Introduction
Before trying to attempt to answer the NCERT exercise questions, you should have a thorough understanding of class 6 Science chapter 4 i.e. ‘Getting to Know Plants’.
If you haven’t understood the chapter yet, then worry not you can go through it easily and develop a crystal clear understanding of various concepts from our notes whose link has been provided below.
NCERT Exercise Questions & Answers
Que. 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.
Ans. 1 (a) Roots absorb water and minerals from the soil.
(b) Stem holds the plant upright.
(c) Stem and branches conduct water to the leaves.
(d) The number of petals and stamens in a flower may or may not be equal.
(e) If the sepals of a flower are joined together, its petals may or may not be joined together.
(f) If the petals of a flower are joined together, then the pistil may or may not be joined to the petal.
Que. 2 Draw (a) a leaf, (b) a taproot and (c) a flower.
Ans. 2 Refer to our notes from Chapter 4 for the picture and diagram of a leaf, a taproot and a flower.
Que. 3 Can you find a plant in your house or in your neighborhood, which has a long
but weak stem? Write its name. In which category will you place it?
Ans. 3 Yes, I found the money plant in my house and it belongs to the climber category.
Que. 4 What is the function of a stem?
Ans. 4 Some of the most important functions of a stem are:
- It helps in the upward movement of the water and nutrients from the roots to the various branches, leaves and other parts of the plant.
- It also transports the food from the leaves to the roots and other parts of the plant.
- It provides structural support to the plant.
Que. 5 Which of the following leaves have reticulate venation?
Wheat, tulsi, maize, grass, coriander (dhania), China rose
Ans. 5 Among the following leaves only tulsi, coriander and China rose have reticulate venation.
Que. 6 If a plant has fibrous roots, what type of venation do its leaves have?
Ans. 6 If a plant has fibrous roots then its leaves have parallel venation.
Que. 7 If a plant has leaves with reticulate venation, what kind of roots will it have?
Ans. 7 If a plant leaves have reticulate venation then it will have a tap root system.
Que. 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?
Ans. 8 Yes, it is possible for us to find out whether a plant has taproot or fibrous roots just by looking at the impression of the leaf on a sheet of paper. If the impression shows a reticulate venation (network of fine veins) then the plant will have a taproot system whereas if the impression shows a parallel venation (veins running parallel) then the plant will have a fibrous root system.
Que. 9 What are the parts of a flower?
Ans. 9 A flower mainly has 4 parts.
- Sepals
- Petals
- Stamen (anther & filament)
- Carpel or Pistil (stigma, style & ovary)
Que. 10 From the following plants, which of them have flowers?
Grass, maize, wheat, chilli, tomato, tulsi, peepal, shisham, banyan, mango, jamun,
guava, pomegranate, papaya, banana, lemon, sugarcane, potato, groundnut.
Ans. 10 Among the following plants the flower-bearing plants are: grass, maize, wheat, chilli, tomato, tulsi, peepal, shisham, banyan tree, mango, jamun, guava, pomegranate, papaya, banana, lemon, sugarcane, potato & groundnut.
Que. 11 Name the part of the plant that produces food. Name the process.
Ans. 11 Mainly the green leaves produce food by the process of photosynthesis.
Que. 12 In which part of a flower, you will find the ovary?
Ans. 12 Ovary is present in the lowermost and swollen part of the pistil or carpel.
Que. 13 Name two plants in which one has joined sepals and the other has separate
sepals.
Ans. 13 Plants that have flowers with jointed sepals are:
- China rose
- Datura
and, plants that have separate/free sepals are:
- Rose
- Lotus
References & Credits
- Class 6 Science NCERT Textbook
- Image by brgfx on Freepik
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