NCERT Solution and Notes Class 6 Science Chapter-7

   NCERT Solution And Notes                      Class -7  Science

       Getting To Know Plants

Here you can access all NCERT solution for class 6 science chapter -7 Getting to know plants. You can also get chapter's notes that is based on NCERT book of science.

Notes Of Ncert Class 6 Science Chapter 7 - Getting to know plants are given below

We offen observe different type of plants around us. Some plants are small, some very big, while some are just patches of green on the soil.

7.1 Herbs, Shrubs, Trees

Herbs:- plants with green and tender stem are called herbs. They are usually short and may not have many branches.

Shrubs:- some plants have the stem branching out near the base. The stem is hard but not very thick, such plants are call Shrubs.

Tree:-  Some plants are very tall and have hard and thick brown stem. The stems have branches in the upper part,much above the ground such plants are called trees.

Creepers:- Plants with weak stems that cannot stand upright and spread on the ground are called Creepers.

Climbers:-Plants that take support on neighbouring structures and climb up are called climbers.

7.2 Stem

The stem bears leaves,flower and fruits. stem conducts water from roots to the leaves and food from leaves to the other parts of the plant.

7.3 Leaf

Plants contain leaves in different shape and size. The part of a leaf by which it is attached to the stem is called petiole.

The broad green part of the leave is called lamina.

The lines on the leave are called veins.

The thick vein in the middle of the of a leaf is called midrib.

The design made by veins in a leaf is called leaf venation.

It can be reticulate or parallel.

Leaf performs different activities such as-

1. Photosynthesis:- leaves prepare their food by using water and carbon dioxide in the presence of Sunlight and chlorophyll.

2. Transpiration:- water comes out of leaves in the form of vapour by a process called transpiration.

3. Exchange of gases through stomata that is present on the leaf.

7.4 Root

Major activity of roots is to observe water and Minerals from the soil and another the plant firmly in the soil.Roots hold the plant upright.

Roots are mainly of two types-Taproot and fibrous root.

7.5 Flower
The parts of a flower are sepals, petals, stamens and pistil. It help in reproduction in plant.

Exercise solution For Class 6 Chapter-7 Getting To Know Plant

Q1. Correct the following statements and rewrite them in your notebook.
a). Stems absorbs water and Minerals from the soil.
b). Leaves hold the plant upright.
c). Roots conduct water to the leaves.
d). The number of petals and sepals in a flower is always equal.
e). If the sepals of a flower are joined together, it's petals are joined together.
f). If the petals of a flower are joined together, then the pistol is joined to the petal.
Ans-
a). Roots absorbs water and minerals from the soil.
b). Roots hold the plant upright.
c). Stems conduct water to the leaves.
d). The number of petals and sepals in a flower is usually equal.
e). If the sepal of a flower are joined together, its petals are not necessary to join together.
f). If the petals of a flower are joined together, then the pistil is not necessary to joined to the petal.

Q2. Draw (a) a leaf, (b) a taproot and (c) a flower.
Ans-
(a) a leaf 

(b) a taproot

(c) a flower

Q3. Can you find a plant in your house or in your neighbourhood, which has a long but a weak stem? Write its name. In which category would you classify it?
Ans-
Yes, money plant, I can find it in my neighbourhood. It is a climber plant.

Q4. What is the function of a stem in a plant?
Ans-
The stem conducts water from root to the leaves and other parts of the plant and food from leaves to other part of the plant.

Q5. Which of the following leaves have reticulate venation?
Wheat, Tulsi, maize, grass, coriander, China rose.
Ans-
Tulsi, China rose, coriander.

Q6. If a plant has fibrous root, what type of venation do its leave likely to have? 
Ans-
 Parallel venation.

Q7 if a plant has leaves with reticulate venation, what kind of root will it have?
Ans- Taproot

Q8. It is possible for you to recognise the leaves without seeing them? How?
Ans- 
Yes, we can identify the type of leaves by looking at its root.

Q9. Write the names of the parts of a flower.
Ans-
1. Sepal
2. Petals
3. Stamens
4. Pistil

Q10 which of the following plant have you seen? Between of those that you have seen, which one have flowers?
     Grass, maize, wheat, chilli, tomato, Tulsi,pipal, shisham, banyan, mango, Jamun, guava, pomegranate, papaya, banana, lemon, sugar cane, potato, groundnut.
Ans-
Plants that contain flowers are:-
Grass, maize, wheat, Chilli, tomato, pipal, shisham, banyan, mango, Jamun, guava, pomegranate, papaya, banana, lemon, potato, groundnut.

Q11. Name the part of the plant which produce its food. Name the process
Ans-
Leaves of the plant produce food by the process of photosynthesis.

Q12. In which part of a flower our. You are likely to find the ovary?
Ans-
Ovary is present in the pistil of a flower.

Q13. Name two flowers, each with joined and separated sepals.
Ans-
Flowers with joined sepals- China rose, cotton.
Flowers with separated sepals- Rose, jasmine. 

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