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