Exercise
NCERT Science Solutions for Exercise
Simple step-by-step solutions to Exercise questions of Tissues from Science Textbook of Competency Based Questions for Class IX. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from Exercise with Hints & Solutions
Apical meristem is a type of tissue that helps plants grow in length. Tina took two identical potted plants and cut the shoot tip of one of them. She observed if the two plants grew in height after a week.
What was Tina trying to find out about shoot tips through her experiment?
Apical meristem is a type of tissue that helps plants grow in length. Tina took two identical potted plants and cut the shoot tip of one of them. She observed if the two plants grew in height after a week.
Which of these conditions would have made Tina’s experiment invalid?
Why do cells of apical meristem lack vacuoles?
Stomata are minute openings found in the epidermis of plant leaves. Each stoma allows carbon dioxide, oxygen and water vapour to diffuse in and out of a plant’s internal tissues.
Each stoma is surrounded by a pair of elongated cells. What is this pair of cells known as?
Why do desert plants have smaller and fewer stomata as compared to rainforest plants? Explain your answer.
The pictures show the cross-sections of two chopped tree trunks.
Which layer in the cross-sections of both the trees is made of dead cells?
The pictures show the cross-sections of two chopped tree trunks.
Which question can be answered from the picture?
Which of these is correct about connective tissues?
