Question

Read the passages and answer the following questions :
Passage :

Following are the various methods of seed dispersal:
Dispersal by Wind: Seeds of some plants are light-weight and some hair-like or wing-like structures
are present on them. Such seeds float on air and are thus dispersed by wind. Example: Dandelion,
maple, drumstick, etc.
Dispersal by Water: Dispersal by water takes place in some aquatic plants and in some which grow
near a water body. Seeds of water lily float and thus dispersed by water. The coconut seed has a tough
fibrous covering which has plenty of air inside. This helps the coconut seeds in floating on water.
Dispersal by Animals: Some seeds have spine like structures on them. They get stuck to the fur of
animals and thus get spread to different places. Examples; Beggar tick, Xanthium, etc. Some seeds are
swallowed by birds and animals along with fruits. These seeds get dispersed with bird or animal
droppings.
Dispersal by Bursting: Some fruits burst open when they mature. The force of bursting is enough to
spread the seeds. Examples; Ladyfinger, castor, balsam, etc.
Dispersal by Humans: Human beings also help in dispersal of seeds, especially during farming.

Answer the following questions :
22. How the Xanthium seeds does dispersed?
23. Which type of seeds disperse by bursting?
24. Write few examples of seeds which disperse through wind.
25. How does the humans disperse the seeds?
26. How the Dandelion seeds disperse?
27. What quality of coconut makes it to disperse through water?

Answer 1

Answer:

22.Dispersal by Animals: Some seeds have spine like structures on them. They get stuck to the fur of animals and thus get spread to different places.

23.Ladyfinger, castor, balsam, etc.

24.Dandelion,Maple, drumstick, etc.

25.Human beings also help in dispersal of seeds, especially during farming.

26.Dispersal by Wind

27.The coconut seed has a tough

fibrous covering which has plenty of air inside. This helps the coconut seeds in floating on water.

Answer 2

Answer:

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