Stratification in Terrestrial Ecosystem

Q.

What is stratification in the ecosystem?

Q.

Trees occupy the top vertical strata or layer of a forest, shrubs the second and herbs and grasses occupy the bottom layers. This phenomenon is called:

1. Productivity

2. Energy flow

3. Stratification

4. Nutrient cycling

Q. Stratification is well developed in

1. tropical rain forests
2. grasslands
3. alpine vegetations
4. temperate forests

Q. As we move from the equator to the poles, the species diversity

1. increases
2. decreases
3. insufficient information
4. remains the same

Q. Which of the following statements are correct?

I. Plants have greater species diversity than animals
II. Around 3, 00, 000 plant species are yet to be discovered in India
III. The species diversity shown by algae is more than that of lichens
IV. There are more existing species of birds as compared to that of mammals

1. I and III
2. Only IV
3. III and IV
4. I and II

Q. The conventional taxonomic methods are unable to identify and classify which of the following taxonomic groups?

1. Plants
2. Insects
3. Monerans
4. Fungi

Q.

Which of the following countries has the highest biodiversity? (a)Brazil (b) South Africa (c) Russia (d) India

Q. What is a keystone species?

1. A common species that has plenty of biomass, yet has a fairly low impact on the community's organization
2. A rare species that has minimal impact on the biomass and on other species in the community
3. A dominant species that constitutes a large proportion of the biomass and which affects many other species
4. A species which makes up only a small proportion of the total biomass of a community, yet has a huge impact on the community's organization and survival

Q. Vertical distribution of different species occupying different levels in a biotic community is known as

1. Zonation
2. Divergence
3. Pyramid
4. Stratification

Q. Out of all the recorded species that exist in the world, less than 22% is composed of

1. fungi
2. plants
3. animals
4. both a and b

Q. The phenomenon in which the trees occupy the top vertical strata or layer of a forest, next shrubs and grasses occupy the bottom layers is known as .

1. nutrient cycling
2. stratification
3. energy flow
4. productivity

Q. Which of the following options does the given image represent?

1. Stratification
2. Species richness
3. Species diversity
4. Species evenness

Q.

Trees occupy the top vertical strata or layer of a forest, shrubs the second and herbs and grasses occupy the bottom layers. This phenomenon is called:

1. Productivity

2. Energy flow

3. Stratification

4. Nutrient cycling

Q. Occurrence of vertical layers in a forest is called

1. Pattern
2. Stratification
3. Zonation
4. Ecotone

Q. Tectona grandpa, Shorea robusta and Dalbergia sisso are the dominant tree of

1. Tropical deciduous forest
2. Temperate deciduous forest
3. Tropical rain forest
4. Temperate coniferous forest

Q. Stratification can be observed in

1. Tundra
2. Tropical forest
3. Temperate forest
4. Desert

Q. In an ecosystem undergoing succession, replacement of a plant community takes place due to

1. Pollution
2. Herbivory
3. Parasitism
4. Intraspecific competition
5. Abiotic factors

Q. Stratification is found in

1. Desert
2. Tundra
3. Deciduous forest
4. Tropical forest
5. Both B and C

Q. Presence of plants arranged into well defined vertical layers depending on their height can be seen be in:

1. Tropical Savannah
2. Tropical Rain Forest
3. Grassland
4. Temperate Forest

Q. The phenomenon in which the trees occupy the top vertical strata or layer of a forest, next shrubs and grasses occupy the bottom layers is known as .

1. nutrient cycling
2. stratification
3. energy flow
4. productivity

Q. The phenomenon in which the trees occupy the top vertical strata or layer of a forest, next shrubs and grasses occupy the bottom layers is known as .

1. nutrient cycling
2. stratification
3. energy flow
4. productivity

Q. Which of the following options does the given image represent?

1. Stratification
2. Species richness
3. Species diversity
4. Species evenness

Q. Which of the following options does the given image represent?

1. Stratification
2. Species richness
3. Species diversity
4. Species evenness

Q. The organisms spending most of the time in transitional area between two communities are called

1. Exotic species
2. Edge species
3. Keystone species
4. Critical link species

Q. Stratification can be described as

1. Organizing organisms into recognizable structures or patterns
2. Vertical zonation of a particular landscape
3. Categorizing organisms on the basis of height
4. Categorizing organisms based on ecosystems

Q. Stratifications is more common in _____________.

1. Tropical rain forest
2. Deciduous forest
3. Temperate forest
4. Tropical Savannah

Q. Stratification is more common in

1. Tropical rain forest
2. Deciduous forest
3. Temperate forest
4. Tropical savanna

Q. One can not find the age of a tree by its rings if that tree is located in which of the following forests?

1. Tropical deciduous
2. Tropical evergreen
3. Temperate deciduous
4. Temperate evergreen

Q. The phenomenon in which the trees occupy the top vertical strata or layer of a forest, next shrubs and grasses occupy the bottom layers is known as .

1. nutrient cycling
2. stratification
3. energy flow
4. productivity

Q.

Trees occupy the top vertical strata or layer of a forest, shrubs the second and herbs and grasses occupy the bottom layers. This phenomenon is called:

1. Nutrient cycling

2. Productivity

3. energy flow

4. Stratification