Osteoporosis is a disease of:

Number of bones in both feets is :

Cartilage and bones are ___ type of animal tissues:

Inflammation of membrane at joints is called.

Outer hard layer of bone is called:

The hard outer layer of a bone is called;

The simplest method of asexual reproduction is:

In animal process of reproduction without fertilization is called:

Each spore is covered with a thick wall called:

Corals reproduce by means of:

Calyx is the outer most whorl of the flower and bears the colour:

In which type of the following reproduction ways, buds are formed: