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