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