Q.1 Correct the following statements and rewrite them in your notebook.
(a) Stem 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 stamens in a flower is always equal.
(e) If the sepals of a flower are joined together, its petals are also joined together.
(f) If the petals of a flower are joined together, then the pistil is joined to the petal.
NCERT Solutions for Class 6 Science Chapter 7 Getting To Know Plants
Answer :
a) Roots absorbs water and minerals from the soil.
b) Stem holds the plant upright.
c) Stems conduct water to the leaves.
d) The number of petals and stamens in a flower may not be always equal.
e) If the sepals of a flower are joined together, its petals are separate.
f) If the petals of a flower are joined together, then the pistil may or may not be joined to the petal.
Q3 ) Can you find a plant in your house or in your neighbourhood, which has a long but weak stem? Write its name. In which category will you place it?
NCERT Solutions for Class 6 Science Chapter 7 Getting To Know Plants
Answer :
(1) Yes, we can find a plant in our neighborhood that has a long but weak stem.
(2) One such plant is grapes whose stem is thin, long, and weak. It climbs up with the help of a wall or rope. It is called a climber.
(3) Money plant also has a long but weak stem. Money plant is classified as a climber, i.e. the plant with a weak stem that cannot stand upright and climb with the help of a support.
NCERT Solutions for Class 6 Science Chapter 7 Getting To Know Plants
Answer :
The functions of the stem in a plant are given below :
(I) It supports the plant to the stand-up right.
(II) It transports water, minerals and food in a different parts of the plant.
(III) Sometimes the food is stored in the stem. Examples: potato, ginger etc.
(IV) It supports branches, leaves, flowers, and fruits.
(V) Some time stems are modified to give additional support by stem tendrils.
(VI) In cactus plant stem is modified to make food. In cactus plant stem contain chlorophyll.
Q.5 Which of the following leaves have reticulate venation?
Wheat, tulsi, maize, grass, coriander (dhania), China rose
NCERT Solutions for Class 6 Science Chapter 7 Getting To Know Plants
Answer :
Leaves of tulsi, coriander (dhania) and China rose have reticulate venation whereas leaves of wheat, maize, and grass have parallel venation.
Q.8 Is it possible for you to find out whether a plant has taproot or fibrous roots by looking at the impression of its leaf on a sheet of paper?
NCERT Solutions for Class 6 Science Chapter 7 Getting To Know Plants
Answer :
(1) Yes, it is possible to find out whether a plant has taproot or fibrous roots by looking at the impression of its leaf on a sheet of paper.
(2) If the impression of the leaf is net-like on both sides of the midrib, then the venation is reticulate and the plant will have taproots.
(3) In parallel venation, the veins are parallel to one another and such plant possesses fibrous roots.
NCERT Solutions for Class 6 Science Chapter 7 Getting To Know Plants
Answer :
There are four main parts of a flower and they are :
(i) Sepals: Green-colored part that covers the flower in its initial stage.
(ii) Petals: These form the colored part of the plant.
(iii) Stamen: It bears anther and filament.
(iv) Pistil: This is the innermost part of a flower. It bears stigma, style, and ovary.
Q.10 From the following plants, which of them have flowers?
Grass, maize, wheat, chilli, tomato, tulsi, peepal, shisham, banyan, mango, blackberry, guava, pomegranate, papaya, banana, lemon, sugarcane, potato, groundnut
NCERT Solutions for Class 6 Science Chapter 7 Getting To Know Plants
Answer :
The plants which have flowers are grass, maize, wheat, chilli, tomato, tulsi, peepal, shisham, banyan (flowers lie inside its fruits), mango, jamun, guava, pomegranate, papaya, banana, lemon, sugarcane, potato, groundnut.