Gymnosperms

Q.

Explain heterospory along with an example.

Q.

What is protonema with example?

Q.

The spores germinate to produce dioecious thalloid gametophyte in

1. Funaria

2. Riccia

3. Marchantia

4. Anthoceros

Q.

What type of a plant is bamboo?

1. Tree

2. Grass

3. Herb

4. Shrub

Q.

In gymnosperms, the seeds are naked because they lack_____

1. Integuments

2. Pericarp

3. Perianth

4. Nucellus

Q.

What are sporophylls?

Q.

Besides paddy fields, cyanobacteria are also found inside the vegetative part of?

1. Cycas

2. Psilotum

3. Pinus

4. Equisetum

Q.

Do gymnosperms have archegonia and antheridia?

Q.

The botanical name of ginger is Zingiber officinale.

1. True

2. False

Q. Which of the following is/are a dicotyledonous plant?

1. Lotus
2. Banyan
3. Gourd
4. All of the above

Q.

Is salvinia a gymnosperm?

Q. Examine the characters and classify the plant to it division:
1) Evergreen, perennial and woody
2) Leaves form a crown
3) Male and female cones on different sporophylls of the same plant

1. Thallophyta
2. Bryophyta
3. Gymnosperms
4. Angiosperms

Q. The roots of pinus have while the cycas trees have roots.

1. mycorrhiza
2. lichens
3. rhizoids
4. coralloid

Q.

Is a spruce tree a gymnosperm or angiosperm?

Q.

Botanical name if water hyacinth is

1. Azadirachta indica

2. Eichhornia crassipes

3. Tectona grandis

4. Ocimum tenuiflorum

Q.

1. True
2. False

Q.

What are cotyledons of seeds??

Q.

How do angiosperms conserve water?

Q. In gymnosperms, gymnos means and sperma means .

1. naked
2. enclosed
3. fruit
4. seeds

Q.

Heterospory is found in which plant?

Q.

Naked-seeded plants are called as?

Q. The giant Redwood tree (Sequoia sempervirens) is a / an _______________.

1. Gymnosperm
2. Angiosperm
3. Pteridophyte
4. Free fern

Q. Write the differences between gymnosperm and angiosperm.

[Review question: Pg. No: 203]

Q. State whether the following statements are true or false.
One can easily differentiate between a protonema of moss and a multicellular, filamentous green alga as the former does not contain chloroplast in the rhizoids and bears buds which give rise to erect, leafy gametophores.

1. True
2. False

Q. The correct sequence of plants in a hydrosere is

1. 
2. 
3. 
4. 

Q. Read the following five statements (A - E) and answer as asked next to them.
(A) In Equisetum the female gametophyte is retained on the parent sporophyte
(B) In Ginkgo male gametophyte is not independent
(C) The sporophyte in Riccia is more developed than that in Polytrichum
(D) Sexual reproduction in Volvox is isogamous
(E) The spores of slime molds lack cell walls
How many of the above statements are correct ?

1. Three
2. Four
3. One
4. Two

Q. Sago comes from

1. Calamus ritung
2. Metroxylon rumphii
3. Phoenix dactylifera
4. Areca catechu

Q. Liverworts have a non-gametophyte dominant lifecycle.

1. True
2. False

Q.

The gametophyteis not an independent, free living generation in

1. Pinus

2. Adiantum

3. Marchantia

4. Polytrichum

Q. Match items in Column I with those in Column II.

Column I	Column II
A. Peritrichous flagella	1. Ginkgo
B. Living fossil	2. Macrocystis
C. Rhizophore	3. E.coli
D. Smallest flowering plant	4. Selaginella
E. Largest perennial alga	5. Wolffia

1. A - 3, B - 1, C - 4, D - 5, E - 2
2. A - 4, B - 2, C - 1, D - 5, E - 3
3. A - 2, B - 3, C - 4, D - 1, E - 5
4. A - 2, B - 4, C - 3, D - 5, E - 1