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