Cycas has two cotyledons but is not included under angiosperms because it has
1. Circinate ptyxis
2. Compound leaves
3. Monocot like stem
4. Naked seeds
What is exclusive for angiosperms?
1. Vessels
2. Secondary growth
3. Double fertilisation
4. Autotrophic nature
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Chlorenchyma is known to develop in
1. Cytoplasm of Chlorella
2. Mycelium of a green mould like Aspergillus
3. Spore capsule of a moss
4. Pollen tube of Pinus
Sexual reproduction of Spirogyra is an advanced feature as it shows
1. Different sizes of motile sex organs
2. Same size of motile sex organs
3. Morphologically different sex organs
4. Physiologically different sex organs
Which amongst the following are not seed producers
1. Fern and Funaria
2. Funaria and Ficus
3. Ficus and Chlamydomonas
4. Punica and Pinus
Which one propagates through leaf tip
1. Marchantia
2. Moss
3. Walking Fern
4. Pinus.
Which one is living fossil
1. Pinus
2. Cycas
3. Selaginella
4. None of these
Angiosperms have dominated the land flora primarily because of their
1. Power of adaptability in diverse habitat
2. Nature of self pollination
3. Domestication by humans
4. Property of producing large number of seeds
Top-shaped multiciliate male gamete and seeds with two cotyledons occur in
1. Cycads
2. Conifers
3. Polypetalous angiosperms
4. Gamopetalous angiosperms
Ectophloic siphonostele occurs in
1. Marsilea and Botrychium
2. Dicksonia and Maidenhair Fern
3. Osmunda and Equisetum
4. Adiantum and Cucurbitaceae