ecology & bio environment geography section 1 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) Ozone
(b) Nitrogen
(c) Carbon-di-Oxide
(d) Oxygen
The correct answers to the above question in:
Answer: (c)
A greenhouse gas (sometimes abbreviated GHG) is a gas in an atmosphere that absorbs and emits radiation within the thermal infrared range. This process is the fundamental cause of the greenhouse effect. The primary greenhouse gases in the Earth's atmosphere are water vapour, carbon dioxide, methane, nitrous oxide, and ozone.
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Read more bio ecology environment Based Indian Geography Questions and Answers
Question : 1
The sphere of living matter together with water, air and soil on the surface of the earth is known as
a) Atmosphere
b) Biosphere
c) Hydrosphere
d) Lithosphere
Answer »Answer: (b)
Part of the Earth’s surface and atmosphere that contains the entire terrestrial ecosystem, and extends from ocean depths to about six kilometers above sea level. Not precisely demarkable, it contains all living organisms and what supports them soil, subsurface water, bodies of water, air and includes hydrosphere and lithosphere.
Question : 2
Which of the following is a renewable resource ?
a) Forests
b) Mineral oil
c) Natural gas
d) Coal
Answer »Answer: (a)
Forest is a renewable resource.
Question : 3
The maximum biodiversity is found in
a) Arctic forest
b) Temperate forests
c) Coniferous forests
d) Tropical rain forests
Answer »Answer: (d)
Most of the terrestrial diversity is found in tropical rainforests. As per an estimation, these forests account for around 40% to 75% of all biotic species and are home to half of all the living animal and plant species on the planet.
A single hectare of rainforest may contain 42,000 different species of insect, up to 807 trees of 313 species and 1,500 species of higher plants.
Question : 4
Snakes and vultures are eating rats in a field. If wild dogs are let into the field, what will be the immediate result ?
a) Increase in the number of snakes.
b) Decrease in the number of vultures
c) Decrease in the number of rats
d) Decrease in the number of snakes
Answer »Answer: (c)
There will be a decrease in the number of rats simply because rat is a prey to all the three of them and this leads to just a single conclusion that there is decrease in the number of rats.
Question : 5
With what bio-region is the term ‘‘Steppe’’ associated ?
a) Coniferous forests
b) Tropical forests
c) Savanna
d) Grasslands
Answer »Answer: (d)
The Steppe is a dry, cold, grassland that is found in all of the continents except Australia and Antarctica. It is mostly found in the USA, Mongolia, Siberia, Tibet and China. is usually found between the desert and the forest.
Question : 6
In _______ forests, trees shed their leaves in a particular season.
a) thorny
b) mangrove
c) deciduous
d) evergreen
Answer »Answer: (c)
Deciduous means “falling off at maturity” “ or “tending to fall off”. It is typically used in order to refer to trees or shrubs that lose their leaves seasonally most commonly during autumn and to the shedding of other plant structures such as petals after flowering or fruit when ripe.
Common examples of deciduous trees include oak, maple, and hickory trees.
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ecology & bio environment geography section 1
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