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