What will happen if
(a) Ligament gets over stretched?
(b) Heparin is absent in blood.
(c) Striated muscles contract rapidly for longer duration.

What will happen if ligaments are over stretched?

What will happen if striated muscles contract rapidly for a long time?

What will happen if (i) bone is dipped in HCl ? (ii) bone is dried ? (iii) heparin is absent in the blood ?

What will happen if (a) Apical meristem is damaged or cut ? (b) Cork is not found in older stems and roots. (c) Lymph is not returned to blood?

Study the prepared slide of striated muscles fibres and answer the following questions : (a) Are striated muscles voluntary or involuntary in action ? (b) Why are these called striated muscles fibres ? (c) Where are these present in human body? Name any two regions/parts. What is the function of striated muscles ?

A man started his journey on his car from location A and came back. The given graph shows his position at different times during the whole journey. (a) At what time did he start and end his journey? (b) What was the total duration of journey? (c) Which journey, forward or return, was of longer duration? (d) For how many hours did he not move? (e) At what time did he have the fastest speed?