CBSE (Science) Class 11CBSE
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NCERT solutions Biology Class 11 chapter 3 Plant Kingdom

Chapters

NCERT Biology Class 11

Biology Textbook for Class 11

Chapter 3 - Plant Kingdom

Pages 44 - 45

What is the basis of classification of algae?

Q 1 | Page 45

When and where does reduction division take place in the life cycle of a liverwort, a moss, a fern, a gymnosperm and an angiosperm?

Q 2 | Page 44

Name three groups of plants that bear archegonia. Briefly describe the life cycle of any one of them.

Q 3 | Page 44

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 fern; gemma cell in Marchantia; meristem cell of monocot, ovum of a liverwort, and zygote of a fern.

Q 4 | Page 44

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

Q 6 | Page 44

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

Q 7 | Page 44

Explain briefly the following term with suitable examples: protonema

Q 8.1 | Page 45

Explain briefly the following term with suitable examples: Antheridium

Q 8.2 | Page 45

Explain briefly the following term with suitable examples: archegonium

Q 8.3 | Page 45

Explain briefly the following term with suitable examples: diplontic

Q 8.4 | Page 45

Explain briefly the following term with suitable examples: Sporophyll

Q 8.5 | Page 45

Explain briefly the following term with suitable examples: Isogamy

Q 8.6 | Page 45

Differentiate between the following

Red algae and Brown algae

Q 9.1 | Page 45

Differentiate between the following

liverworts and moss

Q 9.2 | Page 45

Differentiate between the following:

Homosporous and heterosporous pteridophytes

Q 9.3 | Page 45

Differentiate between the following

syngamy and triple fusion

Q 9.4 | Page 45

How would you distinguish monocots from dicots?

Q 10 | Page 45

Match the following (column I with column II)

  Column I   Column II
a Chlamydomonas 1 Moss
b Cycas 2 Pteridophyte
c Selaginella 3 Algae
d Sphagnum 4 Gymnosperm
Q 11 | Page 45

Describe the important characteristics of gymnosperms.

Q 12 | Page 45

NCERT Biology Class 11

Biology Textbook for Class 11
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