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