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