Question:
What do you mean by a complete and incomplete flower?
Answer:
The flower with all whorls, i.e., sepals, petals, stamen and carpel in it is a complete flower. If any one of this is absent in a flower it is called an incomplete flower.
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 3.
Why do we see dew drops on leaves in the early morning?
Q 5.
Why does white flowers bloom at night?
Q 6.
Name the part of plant which helps in holding the plant in the soil.
Q 7.
Name the female part of a flower. Write names of its parts and draw a diagram.
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 fibrous roots?
Q 16.
What are shrubs? Give two examples.
Q 17.
Name the process by which leaves can prepare their food.
Q 18.
What are creepers? Write an example.
Q 19.
Give two examples of trees.
Q 20.
Name the types of roots shown in the Fig. 7.7.
Q 21.
Name two plants which have fibrous root.
Q 22.
Name a plant that eats insect.
Q 23.
Name the part of the plant which produces its food. Name this process.
Q 24.
What are the major parts of plants?
Q 25.
What are tap roots?
Q 26.
Give names of two plants which have tap root.
Q 29.
In which part of a flower you are likely to find the ovary?
Q 31.
What are sepals? What are their functions?
Q 32.
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 33.
If a plant has leaves with reticulate venation, what kind of roots will it have?
Q 34.
Are all the plants same in size?
Q 35.
What is leaf venation?
Q 36.
What are petals? Why are they generally coloured?
Q 37.
Explain the main functions of leaf.
Q 38.
What are unisexual and bisexual flowers?
Q 39.
How can one destarch the leaves of potted plant without plucking, them?
Q 40.
Give two examples of shrubs.
Q 41.
How many types of leaf venation are there?
Q 42.
What are the raw materials for photosynthesis?
Q 43.
Where does the photosynthesis take place in plants?
Q 44.
Does the stem prepare food for any plant?
Q 45.
What are trees? Give two examples.
Q 46.
Name the male part of a flower. Write names of its parts and draw a diagram.
Q 47.
Explain an activity to test the presence of starch in a leaf.
Q 48.
Explain the important functions of root.
Q 49.
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 50.
If a plant has fibrous root, what type of venation are its leaves likely to have?
