Heterosporous pteridophyte includes both:

1. Lycopodium and Equisetum

2. Selaginella and Salvinia

3. Psilotum and Phylloglossum

4. Selaginella and Equisetum

Asexaul reproduction by pear shaped biflagellate zoospores is seen in most:

1. Green algae

2. Brown algae

3. Red algae

4. Both (2) and (3)

All the following pteridophytes belong to the Class Pteropsida except:

1. Dryopteris

2. Pteris

3. Selaginella

4. Adiantum

Sexual reproduction by non-flagellated but similar in size gametes is seen in:

1. Chlamydomonas

2. Volvox

3. Spirogyra

4. Fucus

In mosses, the sex organs are seen in:

1. Protonema stage

2. Leafy stage

3. Capsule of the sporophyte

4. Seta of the sporophyte

The features seen in the gymnosperm Cycas include:

I. Coralloid roots

II. Unbranched stems

III. Pinnate persistent leaves for a few years

IV. Male cones and megasporophyllys borne on same plant

1. I and II only

2. I and IV only

3. I, II and III only

4. I, II, III, and IV

The given diagram shows:

1. An alga that lacks flagellated cells

2. A liverwort

3. A heterosporous pteridophyte

4. A gymnosperm with non-motile sperms

Consider the following statements:

Gymnosperms-

I. Are plants in which the ovules remain exposed, both before and after fertilization.

II. Have male and female gametophytes that have independent free-living existence.

III. Are heterosporous.

Which of the above statements are true?

1. I and II only

2. I and III only

3. II and III only

4. I, II and III

Consider the following statements:

Which of the above statements are true?

1. I and II only

2. I and III only

3. II and III only

4. I, II and III

Consider the following statements:

Which of the above statements are true?

1. I and II only

2. I and III only

3. II and III only

4. I, II and III