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