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