Multiple Choice Questions (MCQs)
In ________ at either limit, one or more essential functions cease.
It has two phases.
Evolution of 14 species of finches from the original seed eater finches from mainland is the example of ________ speciation.
Conditions in the reproductive ________ of a female may not support the sperm of male.
According to ________ model of evolution "species do not change significantly over millions of years".
Cascade effect leads to increase in ________ species.
Files and ________ have outlandish proboscises.
Different colors of Mullerian Mimicry depend on ________ and visibility.
Adult human body contains ________ of water by weight.
Which of the following proteins are useful for looking at relationships among more closely related animals?
Transparency in interspecific interactions showed by ________.
Which of the following is NOT the external factor of Ecosystem?
In crypsis animals habitually press their bodies to the ________.
________ is the amount of chemical energy as biomass that primary producers create in a given length of time.
Thermosphere Known as ________
Legs have been modified for perching in ________.
Members of the domain archaea, don't have ________ in their cell wall.
Who proposed the law of use and disuse?
Which of the following bacteria fix atmospheric nitrogen in anaerobic conditions?
________ competition occurs between two species to use the same resources.
In homeostasis ________ is a critical factor.
Thermoacidophiles live in the environment with ________ pH.
The rate that new organic matter is made by means of individual growth and reproduction in all the herbivores is ________.
Likely sea level rise during the 21st century is ________.
In which of the following organism logistic growth occurs.
Atmosphere is ________ nitrogen by volume.
________ consists of distinct biological communities.
Who is the father of taxonomy and systematics?
Gregor Mendel proposed the laws of genetics in ________.
Layers of atmosphere increases with ________ in some regions.
Removal of apex predator in environment called ________.
Stratosphere is ________ major layer of Earth's atmosphere.
Cell wall of bacteria consists of ________.
________ transfer heat from one place to another by mass motion of a fluid such as water, air or molten rock.
Proteolysis releases nitrogen and ________.
In transpiration plants absorb ________ from the soil.
If reproductive isolation is due to reproducing at different times, it is ________.
________ enables animals to survive periods of reduced food availability.
Cynaobacteria is the example of ________.
Which of the following is not the characteristic of Eutrophic lake?
Volcanic eruptions release ________ into the atmosphere.
________ pyramids are usually, but not always, upright.
Weismann made the important distinction between ________ cells and ________ cells.
Which microparasites reproduce inside host ________.
They release digestive enzymes by their hyphae
Which of the following order is correct?
Natural environment where a species/organism lives is called ________.
Existence of shared ancestry between a pair of structures, or genes, in different taxa occur in ________.
They can breakdown carbohydrate anaerobically also.
The theory of ________ states that evolution occurs primarily through short bursts of intense speciation, followed by lengthy periods of stasis.
In pyramid of ________ one trophic level has greater biomass than the one below it.
According to Endosymbiotic Theory, ________ evolved from endocytosis of aerobic bacteria.
Each successional stage is called a ________ stage.
They obtain energy by means of inorganic oxidation reactions
In ________ wings have been modified for hovering.
It occurs when uptake from the water is greater than excretion.
Thermoacidophiles live in superheated water with temperature ________.
Which of the following diseases is caused by sewage water?
________ was Father of geology and stratigraphy.
It represent tiny portion of the complexity of real ecosystems.
In Nitrogen cycle Immobilization is the opposite of ________.
In ________ legs have been modified for swimming.
Short protein appendages smaller than flagella is called ________.
Which of the following bacteria have tuft of flagella at one end?
In aquatic ecosystem, ________ reacts with the water to form bicarbonate ions.
In ________ isolation, courtship behaviour patterns of two animals are inappropriate for each other.
________ brings all the toxic chemicals in air back into surface runoff.
A specific functional role and place of an organism called its ________.
Each ________ trophic level has its own secondary productivity.
New genetic material is generated during ________ evolution.
Animals use ________ to make organic molecules.
One of the major disruptions is loss of habitat in ________.
Second atmosphere formed carbonates that were deposited as ________.
The ________ is key element in survival of life.
There are ________ types of herbivory depending upon different feeding habits.
Population size ________ above carrying capacity.
Loss of ________ percent energy occurs from one level to next.
Which of the following has low algal growth?
________ speciation occurs within a single population.
The salt concentration in oceans is roughly ________.
K-selected species are typically ________ competitors in such crowded habitats.
Parapatric speciation occurs in small, local populations, called ________.
Land fill is the example of ________.
In aposematism advertisement of signals includes ________.
In ________ growth a stationary or stable phase is achieved.
Which of the following are also called blue green algae?
The ________ is a energy intensive process.
Which of the following limiting factor cannot regulate population at constant level?
It occurs in large animals.
In Mesosphere lower boundary is ________ to 65 kilometres.
The atmosphere provides protective shield against radiation and ________.
This speciation occurs within a single population.
Which of the following bacteria have a single flagellum at both ends?
In interspecific interactions counter-illumination eliminates ________.
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.
Variability in Net Primary Productivity of Wetlands and tropical rain forests is ________.
There is limited number of feeding or trophic levels in ________.
Approximately ________ tons of sodium chloride is extracted from the Great Salt Lake.
Mercury bioaccumulates in the ________ of top predators of the open ocean.
Orientation towards a factor called ________.
Food chain only follows a direct, ________ pathway of one animal at a time.
Photosynthesizing bacteria that are related to the chloroplasts of eukaryotic plants and algae are called ________.
Bacteria use ________ in conjugation for exchange of genetic material.
________ occurs in small, local populations, called demes which are not completely isolated from each other.
Kingdom Protista consists of ________.
Wings have been modified for soaring in ________.
According to the ________ concept, Evolutionary changes are occuring gradually over millions of years.
Third Atmosphere is the constant rearrangement of ________.
________ are strongly affected by light pollution.
Animals undergo ________ in extended period of drying.
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