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