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