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