Aged erythrocytes are destroyed in the?
Which of the following produces both hormones and enzymes?
I. Stomata --> Spirogyra
II. Alveoli --> Earthworm
III. Malpighian tubule -> Mammal
IV. Contractile vacuole -> Protozoa
Which of the above structures is correctly matched with the organisms in which it is found?
The under secretion of thyroxine in children results in?
