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