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