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