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