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