Page 111 - Science Class 06

2. Rhizobium bacteria fixes atmospheric nitrogen in the soil.
3. The roots of the plants increase the soil erosion.

4. Some plants having fibrous roots also develop addi onal roots from the lower stem.
5. Leaves of plants cannot trap sunlight without chlorophyll.
6. A bisexual flower is a flower that contains both male flowers and female buds.

E. Very short answer ques ons.
1. How many types of systems are there in a plant?
2. What is root?
3. What are tendrils?

4. Why do leaves of plants look green?
5. What is stem?
6. What is sepal?

7. What is a bisexual flower?
8. Write different parts of a flower.
F. Short answer ques ons.
1. Differen ate between root system and shoot system.

2. How do modified roots support plants?
3. What do you mean by modified roots?
4. Write different types of arrangements of leaves.
5. Write three func ons of leaves.

6. Define different parts of a flower.
7. Differen ate between unisexual and bisexual flowers.
8. Define different layers of a fruit.
G. Long answer ques ons.

1. Explain the structure of a plant.
2. Describe the root system. Also, explain the different types of root system.
3. What are nodulated roots?

4. Explain different func ons of stems.
5. Explain seeds with its different func ons.

Project ActivityActivityActivity
Project
Project
Project Activity
A. Visit a nearby park and observe different parts of plants. Name the plants you observe there
and write about their shape, size, height, etc.

B. Take a flower of rose and cut it into two sec ons and observe its inner part with the help of a
lens. Write your observa on on a paper and also draw the picture of these parts.

C. Grow a plant in a flower pot and note down the changes occur in it at a regular interval.

Science-6 111