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