Question:
Name the types of roots shown in the Fig. 7.7.
Answer:
(i) Tap roots (ii) Fibrous roots
Getting to Know Plants
Q 1.
Write the names of the parts of a flower in sequence, from outside to inside.
Q 2.
List few plants found around your house.
Q 4.
Why does white flowers bloom at night?
Q 5.
Why do we see dew drops on leaves in the early morning?
Q 6.
Name the female part of a flower. Write names of its parts and draw a diagram.
Q 7.
Name the part of plant which helps in holding the plant in the soil.
Q 8.
What are lateral roots?
Q 10.
What is the function of a stem in a plant?
Q 12.
Name the prominent parts of a flower.
Q 14.
What are tap roots?
Q 15.
Name two flowers, each with joined and separates sepals.
Q 16.
What are creepers? Write an example.
Q 17.
Name the process by which leaves can prepare their food.
Q 18.
What are fibrous roots?
Q 19.
What are petals? Why are they generally coloured?
Q 20.
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 sepals and petals 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.
Q 21.
In which part of a flower you are likely to find the ovary?
Q 22.
Name the types of roots shown in the Fig. 7.7.
Q 23.
Name two plants which have fibrous root.
Q 24.
Name a plant that eats insect.
Q 25.
Name the part of the plant which produces its food. Name this process.
Q 26.
What are shrubs? Give two examples.
Q 27.
Explain the main functions of leaf.
Q 28.
If a plant has leaves with reticulate venation, what kind of roots will it have?
Q 29.
How many types of leaf venation are there?
Q 30.
Give names of two plants which have tap root.
Q 32.
What are unisexual and bisexual flowers?
Q 33.
What are the major parts of plants?
Q 34.
How many kinds of plants are there?
Q 35.
Give two examples of trees.
Q 37.
Does the stem prepare food for any plant?
Q 38.
Which of the following leaves have reticulate venation?
Wheat, tulsi, maize, grass, coriander (dhania), china rose.
Q 39.
Are all the plants same in size?
Q 40.
Give two examples of shrubs.
Q 42.
Where does the photosynthesis take place in plants?
Q 43.
What are sepals? What are their functions?
Q 44.
Explain an activity to show that stem conducts water and other substances.
Q 45.
What are unisexual and bisexual flowers?
Q 46.
Explain the important functions of root.
Q 47.
Name the part of the plant which produces its food. Name this process.
Q 48.
Name a plant that has underground as well as aerial (above the ground) root system.
Q 49.
Why are petals colourful?
Q 50.
How can one destarch the leaves of potted plant without plucking, them?
