Organism and its Environment

The following graph represents the organismic response to certain environmental, condition (e.g., temperature) :

Which one of these, $‘a’$ or $‘b’$, depicts conformers?

Which of the following regions are not suitable habitat for tiny humming birds:

Which one of the following correctly represents an organism and its ecological niche?

Identify the ‘lungs of the planet’?

The best pH range of the soil for cultivation of crop plants is

The natural residence of every organism id known as:

Water infiltration will be slowest in

Soil formed after leaching and rich in $Al$ and $Fe$ is

Rats are

Maintenance of internal favourable conditions, despite changes in external environment is

Which ONE of the following statements about ecosystem energetics is INCORRECT?

Organisms which are able to tolerate a wide range of salt concentration are termed as

Which of the following is not a suspended activity in animals against abiotic stresses?

Statement $\left(\mathrm{S}\right)$: The animals which live in colder regions have larger body size with greater body mass 

Reason $\left(\mathrm{R}\right)$ : The small surface area does not help to conserve heat

Which of the following is true?

In a thermally stratified lake in temperate region, the upper layer in winter is

Identify the incorrect statements among the following:

i. Homeostasis ensures the constant osmotic concentration of cells.

ii. The famous Keoladeo National Park (Bharatpur) in Rajasthan hosts thousands of migratory birds coming from Siberia, in every winter.

iii. $99 \%$ of animals and nearly all plants are regulators.

iv. The conformers are able to maintain their body temperature inspite of changes in ambient temperature.

Some organisms are tolerant of a wide range of salinities, these are known as

In the given graph, which type of Biome is represented by ${}^{\text{'}}\mathrm{X}^{\text{'}}$ ?