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