Q. No.
Following diagram represents a class of algae.
Find out odd statement related to this class of algae.
| 1. | In protoplast a centrally located vacuole is present. |
| 2. | Body colour depends upon concentration of fucoxanthin. |
| 3. | Pyriform zoospore with laterally inserted unequal flagella. |
| 4. | Food is stored in form of simple carbohydrate. |
Along with Lichens which group of plant play important role when succession takes place on rock.
1. Algae
2. Bryophytes
3. Pteridophytes
4. Angiosperm
Study the diagram given below and mark the correct statement.
1. Part A is dependent on part B.
2. Part B is dependent on part A.
3. Both parts are independent
4. Part A is haploid whereas part B is diploid
Gemma is
1. Green unicellular, asexual bud
2. Green, multicellular, asexual bud
3. Both 1 and 2
4. Green, Filamentous, asexual bud.
Find out incorrect match.
|
Character |
Liverworts |
Mosses |
|
|
1 |
Rhizoids |
Unicellular |
Multicellular |
|
2 |
Zygote |
Immediate meiosis |
Meiosis delayed |
|
3 |
Fertilisation |
with the help of water |
with the help of water |
|
4 |
Dominant Stage |
Haploid |
Haploid |
Budding in mosses is mode of vegetative reproduction it takes place in?
1. Primary protonema
2. Secondary protonema
3. Both 1. and 2.
4. Leafy stage.
Although pteridophytes are first land vascular plant but its distribution is restricted to few geographical areas because?
| 1. | Restricted requirement for growth of gametophyte. |
| 2. | Need of H2O for fertilization |
| 3. | Dominant sporophytic phase |
| 4. | Both 1 and 2 |
Study the diagram given below and find out incorrect statement related to this
1. It has macrophylls
2. It is heterosporous
3. Its gametophyte is independent
4. It lacks vascular tissue
Which of the following feature in pteridophyte considered as an important step in evolution.
1. Presence of cone
2. Presence of two type of leaf
3. Heterospory
4. Seed habit
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