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