Question:
What are trees? Give two examples.
Answer:
The plants which are very tall and have hard and thick brown stem are called trees. The stems have branches in upper part and much above the ground. For example, mango, neem.
Getting to Know Plants
Q 1.
Name the female part of a flower. Write names of its parts and draw a diagram.
Q 2.
Write the names of the parts of a flower in sequence, from outside to inside.
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.
Name the process by which leaves can prepare their food.
Q 9.
What is the function of a stem in a plant?
Q 10.
Give names of two plants which have tap root.
Q 11.
Name the prominent parts of a flower.
Q 13.
Name the part of plant which helps in holding the plant in the soil.
Q 14.
What are shrubs? Give two examples.
Q 15.
Which of the following leaves have reticulate venation?
Wheat, tulsi, maize, grass, coriander (dhania), china rose.
Q 16.
Give two examples of trees.
Q 19.
In which part of a flower you are likely to find the ovary?
Q 20.
Name the various parts of pistil.
Q 21.
How many types of leaf venation are there?
Q 22.
What is transpiration?
Q 23.
Leaves need oxygen and carbon-dioxide (for photosynthesis). How do they get these gases?
Q 25.
Name a plant that eats insect.
Q 26.
Why are petals colourful?
Q 27.
What is the relation between leaf venation and the type of roots?
Q 28.
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 29.
How many kinds of plants are there?
Q 30.
Name two plants that belong to herbs.
Q 31.
Give two examples of shrubs.
Q 32.
What are sepals? What are their functions?
Q 33.
What do you mean by a complete and incomplete flower?
Q 34.
Explain that sunlight is essential for photosynthesis.
Q 35.
Name two flowers, each with joined and separates sepals.
Q 36.
What are the raw materials for photosynthesis?
Q 37.
What are lateral roots?
Q 38.
Are all the plants same in size?
Q 39.
What are the major parts of plants?
Q 40.
What is leaf venation?
Q 41.
What are tap roots?
Q 42.
Name two plants which have fibrous root.
Q 43.
What are petals? Why are they generally coloured?
Q 44.
What are herbs? Give two examples.
Q 45.
Explain the main functions of leaf.
Q 46.
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 47.
If a plant has fibrous root, what type of venation are its leaves likely to have?
Q 48.
Name the part of the plant which produces its food. Name this process.
Q 49.
Name the part of the plant which produces its food. Name this process.
Q 50.
Where does the photosynthesis take place in plants?
