Question

th
Biology
9
CHAPTER-1, FUNDAMENTAL UNIT OF LIFE- CELL
A. Give reasons, why.
1 Raisins and dry apricots swell up when placed in a bowl containing water for sometime.
2 Chromatin, chromatid and chromosomes are related to each other.
3 Lysosomes are known as 'scavengers of the cells'.
4 Plant cells possess large sized vacuole.
5 Roots of plants have mostly leucoplasts in them than chloroplasts.​

Answer 1

Answer:

(a) Dry apricots when placed in pure water swell due end osmosis (inward movement of water) and later when are transferred sugar solution exosmosis (outward movement of water) occurs and they shrink again.