Answer:
The lines on the leaf are called veins.
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.
List few plants found around your house.
Q 4.
Why do we see dew drops on leaves in the early morning?
Q 5.
What are trees? Give two examples.
Q 7.
Why does white flowers bloom at night?
Q 8.
What is the function of a stem in a plant?
Q 9.
Give two examples of trees.
Q 11.
Name the process by which leaves can prepare their food.
Q 12.
Name the part of plant which helps in holding the plant in the soil.
Q 14.
Give names of two plants which have tap root.
Q 15.
Name the prominent parts of a flower.
Q 16.
Name the various parts of pistil.
Q 17.
Which of the following leaves have reticulate venation?
Wheat, tulsi, maize, grass, coriander (dhania), china rose.
Q 18.
In which part of a flower you are likely to find the ovary?
Q 20.
What are shrubs? Give two examples.
Q 21.
How many types of leaf venation are there?
Q 22.
What is transpiration?
Q 23.
Name a plant that eats insect.
Q 24.
Explain that sunlight is essential for photosynthesis.
Q 25.
What are the major parts of plants?
Q 26.
What are the raw materials for photosynthesis?
Q 27.
What are sepals? What are their functions?
Q 28.
What are petals? Why are they generally coloured?
Q 30.
Why are petals colourful?
Q 31.
What do you mean by a complete and incomplete flower?
Q 32.
Leaves need oxygen and carbon-dioxide (for photosynthesis). How do they get these gases?
Q 33.
What are herbs? Give two examples.
Q 34.
What are unisexual and bisexual flowers?
Q 35.
Name the part of the plant which produces its food. Name this process.
Q 36.
Name the part of the plant which produces its food. Name this process.
Q 37.
How many kinds of plants are there?
Q 38.
Does the stem prepare food for any plant?
Q 39.
Does the stem prepare food for any plant?
Q 41.
Explain the main functions of leaf.
Q 42.
Pitcher plant has green leaves which can prepare food by photosynthesis then why does it eat insects?
Q 43.
If a plant has fibrous root, what type of venation are its leaves likely to have?
Q 44.
What is leaf venation?
Q 45.
Where does the photosynthesis take place in plants?
Q 46.
Name the types of roots shown in the Fig. 7.7.
Q 47.
Name various parts of stamen.
Q 48.
Classify plants and give an example of each.
Q 49.
How can one destarch the leaves of potted plant without plucking, them?
Q 50.
Explain an activity to test the presence of starch in a leaf.
