Question:
How many kinds of plants are there?
Answer:
There are three kinds of plants:
(i) Herbs
(ii) Shrubs
(iii) Trees
Getting to Know Plants
Q 2.
Name the part of the plant which produces its food. Name this process.
Q 3.
What is the relation between leaf venation and the type of roots?
Q 4.
What are herbs? Give two examples.
Q 5.
Name a plant that eats insect.
Q 6.
What is leaf venation?
Q 8.
Where does the photosynthesis take place in plants?
Q 9.
What are lateral roots?
Q 10.
What are petals? Why are they generally coloured?
Q 11.
Does the stem prepare food for any plant?
Q 12.
Pitcher plant has green leaves which can prepare food by photosynthesis then why does it eat insects?
Q 14.
Where does the photosynthesis take place in plants?
Q 15.
Name two plants that belong to herbs.
Q 16.
Name the process by which leaves can prepare their food.
Q 18.
What are shrubs? Give two examples.
Q 19.
Explain that sunlight is essential for photosynthesis.
Q 20.
What is the function of a stem in a plant?
Q 21.
Name the part of the plant which produces its food. Name this process.
Q 22.
Give two examples of shrubs.
Q 23.
What is transpiration?
Q 24.
What are the raw materials for photosynthesis?
Q 25.
Does the stem prepare food for any plant?
Q 26.
Classify plants and give an example of each.
Q 27.
Why are petals colourful?
Q 28.
What do you mean by a complete and incomplete flower?
Q 29.
How can one destarch the leaves of potted plant without plucking, them?
Q 30.
Which of the following leaves have reticulate venation?
Wheat, tulsi, maize, grass, coriander (dhania), china rose.
Q 31.
If a plant has fibrous root, what type of venation are its leaves likely to have?
Q 33.
Name a plant that has underground as well as aerial (above the ground) root system.
Q 34.
Why does white flowers bloom at night?
Q 35.
Leaves need oxygen and carbon-dioxide (for photosynthesis). How do they get these gases?
Q 36.
Is it possible for you to recognise the leaves without seeing them? How?
Q 37.
Are all the plants same in size?
Q 38.
Give names of two plants which have tap root.
Q 39.
What are trees? Give two examples.
Q 40.
If a plant has leaves with reticulate venation, what kind of roots will it have?
Q 41.
What are fibrous roots?
Q 42.
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 43.
How many kinds of plants are there?
Q 44.
Give two examples of trees.
Q 47.
Name the various parts of pistil.
Q 48.
What are unisexual and bisexual flowers?
Q 50.
Name various parts of stamen.
