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