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