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