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