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