DAV Class 4 Science Solution Chapter 2 Plants
DAV School Books Class 4 Science Solution Chapter 2 Plants all Question Answer. DAV Class 4 2nd Chapter Plants full Chapter explanation by expert teacher.
DAV School Books Class 4 Science Solution Chapter 2 Plants:
a.) Roots
b.) Stem
c.) Chlorophyll
d.) Seeds
A.)
1.) Root
2.) Waret and mineral
3.) Tap
4.) Carrot and radish
5.) Breathing
B.)
1.) True
2.) False
3.) False
4.True
C.)
1.) d.) (carrot)
2.) d.) (rose)
3.) a.) (mangrove)
D.)
1.) Name of the two different types of roots are :
a.) Tap roots
b.) Fibrous roots
2.) Two examples of plants having fibrous roots are banana and grasses.
3.) Aerial roots need to come out of the soil to get fresh air from the atmosphere.
E.)
2.) Tap root is a single , long root with thin roots arising from it where Fibrous roots are those in which many roots arise from the base of the stem and a fibrous roots tends to taper downwards.
3.) Root is an important part of aplant It helps the plant to absorb water and minerals from the soil. It holds the plant upright in the soil. Thus absorption and fixation are the two main functions of roots.
4.) Banyan and maize plants roots do not get sufficient oxygen in the marshy areas soIn such plants some breathing roots come out of the soil to get fresh air from the atmosphere. In this way banyan tree and maize are ‘special’.
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