11science Biology Chapter 3

Chapter3

Kingdom Plantae

  Exercise 

1. Choose correct option

A. Which is the dominant phase in Pteridophytes?.....  Sporophyte

 a. Capsule

 b- Sporophyte

 c. Gametophyte

 d. Embryo

B. The tallest living gymnosperm among the following is.....Sequoia sempervirens

a_ Sequoia sempervirens

b. Taxodium  mucronatum

c. Zamia pygmaea 

d. Ginkgo biloba

C. In Bryophytes.........Sporophyte is partially dependent upon gametophyte. 

a. Sporophyte and gametophyte generation are independent

b. Sporophyte is partially dependent upon gametophyte

c. Gametophyte is dependent upon Sporophyte

d. Ginlgo biloba

D. A characteristic of Angiosperm is .........Double fertilization

a. Colloteral vascular bundles

b. Radial vascular bundles

c. Seed formation

d: Double fertilization

E. Angiosperms and Gymnosperms resemble in having........Vessels in wood

a. Vessels in wood

b. Mode of nutrition

c. Siphonogamy

d. Nature of see

2. Write the following table : 

. Groups of algae    Chlorophyceae

1. Stored food        -    Starch

2. Cell wall              -    Cellulose

3. Major pigments - Chl a and Chl b

      B. Phaeophyceae

1.Stored food  -Mannitol, laminarin and starch

2.Cell wall-Cellulose and algin

3. Major pigments-Chl a. Chl c, fucoxanthin

        C .Rhodophyceae

1.Stored food- Floridean starch

2.Cell wall-   Cellulose, pectin and other carbohydrates

3.Major pigments - Chl-a, d and Phycoerythrin