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