CBSE Class 6 Science
Chapter 7: Getting to Know Plants
NCERT Solutons
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 sepals 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.
Answer:
Answer:
(a) Roots absorbs water and minerals from the soil.
(b) Stems hold the plant upright.
(c) Stems conduct water to the leaves.
(d) The number of petals and sepals in a flower is not always equal.
(e) If the sepals of a flower are joined together, its petals are not necessarily joined together.
(f) If the petals of a flower are joined together, then the pistil is not necessarily joined to the petal.
2. Draw (a) a leaf, (b) a taproot and (c) a flower, you have studied for Table 7.3.
Answer:
3. Can you find a plant in your house or in your neighborhood, which has a long but a weak stem? Write its name. In which category would you classify it?
Answer:
Money plant has a long but week stem. It belongs to the category of climbers.
4. What is the function of a stem in a plant?
Answer:
Stem hold the plant upright. It transports water and minerals from root to the leaves. It transports food from the leaves to other parts of the plant. Stem hold branches, flowers, fruits etc
5. Which of the following leaves have reticulate venation?
Wheat, tulsi, maize, grass, coriander (dhania), China rose
Answer:
The plants have leaves with reticulate venation are tulsi,coriander, china rose.
6. If a plant has fibrous root, what type of venation do its leaves likely to have?
Answer:
If a plant has fibrous root, its leaves likely to have parallel venation.
7. If a plant has leaves with reticulate venation, what kind of roots will it have?
Answer:
If a plant has leaves with reticulate venation, it will have taproots.
Answer:
If a plant has leaves with reticulate venation, it will have taproots.
8. Is it possible for you to recognize the leaves without seeing them? How?
Answer:
It is not always possible to recognize the leaves without seeing. but we can find the leaves by the size, shape and smell of the leaves to an extent.
Answer:
It is not always possible to recognize the leaves without seeing. but we can find the leaves by the size, shape and smell of the leaves to an extent.
9. Write the names of the parts of a flower
Answer:
The parts of the flower are petals, sepals, stamen and pistil
10. Which of the following plants have you seen? of those that you have seen, which one have flowers?
Answer:
The parts of the flower are petals, sepals, stamen and pistil
10. Which of the following plants have you seen? 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, sugarcane, potato, groundnut
Answer:
Plants which I have seen are grass, maize, chilli, tomato, tulsi, banyan, mango, jamun, guava, pomegranate, papaya, banana, lemon, sugarcane
All the plants, which I have seen have flowers in it
11. Name the part of the plant which produces its food. Name this process.
Answer:
The parts of the plant which produce food are leaves. The process of making food by the leaves is called photosynthesis
12. In which part of a flower, you are likely to find the ovary?
Answer:
Ovary is found in the pistil, it is the lowermost part of the pistil.
Answer:
Ovary is found in the pistil, it is the lowermost part of the pistil.
13. Name two flowers, each with joined and separated sepals.
Answer:
Flowers with joined sepals are china rose and tomato
Flowers with separated sepals are jasmine and rose
