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