Transplantation of tissues/organs to save certain patients often fails due to rejection of such tissues/organs by the patient.

Simple tissues are made up of one type of cells which coordinate to perform a common function.  Complex tissues are made up of more than one type of cells. All these...

Most drugs when taken in doses higher than recommended may cause harmful effects and sometimes, may even lead to death. Hence, a doctor should always be consulted before taking any medicine.

Analogous organs are those organs which have different structural designs and origin but perform similar functions. Homologous organs are those which have the same basic structural design and origin but perform...

The food chain in the given situation will be: Phytoplankton ----> Zooplankton ---> Mosquito larva ------> Frogs In the absence of frogs (as they were exported), more mosquito larvae survived giving rise...

D. forelimbs of a cow, a duck and a lizard

Analogous organs: Those organs which have different basic structural designs and origin, but perform similar functions are called analogous organs.  Homologous organs: Those organs which have the same basic structural design...

The correct answer is (1) Cell mediated immune response causes nonacceptance or rejection of graft or transplanted tissues/organs.

(c) Cabinet Mission (1946) was the last opportunity to avoid the partition of India with the formation of interim Government. But Muslim League rejected the plan even though they won...

(b) military fills in political vacuum. 

Power is shared between different organs of the government such as Legislature, Executive and Judiciary. This system of power-sharing is referred to as a system of 'checks and balances' because:...