No,seeds needn't be frozen to sprout. Seeds sprout just liek grains, when they are placed in a moist environment. It is prefferable to keep them ia a wet cotton cloth for a day or two, so that the can germinate easily.
Seeds will not sprout when frozen, but some seeds require a period of freezing before they will germinate. This is because in the wild the seed will becovered by snow or ice during the winter.
mango lychy
The apple drops from the tree when ripe and is eaten by foraging animals that then spread the seeds in their droppings.
because the freezing temperature damages the cells in the seed, effectively killing it
Seeds need a warm temperature to sprout. So if they are kept in a cold temperature they will not sprout
Yes seeds need water to sprout.
Seeds need a warm temperature to sprout. So if they are kept in a cold temperature they will not sprout
squash seeds sprout faster then any other seed
flax seeds can't sprout in water
Nobody can tell you the exact number. It may vary from 5 till 15 (18). That is the same as in apple. In one fruit you may find 2 seeds in other more than 5.
The reason seeds don't sprout is because they don't get enough water and sunlight.