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