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