Question:
Classify plants and give an example of each.
Answer:
On the basis of various characteristics most of the plants can be classified into three categories:
(i) Herbs, e.g. tomato
(ii) Shrubs, e.g. lemon
(iii) Trees, e.g. mango
Getting to Know Plants
Q 1.
List few plants found around your house.
Q 2.
Name the female part of a flower. Write names of its parts and draw a diagram.
Q 3.
Write the names of the parts of a flower in sequence, from outside to inside.
Q 4.
Why do we see dew drops on leaves in the early morning?
Q 5.
What are trees? Give two examples.
Q 6.
Why does white flowers bloom at night?
Q 8.
Name the prominent parts of a flower.
Q 9.
What is the function of a stem in a plant?
Q 11.
What are sepals? What are their functions?
Q 12.
What is transpiration?
Q 13.
Name the part of plant which helps in holding the plant in the soil.
Q 15.
Name the process by which leaves can prepare their food.
Q 16.
Give names of two plants which have tap root.
Q 18.
Name the various parts of pistil.
Q 19.
What are shrubs? Give two examples.
Q 20.
Name a plant that eats insect.
Q 21.
In which part of a flower you are likely to find the ovary?
Q 22.
Give two examples of shrubs.
Q 23.
Give two examples of trees.
Q 24.
Which of the following leaves have reticulate venation?
Wheat, tulsi, maize, grass, coriander (dhania), china rose.
Q 26.
Why are petals colourful?
Q 27.
Explain that sunlight is essential for photosynthesis.
Q 28.
Name the part of the plant which produces its food. Name this process.
Q 29.
What is leaf venation?
Q 30.
How many types of leaf venation are there?
Q 31.
What are fibrous roots?
Q 32.
Does the stem prepare food for any plant?
Q 34.
Name a plant that has underground as well as aerial (above the ground) root system.
Q 35.
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 36.
Are all the plants same in size?
Q 37.
What are the major parts of plants?
Q 38.
What are the raw materials for photosynthesis?
Q 39.
What are tap roots?
Q 40.
Name two plants which have fibrous root.
Q 41.
Classify plants and give an example of each.
Q 42.
What are unisexual and bisexual flowers?
Q 43.
Leaves need oxygen and carbon-dioxide (for photosynthesis). How do they get these gases?
Q 44.
If a plant has fibrous root, what type of venation are its leaves likely to have?
Q 45.
Name the part of the plant which produces its food. Name this process.
Q 46.
Name two plants that belong to herbs.
Q 47.
Name various parts of stamen.
Q 49.
Name the male part of a flower. Write names of its parts and draw a diagram.
Q 50.
Explain an activity to test the presence of starch in a leaf.
