Plant group with the largest ovule, largest tree, and largest gametes:
 

1.	Gymnosperm	2.	Angiosperm
3.	Bryophyta	4.	Pteridophyta

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:

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:

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