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