Question

Subjective Type Questions
5. Answer the following.
(a) What is germination?
(b) What is seed dispersal?
(c) Name the different ways plants disperse seeds,
(d) How do animals help in seed dispersal?
(e) How is water helpful in seed dispersal? Give ex
(f) Do humans also help in seed dispersal? How?​

Answer 1

a. germination is the process by which an organism grow from a seed or similar structructure

b. seed dispersal is a movement ,spread or transport of seed away from parents plant

c. there are five main mode of seed dispersal they are

1. gravity
2. wind
3. ballistic
4. water

5.animal

d. animals can disperse seed by excreting or burying them

e. seed dispersal by water are contained in light and buoyant fruit giving them the ability to flot. example coconut

Answer 2

Answer:

a)germination is the process by which a speed breaks and produce a seedling.

b) the seed dispersal is the transport of seeds away from the parent plant.

c)wind

water

explosion

insect

animal.

d)animals like cow eats the fruit of plant and as they can't digest seed they remove it by there excreation and thus seeds are dispersed.

e) the plants which grow in water or on its surface use this mode of dispersal in which they have water resistant and buyont seeds.example:

see beet and yellow flag.

f) yes. the humans after eating fruits throw seed here and there thus helping in germination