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