Organisms and Populations · Biology · MHT CET (Biology)
MCQ (Single Correct Answer)
Select the correct sequential level with decreasing complexity of ecological organisation.
Which one of the following does not show suspend type of adaptation?
Number of deaths with no competition and abundance of resources such as food and water is ________.
Given below are two statements.
Statement I - Osmoconformers are animals, that are iso-osmotic to the surroundings.
Statement II - Marine organisms mostly are osmoconformers because their body fluids and external environment are iso-osmotic in nature. In the light of above statements, select the correct option given below:
Which of the following depicts Logistic growth curve of population?
In the above logistic growth curve of population, identify ' $A$ ', ' $B$ ' and ' $C$ '.
Interaction between flamingos visiting Mumbai west coast and resident fishes is of _________ type.
Which one of the following is INCORRECT regarding 'resource partitioning'?
| Column (I) (Parasite) |
\begin{aligned} & \text { Column (II) } \\ & \text { (Host) } \end{aligned} |
||
|---|---|---|---|
| i. | Ticks | a. | Marine fish |
| ii. | Copepods | b. | Dog |
| iii. | Cuscuta | c. | Indian crow |
| iv. | Asian Koel | d. | Hedge plants |
Match types of niche in Column I with its explanation in Column II.
| Column I (Type of niche) |
Column II (Explanation) |
||
|---|---|---|---|
| i. | Habitat | a. | absence of all competitors |
| ii. | Hypervolume | b. | physical space occupied by the organism |
| iii. | Fundamental | c. | presence of competition for resources |
| iv. | Realized | d. | considers biotic and abiotic environmental factors |
Which of the following pair of organisms are euryhaline in nature?
Which of the following in INCORRECT about conformers?
Gene pool is __________ .
Which one of the following is INCORRECT with respect to Verhulst - Pearl Logisitc Growth.
Given below are two statements regarding, competitive interaction.
Statement I - Competition is the type of interaction where totally unrelated species may compete for the same resource.
Statement II - Competition occurs only when resources are limited.
In the light of above statements, choose the correct option given below:
What is the horizontal distribution of different species occupying levels on land or in water called?
The term 'Niche' denotes the _________ role played by an organism in its environment.
The highest level of ecological hierarchy in ecological organization is
Given below are two statements.
Statement I - Calotropis growing in abandoned fields is never consumed by cattle and goats.
Statement II - Calotropis produces highly poisonous cardiac glycosides.
In light of above statements, select the most appropriate answer from the option given below.
Dispersal of pollens is an example of