Select the wrong statement:

1.	Anisogametes differ either in structure, function or behaviour
2.	In Oomycetes, the female gamete is smaller and motile, while the male gamete is larger and non-motile
3.	Chlamydomonas exhibits both isogamy and anisogamy and Fucus shows oogamy
4.	Isogametes are similar in structure, function and behaviour

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

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

1. xerophytes

2. mesophytes

3. epiphytes

4. hydrophyte

Pinus seeds cannot germinate and establish without fungal association. This is because:

1. its seeds contain inhibitors that prevent germination.

2. its embryo is immature.

3. it has an obligate association with mycorrhizae.

4. it has a very hard seed coat.

From an evolutionary point of view, retention of the female gametophyte with developing young embryo on the parent sporophyte for some time, is first observed in:

Read the following statement carefully:

"Further development of zygote depends on the type of life cycle the organism has and the environment it is exposed to."

Identify the correctly matched pair with respect to the above statement

Development of the zygotes into young embryo takes within the female gametophytes in

1. Adiantum.

2. Selaginella.

3. Riccia.

4. Batrachospermum.