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