Q17. What are the functions of the petals and sepals in flowers?
Q18. Why are leaves of few plants modified into tendrils? Give examples.
Q19. Why is it difficult to separate the sprouted young plants from the cotton wool?
Q20. What are trees? Give two examples of trees.
Q21. Explain through an activity that stems conduct water.
Q22. What are weeds? Why farmers remove them from their field?
Q23. What are the two types of leaf venation present in leaves? Write one example of each type of venation.
Q24. Differentiate between creepers and climbers.
Q25. What are the two types of root systems? Explain each of them with examples.
Q26. Differentiate between herbs and shrubs.