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:

Which one pair of examples will correctly represent the grouping of Spermatophyta according to one of the schemes of classifying plants:

1. Acacia, Sugarcane

2. Pinus, Cycas

3. Rhizopus, Triticum

4. Ginkgo, Pisum

Plants reproducing by spores such as mosses and ferns are grouped under the general term:

1. Cryptogams

2. Bryophytes

3. Sporophytes

4. Thallophytes

Chlorenchyma found in:

1. Cytoplasm of Chlorella

2. Mycelium of a green mould such as Aspergillus

3. Spore capsule of a moss

4. Pollen tube of Pinus

Which one of the following is categorised under living fossils:

1. Pinus

2. Cycas

3. Selaginella

4. Metasequoia

Phenetic classification is based on:

1. The ancestral lineage of existing organisms

2. Observable characteristics of existing organisms

3. Dendrograms based on DNA characteristics

4. Sexual characteristics

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