12 Biology- 13 Organisms and Populations: Online Test
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Ecotone is *
2 points
Ecological niche is *
2 points
Salt concentration (Salinity) of the sea, measured in parts per thousand is *
2 points
If a population of 50 Paramoecium present in pool increases to 150 after an hour, what would be the growth rate of population? *
2 points
Amensalism is an association between two species where *
2 points
Cuscuta is an example of *
2 points
Which of the following is one of the characteristics of a biological community? *
2 points
A high density of elephant population in an area can result in *
2 points
Praying mantis is a good example of *
2 points
Which is not true for a species? *
2 points
Animals have the innate ability to escape from predation. Examples for the same are given below. Select the incorrect example. *
2 points
A terrestrial animal must be able to *
2 points
In which one of the following habitats does the diurnal  temperature of soil surface vary the most? *
2 points
Maximum growth rate occurs in *
2 points
Cold-blooded animals fall under the category of *
2 points
The least porous soil among the following, is *
2 points
The interaction of species with the environment , is called *
2 points
The inherent maximum capacity of an organism to reproduce and increase in number, is called *
2 points
Species living in a restricted geographical area is *
2 points
Animals from colder regions generally have smaller limbs. This is called *
2 points
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