$A$ : The soil of tropical rain forest has low base content.
$R$ : Such soil shows less percolation and leaching

  • A

    Assertion and Reason both are correct and also correct explanation.

  • B

    Assertion and Reason both are correct but not explanation of assertion.

  • C

    Assertion is correct, but Reason is incorrect.

  • D

    Both Assertion and Reason are incorrect.

Similar Questions

$A$... regulators are able to maintain homeostasis by means which ensures constant body temperature, constant osmotic concentration, etc. All ...$B$... and ...$C$.... and is very few lower vertebrate and invertebrate species are indeed capable of such regulation (thermoregulation and osmoregulation)

Evolutionary biologists believe that the 'success' of mammals is largely due to their ability to maintain a constant body ...$D$... and thrive whether they live in Antarctica or in the Sahara desert
Choose the correct option for $A , B , C$ and $D$

$A$ : Shivering is an adaptation for low temperature.
$R$ : Shivering warms up the body

A process which maintains constancy of internal body environment of organisms despite varying external environmental conditions is called as

The figure given below is a diagrammatic representation of response of organisms to abiotic factors. What do $(i)$, $(ii)$ and $(iii)$ represent respectively ?

  • [AIPMT 2010]

Photosynthesis in Opuntia is done by