The correct option is (C): Monocytes
Monocytes, a kind of white blood cell, are the precursors to macrophages and are created by stem cells in the bone marrow. Monocytes circulate in the circulation and develop into macrophages when they leave it. Because of this, macrophages are also known as modified monocytes. They stay alive for months while keeping our cells and organs clean.
Match List I with List II.
List I | List II | ||
A | Taenia | I | Nephridia |
B | Paramoecium | II | Contractile vacuole |
C | Periplaneta | III | Flame cells |
D | Pheretima | IV | Urecose gland |
Choose the correct answer from the options given below:
A solid cylinder of mass 2 kg and radius 0.2 m is rotating about its own axis without friction with angular velocity 5 rad/s. A particle of mass 1 kg moving with a velocity of 5 m/s strikes the cylinder and sticks to it as shown in figure.
The angular velocity of the system after the particle sticks to it will be: