Multiple Choice Questions (MCQs)
Mercury bioaccumulates in the ________ of top predators of the open ocean.
Loss of ________ percent energy occurs from one level to next.
In aposematism advertisement of signals includes ________.
Atmosphere is ________ nitrogen by volume.
________ is the amount of chemical energy as biomass that primary producers create in a given length of time.
Second atmosphere formed carbonates that were deposited as ________.
Proteolysis releases nitrogen and ________.
They release digestive enzymes by their hyphae
It occurs in large animals.
Members of the domain archaea, don't have ________ in their cell wall.
Land fill is the example of ________.
Wings have been modified for soaring in ________.
Which of the following are also called blue green algae?
Variability in Net Primary Productivity of Wetlands and tropical rain forests is ________.
In Nitrogen cycle Immobilization is the opposite of ________.
Approximately ________ tons of sodium chloride is extracted from the Great Salt Lake.
Legs have been modified for perching in ________.
In ________ at either limit, one or more essential functions cease.
Natural environment where a species/organism lives is called ________.
In ________ growth a stationary or stable phase is achieved.
________ occurs in small, local populations, called demes which are not completely isolated from each other.
The rate that new organic matter is made by means of individual growth and reproduction in all the herbivores is ________.
Which of the following has low algal growth?
One of the major disruptions is loss of habitat in ________.
Each ________ trophic level has its own secondary productivity.
Which of the following diseases is caused by sewage water?
They obtain energy by means of inorganic oxidation reactions
In ________ legs have been modified for swimming.
Cynaobacteria is the example of ________.
Cascade effect leads to increase in ________ species.
A specific functional role and place of an organism called its ________.
________ brings all the toxic chemicals in air back into surface runoff.
Stratosphere is ________ major layer of Earth's atmosphere.
The atmosphere provides protective shield against radiation and ________.
Who proposed the law of use and disuse?
Which of the following bacteria fix atmospheric nitrogen in anaerobic conditions?
Evolution of 14 species of finches from the original seed eater finches from mainland is the example of ________ speciation.
Layers of atmosphere increases with ________ in some regions.
The salt concentration in oceans is roughly ________.
________ enables animals to survive periods of reduced food availability.
The ________ is a energy intensive process.
Parapatric speciation occurs in small, local populations, called ________.
In interspecific interactions counter-illumination eliminates ________.
Bacteria use ________ in conjugation for exchange of genetic material.
In crypsis animals habitually press their bodies to the ________.
In which of the following organism logistic growth occurs.
According to ________ model of evolution "species do not change significantly over millions of years".
K-selected species are typically ________ competitors in such crowded habitats.
Cell wall of bacteria consists of ________.
________ competition occurs between two species to use the same resources.
The theory of ________ states that evolution occurs primarily through short bursts of intense speciation, followed by lengthy periods of stasis.
In aquatic ecosystem, ________ reacts with the water to form bicarbonate ions.
________ is an early freshwater reptile, found as fossils from the Early Permian Period.
Which of the following is NOT the external factor of Ecosystem?
In ________ wings have been modified for hovering.
Number of Pilli in a bacterial cell is ________.
It represent tiny portion of the complexity of real ecosystems.
They can breakdown carbohydrate anaerobically also.
Food chain only follows a direct, ________ pathway of one animal at a time.
If reproductive isolation is due to reproducing at different times, it is ________.
Which of the following order is correct?
In Mesosphere lower boundary is ________ to 65 kilometres.
Which of the following is not the characteristic of Eutrophic lake?
Transparency in interspecific interactions showed by ________.
According to the ________ concept, Evolutionary changes are occuring gradually over millions of years.
________ are strongly affected by light pollution.
Animals use ________ to make organic molecules.
Different colors of Mullerian Mimicry depend on ________ and visibility.
According to Endosymbiotic Theory, ________ evolved from endocytosis of aerobic bacteria.
Short protein appendages smaller than flagella is called ________.
________ pyramids are usually, but not always, upright.
________ consists of distinct biological communities.
Which of the following bacteria have a single flagellum at both ends?
Thermoacidophiles live in the environment with ________ pH.
Third Atmosphere is the constant rearrangement of ________.
Likely sea level rise during the 21st century is ________.
There are ________ types of herbivory depending upon different feeding habits.
In pyramid of ________ one trophic level has greater biomass than the one below it.
Which of the following proteins are useful for looking at relationships among more closely related animals?
________ was Father of geology and stratigraphy.
Kingdom Protista consists of ________.
In homeostasis ________ is a critical factor.
This speciation occurs within a single population.
Population size ________ above carrying capacity.
It has two phases.
Orientation towards a factor called ________.
In ________ isolation, courtship behaviour patterns of two animals are inappropriate for each other.
Each successional stage is called a ________ stage.
Which of the following bacteria have tuft of flagella at one end?
Animals undergo ________ in extended period of drying.
New genetic material is generated during ________ evolution.
Thermosphere Known as ________
Photosynthesizing bacteria that are related to the chloroplasts of eukaryotic plants and algae are called ________.
________ transfer heat from one place to another by mass motion of a fluid such as water, air or molten rock.
It occurs when uptake from the water is greater than excretion.
According to first law of thermodynamics ________ is neither created nor destroyed in the biosphere.
Weismann made the important distinction between ________ cells and ________ cells.
There is limited number of feeding or trophic levels in ________.
The ________ is key element in survival of life.
Gregor Mendel proposed the laws of genetics in ________.
Who is the father of taxonomy and systematics?
Removal of apex predator in environment called ________.
In transpiration plants absorb ________ from the soil.
Volcanic eruptions release ________ into the atmosphere.
Adult human body contains ________ of water by weight.
Which of the following limiting factor cannot regulate population at constant level?
Existence of shared ancestry between a pair of structures, or genes, in different taxa occur in ________.
________ speciation occurs within a single population.
Thermoacidophiles live in superheated water with temperature ________.
Files and ________ have outlandish proboscises.
Which microparasites reproduce inside host ________.
Conditions in the reproductive ________ of a female may not support the sperm of male.
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