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