The organelles in cells which are also referred to as suicidal bags are the 

The process that brings about the shrinking of a spirogyra cell when placed in a strong solution is ?

The region of a plant stem in which cells divide to increase its diameter is

The total number of caudal vertebrae in animals X and Y is 4 and 27 respectively. The animals are likely to be.

Which of the following blood components has the greatest affinity for oxygen and carbon (IV) oxide?