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