Ans 1: (Master Answer)
C
We observe that in the 2nd bottle, water has frozen and overflowed over the rim of the bottle. This means that volume of water increases when it freezes. So. it has expanded beyond the rim of the bottle.
C
We observe that in the 2nd bottle, water has frozen and overflowed over the rim of the bottle. This means that volume of water increases when it freezes. So. it has expanded beyond the rim of the bottle.
D
Dispersal of seed is carried out by wind, water, animals and by explosion. From the given figure it can be inferred that seeds of plants X are dispersed through explosion, e.g., Balsam and pea. Seeds of plant Y are dispersed by wind, e.g., Dandelion and Hiptage while seeds of plant Z are dispersed by animal, e.g., Xanthium, Urena.