Which statement is wrong for Cycas:
1. Xylem have vessels
2. Female flowers well developed
3. It has coralloid roots
4. Circinate ptyxis
Largest sperm is of:
1. Pinus
2. Cycas
3. Ephedra
4. Sequoia
Transfusion tissue is present in the leaves of:
1. Pinus
2. Dryopteris
3. Cycas
4. Both (1) and (3)
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
Which of the following plants produces seeds but not flowers:
1. Maize
2. Mint
3. Peepal
4. Pinus
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
Which one of the following is categorised under living fossils:
1. Pinus
2. Cycas
3. Selaginella
4. Metasequoia