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