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