(i)
(ii)
Which of the following is not correct?
(a) Robert Brown discovered the cell.
(b) Schleiden and Schwann formulated the cell theory.
(c) Virchow explained that cells are formed from pre-existing cells.
(d) A unicellular organism carries out its life activities within a single cell.
Describe the structure of the following with the help of labelled diagrams.
(i) Nucleus
(ii) Centrosome
Discuss the main steps in the digestion of proteins as the food passes through different parts of the alimentary canal.
Briefly describe the structure of the following:
(a) Brain
(b) Eye
(c) Ear
How are viroids different from viruses?
What is the difference between lymph and blood?
Nice