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