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