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