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