Viva Voce: Plant and Animal Tissues | Lab Manuals for Class 9 PDF Download

Q.1. In what form do the signals travel in neuron?

In neuron, the signals travel from electrical impulse to chemical impulse and again into electrical impulse.

Q.2. Where is nerve cell found in our body?

In brain, spinal cord and nerves.

Q.3. What are the features of striated muscle fibre? Where do we find them in our body?

Striated muscle fibres has dark and light bands. These muscles are found attached to bones.

Q.4. Where can you find meristematic tissues in plants?

At the growing points i.e., tips of root, shoot and at lateral parts of the stem.

Q.5. Name the type of tissues present in husk of coconut.

Sclerenchymatous fibres.

Q.6. Name a tissue, which on maturity has dead cell.

epidermal tissue – e.g. cork cells.

Q.7. Name the muscles in animals that are multinucleated.

Striated muscles.

Q.8. Name the complex permanent tissues of plant.

Complex Permanent tissues of plant are—xylem and phloem.

Q.9. Name a fluid connective tissue.

Blood, lymph.

Q.10. Name the muscles attached to bones and helps in the movement.

Striated, skeletal muscles.

Q.11. Give one example of Parenchymatous tissues.

Chlorenchymatous present in leaves. Aerenchymatous present in leaves with floating capacity in hydrophytes.

Q.12. Give two examples of connective tissue.

Blood and bone.

Q.13. Name the muscles present in heart.

Cardiac muscles.

Q.14. Name the simple permanent tissues of plant.

Parenchyma, collenchyma and sclerenchyma.

Q.15. Define neuron.

Neuron is the nerve cell. It is structural and functional unit of nervous system.