3rd Class Science Plants Plants Roots

Plants Roots

Category : 3rd Class

*     Plant's Roots

 

Many plants have one main root and many small roots to grow from it. Such kinds of roots are called as tap root.

 

 

Cereals like rice, wheat, grasses, garlic and onion have many small roots growing from the stem. There is no single main root. It gives the roots a bushy appearance called adventitious root.

 

Look at the following picture of different types of roots:

 

              

 

common.jpg

 

      Which one of the following parts of a plant hold firmly in the ground? 

(a) Root

(b) Leaf

(c) Stem

(d) Fruit

(e) Seed

 

Answer: (a)

Explanation

Root hold a plant firmly in the ground. Therefore, option (a) is correct and rest of the options is incorrect.

 

 

 

     Choose the correct option for the following figure.

(a) Fibrous root

(b) Tap root

(c) Prop root    

(d) All of these

(e) None of these

 

Answer: (b)

Explanation

In the given figure one main root has been branched into many thinner roots, therefore this is tap root. Therefore, option (b) is correct and rest of the options is incorrect.

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