growing . This plant is grown for social forestry.

Multiple choice zoology meaning of life level of biological organization in animals introduction to tissues basics of ecology

Sacred groves are found in

  1. Meghalaya

  2. Punjab

  3. Jammu and Kashmir

  4. Bihar
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A sacred grove is any grove of trees that are of special religious importance to a particular culture. These are also called sacred woods. They are examples of in-situ conservation of biodiversity. Such groves are found throughout the world. In our country, such groves are found in Meghalaya.

So, the correct answer is 'Meghalaya'.

Multiple choice zoology meaning of life level of biological organization in animals introduction to tissues basics of ecology

Oran is a

  1. Sacred grove

  2. Sacred landscape

  3. Sacred animal

  4. Endangered animal
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Oran is a major coastal city located in the north-west of Algeria. It is an important city of Algeria due to its commercial, industrial, and cultural importance. It is a sacred landscape. A legend says that in 900 AD, lions still lived in the area. The last two lions were hunted on a mountain near Oran and are elsewhere referred to as "mountain lions".

So, the correct answer is 'Sacred landscape'.