Viva Voce: Plant Kingdom | Lab Manuals for Class 9 PDF Download

Q.1. Name the amphibious plants.

They are called Bryophytes.

Q.2. What are fronds?

The leafy structures which contain sori are called fronds.

Q.3. What is Dryopteris commonly known as?

Fern

Q.4. Name the class of flowering plants.

They are all Angiosperms.

Q.5. Give two examples of thallophytic plants.

Spirogyra, Chara.

Q.6. What is the mode of nutrition of Agaricus.

Agaricus (Mushroom) – It shows saprophytic mode of nutrition.

Q.7. The plant body has vascular system, well differentiated body and leaves contain sori. Name the division of such plants.

Such plants are Pteridophytes (division).

Q.8. Give two examples of Bryophytas.

Moss, Riccia.

Q.9. Give one difference between Funaria and Dryopteris.

Funaria – Bryophytes –  It does not have vascular system. 

Dryopteris – Pteridophyte – It has a vascular system.

Q.10. A plant has vascular tissue, produces seeds, name its group.

Seed producing plants are Phanerogams.

Q.11. What is common in thallophytes?

They have thallus body, not differentiated into root, stems, leaves.

Q.12. What is the other name for Agaricusl

It is commonly known as mushroom.

Q.13. What is the sub-kingdom and division of Dryopteris?

The sub-kingdom is – Cryptogame Division: Pteridophyta.

Q.14. Give the economic importance of cone.

It is used for timber and resin.

Q.15. Who proposed the five kingdom classification?

Whittaker

Q.16. Name the structure that holds the nucleus in the centre of the cell.

Pyrenoid

Q.17. Why is Spirogyra named so?

Due to spiral shaped chloroplast, it is named as Spirogyra.

Q.18. The green patchy carpet plant that grows on moist wall, belongs to which division?

It is called Bryophyta.

Q.19. Give one difference between male cone and female cone.

Male cone is short lived, produces pollen grains in microsporangium.

Female cone is long lived and produces ovules in megasporangium.

Q.20. Give one difference between gymnosperms and angiosperms.

Gymnosperms bear naked seeds while angiosperms have seeds enclosed in fruits.