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Process ensuring the survival of species over long periods of time, even though individual members of the species die.
UHS 2018
Biology
Man and His Environment
Elimination Tool:
Total area of the world under cultivation is
Conversion of ammonium into nitrates is:
UHS 2018
Biology
Man and His Environment
Elimination Tool:
Balance in the nutrient cycle can be upset when
Tides are caused by
Flow of energy in an ecosystem is:
NUMS 2014
Biology
Man and His Environment
Elimination Tool:
Water constitutes –% of body weight?
In nitrogen fixation, nitrogen is converted to:
NUMS 2019 Cancelled
Biology
Man and His Environment
Elimination Tool:
Process that supplies food to living things through decaying and decomposition is called
Hot substance is escaped from inside the earth in the form of
The productivity of aquatic ecosystem is determined by:
NUMS 2016
Biology
Man and His Environment
Elimination Tool:
Which statement is true?
In air % of oxygen and carbon dioxide is
Which of the following statements is true about Savannah?
NTS 2015 DUHS and JSMU
Biology
Man and His Environment
Elimination Tool:
Which of the following is not correct for food web?
NUMS 2019 Cancelled
Biology
Man and His Environment
Elimination Tool:
Driving force for all the cycles in ecosystem is
When resources gets scarce, the population growth?
PMC Practice 1
Biology
Man and His Environment
Elimination Tool:
Which one is a non-renewable resource?
Wild life refers to
The actual or preserved remains of the organisms that lived in the ancient past are called:
UHS 2018
Biology
Man and His Environment
Elimination Tool:
Which of the following describes an ecological niche?
NTS 2015 SMBBMC
Biology
Man and His Environment
Elimination Tool:
The animals that feed on organic debris from decomposing plants and animals are called:
NUMS 2018
Biology
Man and His Environment
Elimination Tool:
In a forest, there are a lot of plants; trees, shrubs, and herbs. What will the Palm trees face if they grow in the same forest?
NTS 2019
Biology
Man and His Environment
Elimination Tool:
Endangered species are
In air nitrogen is
Study of environmental relations is called:
NUMS 2018
Biology
Man and His Environment
Elimination Tool:
Wind blows from area of
Grassland of Argentina is:
NUMS 2015
Biology
Man and His Environment
Elimination Tool:
Greenhouse gases are those that:
NUMS 2015
Biology
Man and His Environment
Elimination Tool:
In oceans of tropical regions
The position of an organism in a food chain of an ecosystem called:
NUMS 2018
Biology
Man and His Environment
Elimination Tool:
Which of the following trophic levels has the largest biomass in ecosystems?
NUMS 2018
Biology
Man and His Environment
Elimination Tool:
Hydroelectricity is generated by using ______ of falling water.
Geothermal energy is
Overgrazing results in:
NUMS 2019 Cancelled
Biology
Man and His Environment
Elimination Tool:
An area previously supporting life is made barren, the subsequent recolonization is called ______.
UHS 2018
Biology
Man and His Environment
Elimination Tool:
Study of human population and things that affect them is