to Know Plants
Q1. True / False
All plants are of same size. False
Photosynthesis takes place in the absence
of light. False
Transpiration and Photosynthesis are the
main function of leaf. True
Roots hold the plant above the soil. False
Pistil is the female part of the flower. True
Q2. Fill in the blanks.
Major parts of plants are the stem, branches,
Plants can be classified into three
categories: herbs, shrubs and trees.
is the process by which leaves prepare food for the plant.
Two types of roots are tap root and fibrous
is the male part of the flower.
Q3. What are ovules?
Small bead like structures inside the ovary are called ovules.
Q4. Name two flowers with joined petals.
Datura and Bell shaped flower
Q5. Name two flowers with joined sepals.
China rose and Cotton
Q6. Name two flowers with separated sepals.
Rose and Jasmine
Q7. From where do potatoes get the starch?
Potatoes get the starch from other parts of the plant and store it.
Q8. How are leaves attached to the stem?
The leaves are attached to the stem by petiole.
Q9. Write 5 examples of edible roots.
carrot, radish, sweet potato, turnip and tapioca
Q10. The following picture shows two types of root. Write the
type of roots for the following figures.
Q11. How do plants exchange gases with the environment?
Exchange of gases takes place in the plants mainly through the tiny pores on
the surface of their leaves called stomata.
Q12. Do the flowers with joined sepals have petals that are
separate or are they joined together?
If the sepals of flowers are joined together, then its petals may or may not be
Q13. Do the flowers with joined petals have stamen joined to the
If the petals of flowers are joined together, then its stamen may or may not be
joined to the petal.
Q14. What type of roots the plants with parallel venation in the
leaves likely to have?
Plants with parallel venation in the leaves likely to have fibrous roots. For
example: grass, wheat, maize, etc. have fibrous roots with parallel
Q15. How stem is like a two way street?
Stem is like a two way street as it conducts water and minerals from the roots to
the leaves and transport food prepared by the leaves to the other part of the
Q16. Do all the leaves have petioles?
No, all the leaves do not have petioles. Some leaves have a petiole, which
attaches the leaf to the stem and some leaves that do not have petioles are
directly attached to the plant stem.