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