Compared with the gametophytes of the bryophytes, the gametophytes of vascular plants tends to be:
1. larger but to have smaller sex organs
2. larger and to have large sex organs
3. smaller and to have smaller sex organs
4. smaller but to have larger sex organs

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

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

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 a vascular cryptogam?

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

Reduction in vascular tissue, mechanical tissue and cuticle is characteristic of:

1. xerophytes

2. mesophytes

3. epiphytes

4. hydrophyte