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