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