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