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