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) thorny
(b) mangrove
(c) deciduous
(d) evergreen
The correct answers to the above question in:
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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Read more bio ecology environment Based Indian Geography Questions and Answers
Question : 1
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 : 2
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 : 3
Which one of the following is a greenhouse gas?
a) Ozone
b) Nitrogen
c) Carbon-di-Oxide
d) Oxygen
Answer »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.
Question : 4
An ecosystem consists of :
a) carnivorous and herbivorous of an area
b) all the plants and animals of an area.
c) a living community and its environment.
d) producers, consumers and decomposers in a particular area.
Answer »Answer: (c)
An ecosystem consists of communities of many different species living together, and all the the physical aspects of the particular habitat, such as like soil, water, and weather.
Question : 5
The cause of loss of forest cover is
a) Toursim & pilgrimage
b) Building Industry
c) Increasing population
d) Agriculture
Answer »Answer: (c)
Deforestation is a consequence of a quantum jump in population and the consequent over-exploitation of our natural ecosystems for space, energy and materials. Expanding agriculture due to a burgeoning population base is one of the most important causes of deforestation.
As demands on agricultural products rise more and more land is brought under cultivation for which forests are cleared, grass-lands ploughed, uneven grounds levelled, marshes drained and even land underwater is reclaimed.
Question : 6
“Tidal forest” is otherwise called :
a) Coniferous forest
b) Monsoon forest
c) Mangrove forest
d) Evergreen forest
Answer »Answer: (c)
Tidal forest is also called Mangrove forest.
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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