Q. No.Which of the following plants produces seeds but not flowers:
1. Maize
2. Mint
3. Peepal
4. Pinus
1. Maize
2. Mint
3. Peepal
4. Pinus
A student observed algae with chlorophyll 'a', 'd', and phycoerythrin. It should belong to:
| 1. | Phaeophyta | 2. | Rhodophyta |
| 3. | Chlorophyta | 4. | Bacillariophyta |
Sexual reproduction in Spirogyra is an advanced feature because it shows:
1. Different sizes of motile sex organs
2. Same size of motile sex organs
3. Morphologically different sex organs
4. Physiologically differentiated sex organs
Which one of the following pairs of plants are not seed producers:
1. Fern and Funaria
2. Funaria and Ficus
3. Ficus and Chlamydomonas
4. Punica and Pinus
Cycas have two cotyledons but are not included in angiosperms because of:
1. Naked ovules
2. Seeds like monocot
3. Circinate ptyxis
4. Compound leaves
In ferns, Meiosis takes place at the time of:
1. Spore formation
2. Spore germination
3. Gamete formation
4. Antheridia and archegonia formation
The phenetic classification of organisms is based on:
| 1. | The ancestral lineage of existing organisms |
| 2. | Dendrogram based on DNA characteristics |
| 3. | Sexual characteristics |
| 4. | Observable characteristics of existing organisms |
Which of the following statement is true for bryophyta:
| 1. | Along with water absorption roots also provide anchorment to plants |
| 2. | Sporophyte is dominant |
| 3. | Gametophyte is dominant and sporophyte is mostly parasitic |
| 4. | Gametophyte is parasitic |
In oogamy, fertilization involves:
| 1. | A large non-motile female gamete and a small motile male gamete |
| 2. | A large non-motile female gamete and a small non-motile male gamete |
| 3. | A large motile female gamete and a small non-motile male gamete |
| 4. | A small non-motile female gamete and a large motile male gamete |
A true statement for Ulothrix:
| 1. | Filamentous thallus and flagellated reproductive structures |
| 2. | Branched thallus |
| 3. | Flagellated cells absent |
| 4. | None of the above |
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