Tag: natural vegetation and wildlife of india and world

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Questions Related to natural vegetation and wildlife of india and world

Multiple choice natural vegetation and wildlife of india and world resources of india and world general knowledge

Dense forests are the forests that have a tree canopy of more than ________.

  1. $40\%$

  2. $60\%$

  3. $50\%$

  4. $70\%$
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

According to the Forest Survey of India, dense forests (which include both moderately dense and very dense forests) are defined as lands with a tree canopy density of 40% or more. Open forests have a canopy density between 10% and 40%, while scrublands fall below 10%.

Multiple choice natural vegetation and wildlife of india and world resources of india and world general knowledge

When a person transverse from Mangalore (West) to Chennai (East), which one of the following sequences from (West to East) of forest type does he observe?

  1. Tropical evergreen -Tropical wet deciduous -Tropical semi-evergreen -Tropical dry

  2. Tropical wet deciduous -Tropical evergreen -Tropical semi-evergreen -Tropical dry

  3. Tropical semi-evergreen -Tropical evergreen -Tropical wet deciduous -Tropical dry

  4. Tropical evergreen -Tropical wet deciduous -Tropical dry -Tropical semi-evergreen
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Traveling from Mangalore on the wet west coast to Chennai on the drier east coast, one transitions through different rainfall zones. The vegetation changes from Tropical Evergreen on the coast, to Tropical Wet Deciduous on the slopes, to Tropical Semi-Evergreen, and finally to Tropical Dry forests in the rain-shadow region of the Deccan Plateau and the east coast.

Multiple choice natural vegetation and wildlife of india and world resources of india and world general knowledge

Open stunted forests with bushes and small trees having long roots and sharp thorns or spines are commonly found in _________.

  1. Eastern Odisha

  2. North-Eastern Tamil Nadu

  3. Shiwalik and Terai region

  4. Western Andhra Pradesh
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The description of stunted trees, long roots, and sharp thorns is characteristic of tropical thorn forests and scrub vegetation, which adapt to semi-arid climates with low rainfall. Western Andhra Pradesh (Rayalaseema region) lies in the rain shadow of the Western Ghats and receives very little rainfall, making it a prime location for this type of vegetation.

Multiple choice natural vegetation and wildlife of india and world resources of india and world general knowledge

Which of the following states has the maximum total forest cover in India?

  1. Arunachal Pradesh

  2. Assam

  3. Madhya Pradesh

  4. Karnataka
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

In terms of geographical area, Madhya Pradesh has the largest forest cover in India, followed by Arunachal Pradesh, Chhattisgarh, Odisha, and Maharashtra. If measured by percentage of total geographical area, Mizoram leads, but by absolute area, Madhya Pradesh is the largest.

Multiple choice natural vegetation and wildlife of india and world resources of india and world general knowledge

Man can maintain an ecological balance in the biosphere by ___________.

  1. deforestation.

  2. developing new breeds of cultivated plants and domesticated animals.

  3. using insecticides and pesticides.

  4. understanding the dedicated balance in the relative number of organisms.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Maintaining ecological balance requires understanding the complex relationships and population dynamics among different species in an ecosystem. Interventions like deforestation, excessive pesticide use, or introducing artificial breeds without understanding these relationships often disrupt the natural food webs and ecological stability.

Multiple choice natural vegetation and wildlife of india and world resources of india and world general knowledge

In the grassland, trees do not replace the grasses as a part of an ecological succession because of ____________.

  1. insects and fungi

  2. limited sunlight and paucity nutrients

  3. water limits and fire

  4. none of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Grasslands are characterized by seasonal rainfall and periodic fires. Water scarcity during dry seasons and frequent fires prevent trees from establishing and dominating, keeping the ecosystem dominated by grasses.

Multiple choice natural vegetation and wildlife of india and world resources of india and world general knowledge

Which one of the following is the correct sequence of ecosystems in the order of decreasing productivity?

  1. Oceans, lakes, grasslands, mangroves

  2. Mangroves, oceans, grasslands, lakes

  3. Mangroves, grasslands, lakes, oceans

  4. Oceans, mangroves, lakes, grasslands
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Mangroves have very high primary productivity due to abundant nutrients and sunlight. Grasslands have moderate productivity, followed by lakes, while open oceans have the lowest primary productivity per unit area because of nutrient limitations.

Multiple choice natural vegetation and wildlife of india and world resources of india and world general knowledge

What is the term applied to evolution of vegetation so that it becomes increasingly adapted to its environment?

  1. Organic evolution

  2. Plant succession

  3. Climatic climax

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

Plant succession is the process of change in the species structure of an ecological community over time. Through this process, the vegetation of an area becomes increasingly adapted to its environment, eventually reaching a stable climax community.

Multiple choice natural vegetation and wildlife of india and world resources of india and world general knowledge

Which of the following two criteria has/have to be met in order to qualify as a 'biodiversity hotspot' on the world hotspots map?
1. The region must contain at least 0.5% or 1500 species of vascular plants as endemic species.
2. The region has to have lost at least 70% of its primary vegetation.
Select the correct answer using the codes given below.

  1. Only 1

  2. Only 2

  3. Both 1 and 2

  4. Neither 1 nor 2
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

To qualify as a biodiversity hotspot, a region must meet two strict criteria: it must contain at least 1,500 species of vascular plants (more than 0.5% of the world's total) as endemics, and it must have lost at least 70% of its original primary vegetation.

Multiple choice natural vegetation and wildlife of india and world resources of india and world general knowledge

Which of the following trees are mainly found in Western Ghats and Satpura range of Madhya Pradesh ?

  1. Sandalwood

  2. Pine

  3. Sal

  4. Teak
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Teak (Tectona grandis) is a dominant species in the tropical moist deciduous forests of India. These forests are widely distributed in the Western Ghats and the Satpura range of Madhya Pradesh.