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