Answer:
A thick vein in the middle of the leaf is called midrib.
Getting to Know Plants
Q 1.
Write the names of the parts of a flower in sequence, from outside to inside.
Q 2.
Name the female part of a flower. Write names of its parts and draw a diagram.
Q 3.
Why do we see dew drops on leaves in the early morning?
Q 5.
Why does white flowers bloom at night?
Q 6.
List few plants found around your house.
Q 8.
Name the part of plant which helps in holding the plant in the soil.
Q 10.
What are lateral roots?
Q 11.
Name the prominent parts of a flower.
Q 12.
What is the function of a stem in a plant?
Q 14.
What are creepers? Write an example.
Q 15.
Name a plant that eats insect.
Q 16.
What are petals? Why are they generally coloured?
Q 18.
What is the relation between leaf venation and the type of roots?
Q 19.
Classify plants and give an example of each.
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.
Name two flowers, each with joined and separates sepals.
Q 22.
Name the types of roots shown in the Fig. 7.7.
Q 23.
Give names of two plants which have tap root.
Q 24.
What are fibrous roots?
Q 25.
What are shrubs? Give two examples.
Q 26.
In which part of a flower you are likely to find the ovary?
Q 27.
What are the major parts of plants?
Q 28.
What are tap roots?
Q 29.
Name two plants which have fibrous root.
Q 30.
Explain the main functions of leaf.
Q 31.
Give two examples of shrubs.
Q 32.
Where does the photosynthesis take place in plants?
Q 33.
What are sepals? What are their functions?
Q 34.
Name the part of the plant which produces its food. Name this process.
Q 35.
How many kinds of plants are there?
Q 36.
Name the process by which leaves can prepare their food.
Q 38.
What are trees? Give two examples.
Q 39.
Name a plant that has underground as well as aerial (above the ground) root system.
Q 40.
Name the male part of a flower. Write names of its parts and draw a diagram.
Q 41.
Can you find a plant in your house or in your neighbourhood which has a long but a weak stem? Write its name. In which category would you classify it?
Q 42.
If a plant has fibrous root, what type of venation are its leaves likely to have?
Q 43.
Name two plants that belong to herbs.
Q 45.
What are herbs? Give two examples.
Q 46.
Pitcher plant has green leaves which can prepare food by photosynthesis then why does it eat insects?
Q 47.
Why are petals colourful?
Q 48.
What is transpiration?
Q 49.
Does the stem prepare food for any plant?
Q 50.
Does the stem prepare food for any plant?
