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