Question:
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.
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 the petals of a flower are joined together, then the pistil is not necessarily joined to the petal.
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 11.
What is the function of a stem in a plant?
Q 12.
Name the prominent parts of a flower.
Q 14.
Name two flowers, each with joined and separates sepals.
Q 15.
What are tap roots?
Q 16.
What are creepers? Write an example.
Q 17.
What are petals? Why are they generally coloured?
Q 18.
Name the process by which leaves can prepare their food.
Q 19.
Name the types of roots shown in the Fig. 7.7.
Q 20.
Name two plants which have fibrous root.
Q 21.
What are fibrous roots?
Q 22.
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 23.
In which part of a flower you are likely to find the ovary?
Q 24.
What are shrubs? Give two examples.
Q 25.
Name a plant that eats insect.
Q 26.
Name the part of the plant which produces its food. Name this process.
Q 28.
Explain the main functions of leaf.
Q 29.
If a plant has leaves with reticulate venation, what kind of roots will it have?
Q 30.
Give names of two plants which have tap root.
Q 31.
What are unisexual and bisexual flowers?
Q 32.
What are the major parts of plants?
Q 33.
How many kinds of plants are there?
Q 34.
Give two examples of trees.
Q 35.
How many types of leaf venation are there?
Q 37.
Give two examples of shrubs.
Q 39.
Where does the photosynthesis take place in plants?
Q 40.
Does the stem prepare food for any plant?
Q 41.
What are sepals? What are their functions?
Q 42.
Which of the following leaves have reticulate venation?
Wheat, tulsi, maize, grass, coriander (dhania), china rose.
Q 43.
Are all the plants same in size?
Q 44.
Explain an activity to show that stem conducts water and other substances.
Q 45.
What are unisexual and bisexual flowers?
Q 46.
Name a plant that has underground as well as aerial (above the ground) root system.
Q 47.
What is the relation between leaf venation and the type of roots?
Q 48.
Name the male part of a flower. Write names of its parts and draw a diagram.
Q 49.
Explain an activity to test the presence of starch in a leaf.
Q 50.
Explain that sunlight is essential for photosynthesis.
