Mannitol is a sugar alcohol. It is as stored food in:

1.  Fucus
2.  Gracillaria
3.  Chara
4.  Porphyra

Male and female gametophytes are independent and free-living in:
1. Mustard
2. Castor
3. Pinus
4. Sphagnum

Mannitol is the stored food in:
1. Chara
2. Porphyra
3. Fucus
4. Gracillaria

Phylogenetic system of classification is based on:

1. evolutionary relationships

2. morphological features

3. chemical constituents

4. floral characters

Which one of the following is considered important in the development of seed habit?

If you are asked to classify the various algae into distinct groups, which of the following characters you should choose?

Moss peat is used as a packing material for sending flowers and live plants to distant places because:

1. it is easily available

2. it is hygroscopic

3. it reduces transpiration

4. it serves as a disinfectant