RBSE / Class 5th / EVS / Chapter 6: Seed Becomes Plant

Chapter 6: Seed Becomes Plant

Lantana flower

Page No. 186

Think and Answer:

Table 1 Name of the part of the plant

S. No.	Name of food item	Name of the part of the plant used as food
1.	Rice	Seed
2.	Apple	Fruit
3.	Carrot	Root
4.	Pearls Millet	Seed
5.	Radish	Root
6.	Onion	Root

 

Page No. 187

Table 2 Observation related to germination

S. No.	Days	Status of germination of Green gram/ Moth bean / Chickpea grains
		Bowl no. 1 (With Water)	Bowl no. 2 (With Wet Cloth)	Bowl no. 3 (Open)
1.	Day-1	No change in size	No change in size	No change in size
2.	Day-2	Size gets larger	Sprouts grow	No change in size
3.	Day-3	Further larger	Size gets larger	No change in size
4.	Day-4	Further larger	Size gets much larger	No change in size

 

Q.1 In which bowl, there is more germination? Why?

Ans. In Bowl No. 2, There will be more germination. Because in this bowl grains were kept in wet cloth and it provides sufficient moisture and temperature for more better germination.

Page No. 188

Q.1 In which bowl the germination of grains started from the day one?

Ans. The germination was not started in any bowl from the day one.

Q.2 Why were the grains tied in a wet cloth for germination?

Ans. The grains were tied in a wet cloth for germination because a wet cloth provides sufficient moisture and temperature for the same.

Q.3 In which bowl, there is no germination?

Ans. There is no germination in bowl no. 3.

Q.4 Why there is no germination of the grains of the cereals kept in our home?

Ans. There is no germination of the grains of the cereals which are kept in our home because they are not stored in a wet cloth or in water.

Table 3 Change in the grains after covering with soil in a container

S. No.	Changes in the grains of	First Day	Second Day	Third Day	Fourth Day
1.	Chickpea	No change	Grains split	Sprouts grow	Size gets larger
2.	Green gram	No change	Grains split	Sprouts grow	Size gets larger
3.	Moth bean	No change	Grains split	Sprouts grow	Size gets larger
4.	Rice	No change	No change	No change	No change

 

Page No. 189

Q.1 Observe the different plants in your surroundings and discuss which plants grow without a seed? From which part of the plant do they grow?

Ans. There are various plants in our surroundings which grow without a seed such as Potato, Money plant, Mint plant, Rose, Jasmine and Bryophyllum etc. Out of these all plants, Potato, Money plant, Rose and Jasmine grow by its stem while Mint plant is grown by its root and Bryophyllum plant is grown by its leaf.

Page No. 190

Q.1 How is grafting done?

Ans. Grafting is the process of combining two different plants to create a single one. It is achieved by providing a clean cut on the two plants and taping the ends together until they heal. The purpose of this is to combine one plant’s qualities of flowering or fruiting with the roots of another one.

Q.2 Write the name of a plant which is grown by its leaf?

Ans. Bryophyllum is a plant which is grown by its leaf.

Q.3 Where have you seen plants growing at places other than ground?

Ans. We have seen plants growing at various places other than ground such as On the wall of a temple, On the stem of a large tree and On bricks etc.

Page No. 191

Things to do:

Q.1 Paste a map of world in your notebook and mark the continents in it also. Write the names of the food items and the plants with the continent from where they came to our country?

Ans. First part of the question, You do it by yourself reading the same page. Get a map of world and mark all seven continents (Asia, Europe, South America, North America, Africa, Australia and Antarctica) in it.  

World map with continets

The names of the food items and the plants with the continent from where they came to our country are following:

Table 4 Name of the plant and its continent where from it came to our country

S. No.	Name of the plant	Name of the continent from where it came to our country
1.	Tea	China (Asia)
2.	Coffee	Africa
3.	Lady finger	Africa
4.	Cauliflower	Europe
5.	Peas	Europe

 

Page No. 192

Explore:

Q.1 Out of the above, Which foreign plants have you seen in your surroundings?

Ans. Out of the above two plants foreign plants we have seen in our surroundings. That are Lantana and Eucalyptus.

Q.2 Read more stories from your school library about the travel of plants and seeds from one place to other.

Ans. The stories of three foreign plants are being discussed over here.

(i) Lantana: It was brought by Britishers who were ruling over India from South America. They planted it in Kolkata City.

(ii) Eucalyptus: It was brought from Australia and planted on Nilgiri Hills in Tamil Nadu. Hence it is called Niligiri too.

(iii) Parthenium: Once India imported wheat from United states of America so along with it some seeds of Parthenium (Gajarghas) came and unnecessarily it spread in our country.

Q.3 Explain about the necessary conditions required for the germination of seeds.

Ans. The required necessary conditions are different for different kind of seeds. But if we take some soaked grains of chickpea/ Green gram / Moth bean and wrap them in a wet cotton cloth for the next 24 hours. The grains are converted into sprouts. So it could be concluded that for the germination of some seeds moisture, heat and sufficient movement of air are necessary.  

Page No. 193

Q.1 Name a plant which grows without seed and draw a diagram of it.

Ans. Bryophyllum is a plant which is grown by its leaf under oily conditions.

Bryophyllum leaf

Q.2 What is dispersal?

Ans. Dispersal is a procedure in which seeds of any plant are transported from one place to another.

Q.3 How human beings help in dispersal of seeds? Write it.

Ans. Human beings help in dispersal of seeds. For farming they themselves do dispersal of seeds during the procedure of sowing seeds. And sometimes it is just happened when they from place to another and seeds get stuck in their footwears.

Q.4 Write the names of  five plants which came to India from foreign countries.

Ans. The names of five plants which came to India from foreign countries are following:

Cauliflower, Ladyfinger, Tea, Coffee and Peas.