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