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Free download in PDF Ecosystem Very Short Questions with Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like NEET, AIIMS, JIPMER etc. These short solved questions or quizzes are provided by Gkseries./p>
Which of the following ecosystem consists of forest, grassland and deserts?
[A]
Artificial ecosystem
[B]
Aquatic ecosystem
[C]
Natural ecosystem
[D]
Terrestrial ecosystem
Answer: Terrestrial ecosystem
(2)
Mark the one, which comes under a lotic ecosystem?
[A]
Ocean
[B]
Lake
[C]
Pond
[D]
River
(3)
Which of the following is inter-tidal zone between land and open sea?
[A]
Benthic zone
[B]
Pelagic zone
[C]
Neritic zone
[D]
Littoral
(4)
Which of the following zone lies at the bottom of the sea?
[A]
Littoral
[B]
Benthic
[C]
Neritic zone
[D]
Pelagic zone
(5)
The collection of individuals which belongs to the same species when live together in a region is known as ____________
[A]
Keystone species
[B]
Community
[C]
Guild
[D]
Population
(6)
The size of the population is represented by the property called density.
(7)
Name the term which defines the study of the characteristics and parameters of the population.
[A]
Demography
[B]
Population ecology
[C]
Population density
[D]
Mortality
(8)
Which of the following term defines the ability of the individual in the population to produce new individuals?
[A]
Dispersion
[B]
Mortality
[C]
Natality
[D]
Population dispersal
(9)
Which of the following survivorship curve is suitable for the organisms who breeds several times during the course of their life span?
[A]
Type IV
[B]
Type III
[C]
Type II
[D]
Type I
(10)
Name those organisms who can breed only once in their lifetime?
[A]
Dispersed
[B]
Clumped
[C]
Iteroparous
[D]
Semelparous
(11)
Which of the following structure can be seen in the diminishing population?
[A]
Upright
[B]
Inverted
[C]
Bell shaped
[D]
Urn-shaped
(12)
A group of people coexist within space and time and interact with each other is known as ____________
[A]
Keystone species
[B]
Community
[C]
Guild
[D]
Population
(13)
Community refers to living and non-living components of the ecosystem.
(14)
Which of the following defines the separation of two different communities?
[A]
Ecotone
[B]
Edge effect
[C]
Ecade
[D]
Resistance
(15)
What is an edge effect?
[A]
Community complexity
[B]
Community classification
[C]
Increased diversity at the boundary of ecotone
[D]
Community stability
Answer: Increased diversity at the boundary of ecotone
(16)
Which of the following is TRUE for the stabilized ecosystem?
[A]
P-R=1
[B]
P/R < 1
[C]
P/R > 1
[D]
P/R =1
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