Life Cycle of Gymnosperms

Q.

Sporophyte of Funaria consist of

1. Capsule only

2. Seta and capsule

3. Foot and capsule

4. Foot , seta and capsule

Q.

Gametophyte dependent on sporophyte is found in

1. Hibiscus

2. Polytrichum

3. Marchantia

4. Pteris

Q. The gametophyte generation in Cycas is found inside the

1. flowers
2. cones
3. cotyledons
4. embryo

Q. The sporophyte is a dominant phase in

1. all land plants
2. all spermatophytes only
3. all spermatophytes and pteridophytes
4. all vascular cryptogams only

Q.

Which is/are gametophytes in Pinus?

1. Male and female cones

2. Micro and megaspore

3. Zygote

4. Pinus and plant

Q.

Gametophyte dependent on sporophyte is found in

1. Hibiscus

2. Polytrichum

3. Marchantia

4. Pteris

Q.

With reference to different types of life cycles which of the following statements is correct?

1. In haplontic life cycle, meiosis takes place during zygote germination.

2. All seed - bearing plants follow haplo-diplontic type of life cycle.

3. In different life cycles, there is an alternation of generations between gamete producing sporophyte and spore producing gametophyte.

4. In diplontic life cycle, spores develop into sporophytes.

Q.

Which is/are gametophytes in Pinus?

1. Male and female cones

2. Micro and megaspore

3. Zygote

4. Pinus and plant