MCQ
Nematocysts are activated by
- AWater
- ✓Touch
- CBrain
- DNone of the above
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| $(a)$ Descending limb of Henle's loop | $(i)$ Reabsorption of salts only |
| $(b)$ Proximal Convoluted tubule | $(ii)$ Reabsorption of water only |
| $(c)$ Ascending limb of Henle's loop | $(iii)$ Conditional reabsorption of sodium ion and water |
| $(d)$ Distal convoluted tubule | $(iv)$ Reabsorption of ion, water and organic nutrients |
Select the correct option from the following
$(i)$ They have a hard and non-pliable ground substance rich in calcium salts and collagen fibres.
$(ii)$ They support and protect softer tissues and organs.
$(iii)$ Osteocytes are present in the spaces called lacunae.
$(iv)$ They also interact with skeletal muscles attached to them to bring about movements.
Which of the following type of tissue is being described by above statements