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