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