CBSE Science Class 6 Chapter 4 NCERT Solution - Getting to Know Plants
NCERT Solutions for Class 6 Science Chapter 4 Getting to Know Plants are presented here for the benefit of the students studying the CBSE syllabus Class 6 Science. Detailed answers provided here will aid you in clearing all the concepts covered in the syllabus.
1. Correct the following statements and rewrite them in your notebook.
(a) Stem absorbs water and minerals from the soil.
(b) Leaves hold the plants upright.
(c) Roots conduct water to the roots.
(d) The number of petals and stamens in a flower is always equal.
(e) If the sepals of a flower is 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:
(a) Roots absorb water and minerals from the soil.
(b) Roots hold the plant upright.
(c) Stem conducts water to the leaves.
(d) The number of petals and sepals in a flower is usually equal.
(e) If the sepals of a flower are joined together, its petals are not necessarily joined together.
(f) If a 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:
(a) a leaf
(b) a taproot
3. 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 ?
Answer:
Yes, Lauki (gourd) plant. It needs support. It is a climber.
4. What is the function of a stem ?
Answer:
Function of stem :
- Gives support to the plant.
- Conducts water and minerals from roots to leaves.
- Conducts food from leaves to other parts of the plant.
5. Which of the following leaves have reticulate venation ?
wheat, tulsi, maize, grass, coriander (dhania), china rose
Answer:
Tulsi, coriander(dhania), china rose.
6. If a plant has fibrous root, what type of venation do its leaves have ?
Answer:
Parallel venation
7. If a plant has leaves with reticulate venation, what kind of roots it will have ?
Answer:
Tap root.
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 ?
Answer:
Yes, By taking an impression of the leaf. Put paper on the leaf. Hold the pencil tip sideways and rub it on the portion of paper having leaf below. You get impression of leaf with some lines on it.
9. What are the parts of a flower ?
Answer:
Grass, maize, wheat, chilli, tomato, tulsi, peepal, shisham, banyan, mango, jamun, guava, pomegranate, papaya, banana, lemon, sugarcane, potato,, groundnut
Answer:
I have seen all these plants. Plants with flowers are :
- Chilli
- Tomato
- Tulsi
- Mango
- Lemon
- Jamun
- Guava
- Pomegranate
- Papaya
- Banana
11. Name the part of a plant which produces food. Name the process.
Answer:
Leaves produce the food. The process is called photosynthesis.
12. In which part of a flower, you will find the ovary ?
Answer:
It is the lowermost and swollen part of the pistil.
13. Name two plants in which one has joined sepals and the other has separate sepals.
Answer:
Joined sepals : Rose, lotus
Separate sepals : China rose, mustard flower.