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