Chapter: Tissues Extra questions
- Name a plant tissue having dead cells.
- What minerals is the bone matrix rich in?
- Name the water conducting tissue generally present in gymnosperms.
- Presence of which chemical in cork cells makes them impervious to water and gases?
- Which tissue in plants provides them flexibility?
- Name the muscular tissue that functions throughout life without fatigue.
- In desert plants, how does the rate of loss of water get reduced?
- Which animal tissue helps in repair of tissue and fills the space inside the organ?
- What is a goblet cell?
- What is the name of bone cells?
- Which blood cells deal with immune reaction?
- Which cells are responsible for contraction and relaxation movements?
- Which cells are responsible for carrying messages?
- How are oxygen, food, hormone and waste material transported in the body?
- What is responsible for increase in girth of the stem or root?
- What is lignin?
- What is cutin?
- Which tissue forms a barrier to keep different body systems separate?
- What is the composition of the cartilage matrix?
- What are responsible for contraction and relaxation in muscles?
- Differentiate the following activities on the basis of voluntary (V) or involuntary (IV) muscles.
(a) Jumping of frog
(b) Pumping of the heart
(c) Writing with hand
(d) Movement of chocolate in your intestine [NCERT Exemplar] - What stimulates the movement of muscles?
- Give the name of the connective tissue lacking fibres.
- Water hyacinth floats on water surface. Explain. [NCERT Exemplar].
- Which structure protects the plant body against the invasion of parasites? [NCERT Exemplar]
- Why does an organism—plant or animal, require different types of cells in the body?
- If a potted plant is covered with a glass jar, water vapour appears on the wall of the glass jar. Why? [NCERT Exemplar]
- Why are voluntary muscles also called skeletal muscles?
Short Answer Questions-I
- What happens to the cells formed by meristematic tissue?
- Why is the epidermis present as a thick waxy coating of cutin in desert plants?
- Write a short note on ‘phellogen’.
- How are glandular epithelium formed?
- Describe the function of bones.
- How are messages conveyed from one place to another within the body?
- (a) What is the lining of blood vessels made up of?
(b) What is the lining of small intestine made up of?
(c) What is the lining of kidney tubules made up of?
(d) Where are the epithelial cells with cilia found?
Short Answer Questions-II
- Describe the structure and function of stomata.
- Why are xylem and phloem called complex tissues? How are they different from one other ? [NCERT Exemplar]
- Write a short note on xylem.
- Write a short note on phloem.
- Write a short note on blood.
- What are involuntary muscles? Where are they found?.
- Differentiate between voluntary and involuntary muscles. Give one example of each type. [NCERT Exemplar]
- Name the different components of xylem and draw a living component. [NCERT Exemplar]
Long Answer Questions
- Why are plants and animals made of different types of tissue?
- Differentiate between parenchyma and collenchyma.
- differentiate between collenchyma and sclerenchyma.
- What is a neuron? Write the structure and functions of a neuron.
- Differentiate between meristematic tissue and permanent tissue.
- Briefly describe striated and smooth muscles with their functions.
- Draw and identify different elements of phloem. [NCERT Exemplar]
- What is a permanent tissue? Classify permanent tissues and describe them.
- Describe the types of connective tissues along with their functions.
- Differentiate between sclerenchyma and parenchyma tissues. Draw well labelled diagram. [NCERT Exemplar]
- Describe the structure and function of different types of epithelial tissues. Draw the diagram for each type of epithelial tissue. [NCERT Exemplar]
- Give reasons:
(a) Meristematic cells have a prominent nucleus and dense cytoplasm but they lack vacuole.
(b) Intercellular spaces are absent in sclerenchymatous tissues.
(c) We get a crunchy and granular feeling when we chew pear fruit.
(d) Branches of a tree move and bend freely in high wind velocity.
(e) It is difficult to pull out the husk of a coconut tree. [NCERT Exemplar] - List the characteristics of cork. How are they formed? [NCERT Exemplar]
- Write a short note on epithelial tissue. Describe the functions of epithelium tissue.
(Higher Order Thinking Skills)
- A person met with an accident in which two long bones of the hand were dislocated. What could be the reason?
- If the tip of a sugarcane plant is removed from the field, even then it keeps on growing in length. Why?
- A nail is inserted in the trunk of a tree at a height of 1 metre from the ground level. After 3 years, where will the nail be present?
- The root tips of a plant were cut and the plant was replanted. What will happen to the plant and why?
- Tissue A and tissue B constitute tissue C. A carries water while B carries food for the plants. Identify A, B, C.