please say all question answer
Answers
Answer:
Explanation:
1. (i) Tracheids and vessels are the main water and mineral conducting elements.
(ii) xylem parenchyma stores food.
2. collenchyma tissue helps in bending of plants without breaking as it contains pectins and hemicellulose.
3. cartilaginous tissue is present on the bone surface at joints to prevent friction. as it smoothens the surface of bones.
4. skeletal muscles have alternate light and band patterns when viewed through microscope hence it is called straited muscle.
5. nervous tissue is found in the brain which consists of nerves and is the main impulse conducting for controlling the body of the organism.
6. two types of fibres are - elastic fibre and collagen fibre.
elastic fibres are made up of elastin protein. these fibres are branched and elastic.
collagen fibres are made u of collagen protein. these fibres are unbranched and inelastic.
7. meristematic tissue is found in root and shoot apex, apical part known as apical meristematic tissue and also axillary part known as axillary meristematic tissue.