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