Bryophytes

Q.

What are cryptogams? Why are they called so?

Q. First terrestrial plants to possess vascular tissues belongs to the division

1. Angiosperms
2. Gymnosperms
3. Pteridophytes
4. Bryophytes

Q.

The structures that help some bacteria to attach to rocks or host tissues are

1. Holdfast

2. Rhizoids

3. Fimbriae

4. Mesosomes

Q. Assertion (A): Bryophytes are also called amphibians of the plant kingdom.
Reason (R): They are dependent on water for sexual reproduction.

1. A and R are true and R is the correct explaination of A
2. A and R are true and R is not the correct explaination of A
3. A is true and R is false
4. A and R are false

Q. What is Archegonia?

Q. Non-vascular plants are found in
I. algae
II. bryophytes
III. pteridophytes
IV. gymnosperms
V. angiosperms

1. Only I and II
2. Only I and III
3. Only III, IV and V
4. Only IV and V

Q.

What is algae habitat?

Q. Gamete transfer in Chlamydomonas, Funaria and Adiantum is facilitated by:

1. Pollinating agent of Dandelion
2. Pollinating agent of Zostera
3. Pollinating agent of Salvia
4. Pollinating agent of sunflower

Q.

Seedless vascular plants are:

1. Liverworts

2. Mosses

3. Ferns

4. Cycads

Q. Which is commonly known as ‘Hornwort’?

1. Anthoceros
2. Sphagnum
3. Riccia
4. Marchantia

Q.

What is ookinete in the life cycle of Plasmodium In female Anopheles mosquitoes?

Q. Choose the correct statement from the following about bryophytes:

1. Gametophyte of bryophytes are diploid, independent and have sex organs
2. Sex organs are unicellular like algae
3. Sex organs arise on a stalk and are covered by a layer of sterile cells
4. Male and female sex organ is archegonium and antheridium, respectively

Q. Antherozoids are

1. asexual spores present in Rhodophyceae
2. male sex organ in bryophytes
3. male gametes in bryophytes
4. male gametophyte in mosses

Q.

Which of the following is responsible for peat formation?

1. Riccia

2. Sphagnum

3. Funaria

4. Marchantia

Q.

Fire algae belongs to group _________.

Q.

A plant shows thallus level; of organisation. It shows rhizoids and is haploid. It needs water to complete its life cycle because the male gametes are motile. Identify the group to whcih it belongs to

(a) pteridophytes (b) gymnosperms (c) monocots (d) bryophytes

Q.

What are the main differences between antheridia and archegonia?

Q.

What are the five types of basidiomycetes?

Q. The plant body of bryophyte

1. have true roots, leaves and stem
2. can be prostrate or erect
3. have root for anchorage
4. grows mostly in arid conditions
   

Q. The plant body is thalloid in

1. Salvinia
2. Sphagnum
3. Marchantia
4. Funaria

Q.

Choose the option with the correct statements with respect to bryophytes:

I. They play a major role in ecological succession.

II. They were the first land plants.

III. The tallest bryophyte is less than 1 m.

IV. Vascular tissues are present in them.

1. Only I, II and III
2. Only I and II
3. Only I
4. Only II and III

Q.

Match the followings (column I with column II)

	Column I		Column II
(a)	Chlamydomonas	(i)	Moss
(b)	Cycas	(ii)	Pteridophyte
(c)	Selaginella	(iii)	Algae
(d)	Sphagnum	(iv)	Gymnosperm

Q.

A parasitic sporophyte over gametophyte is found in

1. Liverworts

2. Ferns

3. Chlorella

4. Horsetails

Q.

What is an operculum in the life cycle of mosses?

Q.

Marchantia differs from Funaria in

1. spore dispersal

2. structure of rhizoids

3. marchantia and funaria are bryophytes, hence there are no differences

4. both a and b

Q.

The plant body in higher plants is well differentiated and well developed. Roots are the organs used for the purpose of absorption. What is the equivalent of roots in the less developed lower plants?

Q. S.R. Kashyap is famous for:

1. Bryology
2. Pteridology
3. Phycology
4. Mycology

Q.

What is somatic cell cloning based on?

Q. Botanical name of peat moss is

1. Sphagnum
2. Funaria
3. Anthoceros
4. Polytrichum

Q.

Write one main function of sunken stomata.