Read the following five statements (I to V) and select the option with all correct statements. 

I:	Mosses and lichens are the first organisms to colonise bare rock.
II:	Selaginella is a homosporous pteridophyte.
III:	Coralloid roots in Cycas have VAM.
IV:	Main plant body in bryophytes is gametophytic, whereas in pteridophytes it is sporophytic.
V:	In gymnosperms, male and female gametophytes are present within sporangia located on sporophytes.

1.	I, III and IV	2.	II, III and IV
3.	I, IV and V	4.	II, III and V

Which one of the following statements is wrong?
1. Algin and carrageenan are products of algae
2. Agar-agar is obtained from Gelidium and Gracilaria
3. Chlorella and Spirulina are used as space food
4. Mannitol is stored food in Rhodophyceae

Male gametes are flagellated in:
1. Polysiphonia
2. Anabaena
3. Ectocarpus
4. Spirogyra

An alga which can be employed as food for human beings:

1. Ulothrix

2. Chlorella

3. Spirogyra

4. Polysiphonia

Read the following statements (A-E) and answer the question which follows them. 

How many of the above statements are correct?

1. Two 

2. Three

3. Four

4. One

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

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