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