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Plant Kingdom

Question
CBSEENBI11003063
Wired Faculty App

Bacteria are considered plant because they

  • are green in colour

  • have rigid cell wall

  • have chlorophyll

  • have stomata

Solution

B.

have rigid cell wall

Presence of cell wall is the main characteristic of plants. Therefore, in bacteria, presence of rigid cell wall makes it to be a plant.

Other features such as, presence of stomata, cholorophyll and green colour does not indicate the group to be classified as plant. Eg. chlorophyll is absent in fungi, stomata is absent in algae.

Some More Questions From Plant Kingdom Chapter

Mention the ploidy of the following: protonemal cell of a moss; primary endosperm nucleus in dicot, leaf cell of a moss; prothallus cell of a ferm; gemma cell in Marchantia; meristem cell of monocot, ovum of a liverwort, and zygote of a fern.

Write a note on economic importance of algae and gymnosperms.

Both gymnosperms and angiosperms bear seeds, then why are they classified separately? 

What is heterospory? Briefly comment on its significance. Give two examples.

Explain briefly the following terms with suitable examples:
(i) protonema
(ii) antheridium
(iii) archegonium
(iv) diplontic
(v) sporophyll
(vi) isogamy

Differentiate between the following:
Red algae and brown algae

Differentiate between the following:
liverworts and moss

Differentiate between the following:
homosporous and heterosporous pteridophyte

Differentiate between the following:
syngamy and triple fusion

How would you distinguish monocots from dicots? 

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