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