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