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