ecology & bio environment geography section 2 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT indian geography mcq - 2 EXERCISES
The following question based on Ecology & Bio geography topic of indian geography mcq
(a) Mixed forests
(b) Equatorial forests
(c) Tropical deciduous forests
(d) Temperate forests
The correct answers to the above question in:
Answer: (c)
The tropical and subtropical dry broadleaf forest biome, also known as tropical dry forest, is located at tropical and subtropical latitudes. Deciduous trees predominate in most of these forests, and during the drought, a leafless period occurs, which varies with species type.
Teak and Sal, along with mango, bamboo, and rosewood, belong to the moist deciduous forests which shed their leaves in the dry season.
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Read more bio ecology environment Based Indian Geography Questions and Answers
Question : 1
Natural sources of air pollution are
a) Smoke from burning dry leaves
b) Volcanic eruptions
c) Dust storm
d) Forest fires
Answer »Answer: (b)
Some of the natural sources of air pollution are ground dust, salt spray from oceans, volcanic eruptions, hydrogen sulfides from natural sources, etc. Large amount of gases and ash from volcanic eruptions blacken the skies and increase the background pollution levels for years.
Question : 2
The fur of the animals living in colder regions
a) makes them appear beautiful
b) traps the air and keeps them warm
c) protects them from enemies
d) protects them from water
Answer »Answer: (b)
The fur of the animals living in colder regions traps the air and keeps them warm.
Question : 3
The Montreal Protocol 1987 refers to
a) saving the ozone layer from destruction by reducting the use of CFCs
b) signing of an accord on the peaceful uses of atmoic energy
c) signing of an accord on keeping the antarctica as a nuclear free zone
d) saving the Bio-diversity of our planet
Answer »Answer: (a)
The Montreal Protocol on Substances that Deplete the Ozone Layer (a protocol to the Vienna Convention for the Protection of the Ozone Layer) is an international treaty designed to protect the ozone layer by phasing out the production of numerous substances believed to be responsible for ozone depletion.
The treaty was opened for signature on September 16, 1987, and entered into force on January 1, 1989, followed by the first meeting in Helsinki, May 1989.
Question : 4
Which of the following exhibits unidirectional flow in an ecosystem?
a) Biomass
b) Energy
c) Water
d) Light
Answer »Answer: (b)
Ecosystems contain essentially two kinds of commodities: matter (nutrients) and energy. Material nutrients cycle through the biotic and abiotic parts of the ecosystem, available for repeated use by the organisms in the ecosystem's community.
However, energy enters an ecosystem by being used to convert low-energy carbon dioxide into high-energy carbohydrate, then passes through one or more of the organisms of the community, and is then lost to the ecosystem.
Eventually, all of the energy that enters the ecosystem is lost in the form of heat.
Question : 5
Biosphere refers to
a) the atmosphere surrounding the living organisms
b) the part of ocean inhabited by plants and animals
c) the portion of the earth, including the oceans, the land, the soil and the atmosphere inhabited by living organisms
d) the area of the land inhabited by living organism
Answer »Answer: (c)
The biosphere is the global ecological system integrating all living beings and their relationships, including their interaction with the elements of the lithosphere, geosphere, hydrosphere, and atmosphere.
The biosphere is made up of the parts of Earth where life exists. It is the worldwide sum of all ecosystems.
Question : 6
Mangrove forests occur in
a) interior plateaus
b) snowy plains
c) coastal swamps
d) high mountains
Answer »Answer: (c)
Mangroves are various kinds of trees up to medium height and shrubs that grow in saline coastal sediment habitats in the tropics and subtropics – mainly between latitudes 25° N and 25° S. There are about 80 different species of mangrove trees.
All of these trees grow in areas with low-oxygen soil, where slow-moving waters allow fine sediments to accumulate.
GET Ecology & Bio geography PRACTICE TEST EXERCISES
ecology & bio environment geography section 1
ecology & bio environment geography section 2
Ecology & Bio geography Shortcuts and Techniques with Examples
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