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

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

1. I, III and IV

2. II, III and IV

3. I, IV and V

4. II, III and V