The endosperm of a gymnosperm develops _______ fertilization, whereas the endosperm of an angiosperm develops _________ fertilization.

(1) before, before

(2) after, after

(3) after, before

(4) before, after

The life cycle is not haplo-diplontic in:

1. Bryophytes

2. Pteridophytes

3. Polysiphonia

4. Fucus

Both bryophytes and pteridophytes:

1. are vascular cryptogams

2. have a dominant sporophyte

3. reproduce only sexually

4. are haplo-diplontic

The life cycle pattern shown in the given diagram is not seen in:

1. Chlamydomanas

2. Spirogyra

3. Volvox

4. Ectocarpus

Zygotic meiosis is characteristic of

(1) Marchantia

(2) Fucus

(3) Funaria

(4) Chlamydomonas

Life cycle of Ectocarpus and Fucus respectively are

(1) Haplontic, Diplontic

(2) Diplontic, Haplodiplontic

(3) Haplodiplontic, Diplontic

(4) Haplodiplontic, Haplontic

Meiosis takes place in

(1) Meiocyte

(2) Conidia

(3) Gemmule

(4) Megaspore

Which one of the following  has haplontic life cycle?

(1) Funaria

(2) Polytrichum

(3) Ustilago

(4) Wheat

In which of the following gametophyte is not independent free-living?

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