CBSE Class 6 Science Diversity in the Living World (Class 6 NCERT New) Quiz 30

1. From which part of the seed does the main root (tap root) typically develop?

A Cotyledon B Plumule C Radicle D Epicotyl

2. What is the primary root also known as in a tap root system?

A Secondary root B Tertiary root C Tap root D Fibrous root

3. What are the finer branches coming out from the secondary roots in a tap root system called?

A Primary roots B Tertiary roots C Adventitious roots D Fibrous roots

4. Where is the root cap located in a tap root?

A At the base of the stem B Along the secondary roots C At the tip of the root D Around the cotyledons

5. As a plant with a tap root grows and develops larger leaves, what happens to its cotyledons?

A They grow larger B They remain the same size C They become smaller and shrivel D They develop into new leaves

6. In a mature tap root, what is the region called where cell division and elongation have stopped, and cells are only differentiating?

A Meristematic region B Elongation region C Permanent region D Root cap region

7. How do fibrous roots differ from tap roots in terms of the main root?

A Fibrous roots have a thicker main root B Fibrous roots have a longer main root C The main root in fibrous systems withers off D The main root in fibrous systems is more branched

8. What is a key characteristic of a fibrous root system?

A It has a prominent main root B It develops from the radicle and the main root persists C All roots look similar and form a bunch D It develops from nodes on the stem

9. What defines an adventitious root?

A It develops directly from the radicle B It is always a single, thick main root C It develops from any part of the plant other than the radicle D It is characterized by a tuft of similar-looking roots

10. From which part of the plant shown in the video do the adventitious roots develop?

A Leaves B Internodes C Nodes D Flowers