Match items in Column I with those in Column II:
(A) | Peritrichous flagellation | (J) | Ginkgo |
(B) | Living fossil | (K) | Macrocystis |
(C) | Rhizophore | (L) | Escherichia coli |
(D) | Smallest flowering plant | (M) | Selaginella |
(E) | Largest Perennial alga | (N) | Wolffia |
Select the correct answer with the following
1. A –L ; B –J; C –M ; D – N ; E – K
2. A– K ; B – J; C – L ; D –M; E – N
3. A– J ; B – K; C – N ; D –L; E – K
4. A– N ; B – L; C – K ; D – N; E –J
Water is essential for Bryophyta:
1. | For fertilization and homosporous nature |
2. | Water should be filled in the archegonium for fertilization |
3. | Water is necessary for the movement of sperm |
4. | For the dissemination of spores |
A true statement for Ulothrix:
1. | Filamentous thallus and flagellated reproductive structures |
2. | Branched thallus |
3. | Flagellated cells absent |
4. | None of the above |
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 |
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 |
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 |
In ferns, Meiosis takes place at the time of:
1. Spore formation
2. Spore germination
3. Gamete formation
4. Antheridia and archegonia formation
Which of the following plants produces seeds but not flowers:
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